[{"ref_id":"barney_1977_bdac","equation_id":"4b4063","equation_allometry":"exp(3.63+2.54*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Picea mariana","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Alaska, USA","original_coord":"64° 45', 148° 15'","lat":"65.75","long":"-148.25","elev_m":"167-470","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"51-55 yrs","stand_age_history":"Recent fires in 1977","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Typical lowland and upland stands dominated by black spruce","ecosystem_type":"Temperate forest","koppen":"Dfc","dbh_min_cm":"1.5","dbh_max_cm":"13","sample_size":"18","collection_year":"1973","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.91","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_equation_id":"Upland black spruce","original_data_availability":"NRA"},{"ref_id":"baskerville_1966_dmpi","equation_id":"e2c7c7","equation_allometry":"exp(0.15+2.48*log(dbh))","equation_form":"exp(a+b*(log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Picea glauca","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"New Brunswick, Canada","original_coord":"47°51' N, 68°20' W","lat":"47.9","long":"-68.3","elev_m":"500","mat_C":"2.2","min.temp_C":"NI","max.temp_C":"NI","map_mm":"1069","frost_free_period_days":"110","stand_age_range_yr":"35-48 yrs","stand_age_history":"Stand originated from advance growth released after spruce budworm outbreak (1913-1919) eliminated overmature balsam fir in the overstory","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"The Green River forest consists of balsam fir (Abies balsamea), black spruce (Picea mariana), white spruce (P. glauca), white paper birch (Betula papyrifera), and yellow birch (B. alleghaniensis) with balsam fir predominating.","ecosystem_type":"Boreal forest","koppen":"Dfb","dbh_min_cm":"2.54","dbh_max_cm":"25.4","sample_size":"13","collection_year":"1965","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_data_availability":"NRA"},{"ref_id":"bohn_2014_ocai","equation_id":"e42e41","equation_allometry":"exp((1.091*(log(dbh)-3.671))*(2*6.394+(log(dbh)-3.671))/(6.394+(log(dbh)-3.671)))","equation_form":"exp((a*(dbh-c))*(2*b+(dbh-c))/(b+(dbh-c)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Betula","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"Northern Germany","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate forest","koppen":"Dfb; Cfa","dbh_min_cm":"5","dbh_max_cm":"NRA","sample_size":"NRA","collection_year":"1971, 1995","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"metric_ton","output_units_CF":"1000","allometry_development_method":"harvest?","r_squared":"NI","other_equations_tested":"NRA","log_biomass":"1","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location. Five (5) cm minimum dbh is given here arbitrarily, given that calculations of biomass resulted in negative values below this threshold."},{"ref_id":"bohn_2014_ocai","equation_id":"2bc879","equation_allometry":"dbh/((1/1.711)+(dbh/51.488))","equation_form":"dbh((1/a)+(dbh/b))","dependent_variable":"Height","independent_variable":"DBH","equation_taxa":"Betula","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"Northern Germany","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate forest","koppen":"Dfb; Cfa","dbh_min_cm":"NRA","dbh_max_cm":"NRA","sample_size":"NRA","collection_year":"1971, 1995","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"m","output_units_CF":"1","allometry_development_method":"harvest?","r_squared":"NI","other_equations_tested":"NRA","log_biomass":"0","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location."},{"ref_id":"bohn_2014_ocai","equation_id":"9f138f","equation_allometry":"exp((1.202*(log(dbh)-3.475))*(2*5.727+(log(dbh)-3.475))/(5.727+(log(dbh)-3.475)))","equation_form":"exp((a*(dbh-c))*(2*b+(dbh-c))/(b+(dbh-c)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Fagus","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"Northern Germany","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate forest","koppen":"Dfb; Cfa","dbh_min_cm":"5","dbh_max_cm":"NRA","sample_size":"NRA","collection_year":"1971, 1995","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"metric_ton","output_units_CF":"1000","allometry_development_method":"harvest?","r_squared":"NI","other_equations_tested":"NRA","log_biomass":"1","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location. Five (5) cm minimum dbh is given here arbitrarily, given that calculations of biomass resulted in negative values below this threshold."},{"ref_id":"bohn_2014_ocai","equation_id":"7a3dce","equation_allometry":"dbh/((1/1.919)+(dbh/61.036))","equation_form":"dbh((1/a)+(dbh/b))","dependent_variable":"Height","independent_variable":"DBH","equation_taxa":"Fagus","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"Northern Germany","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate forest","koppen":"Dfb; Cfa","dbh_min_cm":"NRA","dbh_max_cm":"NRA","sample_size":"NRA","collection_year":"1971, 1995","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"m","output_units_CF":"1","allometry_development_method":"harvest?","r_squared":"NI","other_equations_tested":"NRA","log_biomass":"0","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location."},{"ref_id":"bohn_2014_ocai","equation_id":"9e3b6a","equation_allometry":"exp((1.192*(log(dbh)-3.534))*(2*5.957+(log(dbh)-3.534))/(5.957+(log(dbh)-3.534)))","equation_form":"exp((a*(dbh-c))*(2*b+(dbh-c))/(b+(dbh-c)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Fraxinus","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"Northern Germany","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate forest","koppen":"Dfb; Cfa","dbh_min_cm":"5","dbh_max_cm":"NRA","sample_size":"NRA","collection_year":"1971, 1995","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"metric_ton","output_units_CF":"1000","allometry_development_method":"harvest?","r_squared":"NI","other_equations_tested":"NRA","log_biomass":"1","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location. Five (5) cm minimum dbh is given here arbitrarily, given that calculations of biomass resulted in negative values below this threshold."},{"ref_id":"bohn_2014_ocai","equation_id":"d02bd0","equation_allometry":"dbh/((1/1.976)+(dbh/52.925))","equation_form":"dbh((1/a)+(dbh/b))","dependent_variable":"Height","independent_variable":"DBH","equation_taxa":"Fraxinus","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"Northern Germany","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate forest","koppen":"Dfb; Cfa","dbh_min_cm":"NRA","dbh_max_cm":"NRA","sample_size":"NRA","collection_year":"1971, 1995","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"m","output_units_CF":"1","allometry_development_method":"harvest?","r_squared":"NI","other_equations_tested":"NRA","log_biomass":"0","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location."},{"ref_id":"bohn_2014_ocai","equation_id":"e57b77","equation_allometry":"exp((1.029*(log(dbh)-3.717))*(2*3.204+(log(dbh)-3.717))/(3.204+(log(dbh)-3.717)))","equation_form":"exp((a*(dbh-c))*(2*b+(dbh-c))/(b+(dbh-c)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Picea","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"Northern Germany","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate forest","koppen":"Dfb; Cfa","dbh_min_cm":"5","dbh_max_cm":"NRA","sample_size":"NRA","collection_year":"1971, 1995","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"metric_ton","output_units_CF":"1000","allometry_development_method":"harvest?","r_squared":"NI","other_equations_tested":"NRA","log_biomass":"1","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location. Five (5) cm minimum dbh is given here arbitrarily, given that calculations of biomass resulted in negative values below this threshold."},{"ref_id":"bohn_2014_ocai","equation_id":"0a236c","equation_allometry":"dbh/((1/1.326)+(dbh/101.33))","equation_form":"dbh((1/a)+(dbh/b))","dependent_variable":"Height","independent_variable":"DBH","equation_taxa":"Picea","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"Northern Germany","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate forest","koppen":"Dfb; Cfa","dbh_min_cm":"NRA","dbh_max_cm":"NRA","sample_size":"NRA","collection_year":"1971, 1995","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"m","output_units_CF":"1","allometry_development_method":"harvest?","r_squared":"NI","other_equations_tested":"NRA","log_biomass":"0","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location."},{"ref_id":"bohn_2014_ocai","equation_id":"307ec5","equation_allometry":"exp((1.185*(log(dbh)-3.676))*(2*5.657+(log(dbh)-3.676))/(5.657+(log(dbh)-3.676)))","equation_form":"exp((a*(dbh-c))*(2*b+(dbh-c))/(b+(dbh-c)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Pinus","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"Northern Germany","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate forest","koppen":"Dfb; Cfa","dbh_min_cm":"5","dbh_max_cm":"NRA","sample_size":"NRA","collection_year":"1971, 1995","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"metric_ton","output_units_CF":"1000","allometry_development_method":"harvest?","r_squared":"NI","other_equations_tested":"NRA","log_biomass":"1","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location. Five (5) cm minimum dbh is given here arbitrarily, given that calculations of biomass resulted in negative values below this threshold."},{"ref_id":"bohn_2014_ocai","equation_id":"b4a502","equation_allometry":"dbh/((1/1.259)+(dbh/75.762))","equation_form":"dbh((1/a)+(dbh/b))","dependent_variable":"Height","independent_variable":"DBH","equation_taxa":"Pinus","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"Northern Germany","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate forest","koppen":"Dfb; Cfa","dbh_min_cm":"NRA","dbh_max_cm":"NRA","sample_size":"NRA","collection_year":"1971, 1995","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"m","output_units_CF":"1","allometry_development_method":"harvest?","r_squared":"NI","other_equations_tested":"NRA","log_biomass":"0","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location."},{"ref_id":"bohn_2014_ocai","equation_id":"786b7c","equation_allometry":"exp((1.266*(log(dbh)-3.809))*(2*5.636+(log(dbh)-3.809))/(5.636+(log(dbh)-3.809)))","equation_form":"exp((a*(dbh-c))*(2*b+(dbh-c))/(b+(dbh-c)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Populus","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"Northern Germany","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate forest","koppen":"Dfb; Cfa","dbh_min_cm":"5","dbh_max_cm":"NRA","sample_size":"NRA","collection_year":"1971, 1995","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"metric_ton","output_units_CF":"1000","allometry_development_method":"harvest?","r_squared":"NI","other_equations_tested":"NRA","log_biomass":"1","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location. Five (5) cm minimum dbh is given here arbitrarily, given that calculations of biomass resulted in negative values below this threshold."},{"ref_id":"bohn_2014_ocai","equation_id":"4c72f7","equation_allometry":"dbh/((1/1.286)+(dbh/62.651))","equation_form":"dbh((1/a)+(dbh/b))","dependent_variable":"Height","independent_variable":"DBH","equation_taxa":"Populus","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"Northern Germany","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate forest","koppen":"Dfb; Cfa","dbh_min_cm":"NRA","dbh_max_cm":"NRA","sample_size":"NRA","collection_year":"1971, 1995","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"m","output_units_CF":"1","allometry_development_method":"harvest?","r_squared":"NI","other_equations_tested":"NRA","log_biomass":"0","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location."},{"ref_id":"bohn_2014_ocai","equation_id":"6a7382","equation_allometry":"exp((1.151*(log(dbh)-3.586))*(2*5.187+(log(dbh)-3.586))/(5.187+(log(dbh)-3.586)))","equation_form":"exp((a*(dbh-c))*(2*b+(dbh-c))/(b+(dbh-c)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Quercus","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"Northern Germany","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate forest","koppen":"Dfb; Cfa","dbh_min_cm":"5","dbh_max_cm":"NRA","sample_size":"NRA","collection_year":"1971, 1995","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"metric_ton","output_units_CF":"1000","allometry_development_method":"harvest?","r_squared":"NI","other_equations_tested":"NRA","log_biomass":"1","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location. Five (5) cm minimum dbh is given here arbitrarily, given that calculations of biomass resulted in negative values below this threshold."},{"ref_id":"bohn_2014_ocai","equation_id":"f96447","equation_allometry":"dbh/((1/1.879)+(dbh/45.341))","equation_form":"dbh((1/a)+(dbh/b))","dependent_variable":"Height","independent_variable":"DBH","equation_taxa":"Quercus","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"Northern Germany","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate forest","koppen":"Dfb; Cfa","dbh_min_cm":"NRA","dbh_max_cm":"NRA","sample_size":"NRA","collection_year":"1971, 1995","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"m","output_units_CF":"1","allometry_development_method":"harvest?","r_squared":"NI","other_equations_tested":"NRA","log_biomass":"0","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location."},{"ref_id":"bohn_2014_ocai","equation_id":"191ec9","equation_allometry":"dbh/((1/1.400)+(dbh/45.315))","equation_form":"dbh((1/a)+(dbh/b))","dependent_variable":"Height","independent_variable":"DBH","equation_taxa":"Robinia","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"Northern Germany","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate forest","koppen":"Dfb; Cfa","dbh_min_cm":"NRA","dbh_max_cm":"NRA","sample_size":"NRA","collection_year":"1971, 1995","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"m","output_units_CF":"1","allometry_development_method":"harvest?","r_squared":"NI","other_equations_tested":"NRA","log_biomass":"0","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location."},{"ref_id":"bond-lamberty_2002_aabb","equation_id":"726f1d","equation_allometry":"10^(2.648+0.715*(log10(dbh)))","equation_form":"10^(a+b*(log10(dbh)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Larix laricina","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Manitoba, Canada","original_coord":"55°53'N, 98°20'W","lat":"55.9","long":"-98.3","elev_m":"281","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"4-130 yrs","stand_age_history":"Stands of various ages recovering from fire (stand-killing wildfires)","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Vegetation varied with stand age and soil drainage. The oldest stands were dominated by a black spruce overstory. Medium-aged stands had large numbers of black spruce saplings often dominated by jack pine or aspen in drier sites and tamarack or birch in wetter ones. At the youngest stands trees were present only as seedlings and small saplings. Bog birch, paper birch, and various willow species were often present.","ecosystem_type":"Boreal forest","koppen":"Dfc","dbh_min_cm":"0.2","dbh_max_cm":"2","sample_size":"7","collection_year":"1994, 1999, 2000","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","r_squared":"0.875","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"1.027","notes_fitting_model":"A logarithmic transformation was used to correct for heterogeneous variation of the independent diameter variable, and a correction factor was computed for all equations to correct for the systematic bias","original_data_availability":"NRA"},{"ref_id":"bond-lamberty_2002_aabb","equation_id":"390a5a","equation_allometry":"10^(2.481+1.19*(log10(dbh)))","equation_form":"10^(a+b*(log10(dbh)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Salix","allometry_specificity":"Genus","equation_categ":"genus_spec","geographic_area":"Manitoba, Canada","original_coord":"55°53'N, 98°20'W","lat":"55.9","long":"-98.3","elev_m":"281","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"4-130 yrs","stand_age_history":"Stands of various ages recovering from fire (stand-killing wildfires)","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Vegetation varied with stand age and soil drainage. The oldest stands were dominated by a black spruce overstory. Medium-aged stands had large numbers of black spruce saplings often dominated by jack pine or aspen in drier sites and tamarack or birch in wetter ones. At the youngest stands trees were present only as seedlings and small saplings. Bog birch, paper birch, and various willow species were often present.","ecosystem_type":"Boreal forest","koppen":"Dfc","dbh_min_cm":"0.3","dbh_max_cm":"1","sample_size":"10","collection_year":"1994, 1999, 2000","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","r_squared":"0.54","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"1.121","notes_fitting_model":"A logarithmic transformation was used to correct for heterogeneous variation of the independent diameter variable, and a correction factor was computed for all equations to correct for the systematic bias","original_data_availability":"NRA"},{"ref_id":"bridge_1979_fpom","equation_id":"23ec05","equation_allometry":"exp(-0.34052+2.65803*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Quercus velutina","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Rhode Island, USA","original_coord":"41°27'51\" N, 71°35'11\" W","lat":"41.5","long":"-71.6","elev_m":"36","mat_C":"9.4","min.temp_C":"NI","max.temp_C":"NI","map_mm":"1124","frost_free_period_days":"NI","stand_age_range_yr":"50 yrs","stand_age_history":"Stands affected by widespread occurrence of wild fires and repeated clear-cuttings","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mixed hardwoods (Acer rubrum, mixed oaks)","ecosystem_type":"Temperate forest","koppen":"Cfb","dbh_min_cm":"7.62","dbh_max_cm":"30.48","sample_size":"26","collection_year":"1978","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-log transformed","r_squared":"0.88","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","notes_fitting_model":"Linear regressions for species were tested for differences in slope and level according to Freese (1967). Differences were found to be not significant, and data were combined to produce a single regression applicable to all species.","original_data_availability":"NRA"},{"ref_id":"brown_1976_esbf","equation_id":"7ee8d6","equation_allometry":"exp(4.081+2.202*(0.36738 + 0.94932*log(dbh)))","equation_form":"exp(a+b*log(dba))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Juniperus communis","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Rocky Mountains, USA","original_coord":"NI","lat":"47.1","long":"-114.7","elev_m":"1561","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Pine forest","ecosystem_type":"Temperate mountain","koppen":"Dfb","dbh_min_cm":"0.8","dbh_max_cm":"2.9","sample_size":"23","collection_year":"1976","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"multiple","r_squared":"0.92","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_data_availability":"NRA","equation_notes":"Basal diameter calculated from DBH using the equation: ln(dba) = 0.36738 + 0.94932 × ln(dbh) as Lutz et al, 2021"},{"ref_id":"brown_1978_wado","equation_id":"6b7404","equation_allometry":"exp(1.0152+1.6839*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Crown (branches, foliage, twigs)","independent_variable":"DBH","equation_taxa":"Abies grandis","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Rocky Mountains, USA","original_coord":"NI","lat":"47.1","long":"-114.7","elev_m":"1561","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Pine forest","ecosystem_type":"Temperate mountain","koppen":"Dfb","dbh_min_cm":"2.54","dbh_max_cm":"30.48","sample_size":"15","collection_year":"1976","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"multiple","r_squared":"0.94","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"GF","original_data_availability":"Yes"},{"ref_id":"brown_1978_wado","equation_id":"cab5a8","equation_allometry":"0.62+0.8024*(dbh^2)+0.1724*(dbh^3)","equation_form":"a+(b*dbh)+c*(dbh^2)+d*(dbh^3)","dependent_variable":"Stem biomass (with bark)","independent_variable":"DBH","equation_taxa":"Abies grandis","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Rocky Mountains, USA","original_coord":"NI","lat":"47.1","long":"-114.7","elev_m":"1561","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Pine forest","ecosystem_type":"Temperate mountain","koppen":"Dfb","dbh_min_cm":"2.54","dbh_max_cm":"10.16","sample_size":"12","collection_year":"1976","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"multiple","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","original_equation_id":"GF","original_data_availability":"Yes","equation_notes":"See Table 5 in original publication"},{"ref_id":"brown_1978_wado","equation_id":"f3debe","equation_allometry":"exp(1.0152+1.6839*log(dbh))+0.62+0.8024*(dbh^2)+0.1724*(dbh^3)","equation_form":"exp(a+b*log(dbh)) + a+b*(dbh^d)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Abies grandis","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Rocky Mountains, USA","original_coord":"NI","lat":"47.1","long":"-114.7","elev_m":"1561","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Pine forest","ecosystem_type":"Temperate mountain","koppen":"Dfb","dbh_min_cm":"2.54","dbh_max_cm":"30.48","sample_size":"12","collection_year":"1976","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"multiple","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"GF","original_data_availability":"Yes","equation_notes":"This equation is not in original pub, we combined plant parts here to obtain AGB."},{"ref_id":"brown_1978_wado","equation_id":"0f3781","equation_allometry":"(0.52+1.441*(dbh^2))+(-1+0.06117*(dbh^2))+(0.8371*(dbh^2))","equation_form":"a+b*(dbh^2)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Pinus albicaulis","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Rocky Mountains, USA","original_coord":"NI","lat":"47.1","long":"-114.7","elev_m":"1561","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Pine forest","ecosystem_type":"Temperate mountain","koppen":"Dfb","dbh_min_cm":"2.54","dbh_max_cm":"27.94","sample_size":"31","collection_year":"1976","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"multiple","r_squared":"0.9","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","original_equation_id":"WBP","original_data_availability":"Yes","equation_notes":"This equation is not in original pub, we combined plant parts here to obtain AGB."},{"ref_id":"brown_1978_wado","equation_id":"0bdd5e","equation_allometry":"exp(-0.4282+2.1772*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Crown (branches, foliage, twigs)","independent_variable":"DBH","equation_taxa":"Pinus ponderosa","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Rocky Mountains, USA","original_coord":"NI","lat":"47.1","long":"-114.7","elev_m":"1561","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Pine forest","ecosystem_type":"Temperate mountain","koppen":"Dfb","dbh_min_cm":"2.54","dbh_max_cm":"30.48","sample_size":"15","collection_year":"1976","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"multiple","r_squared":"0.95","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"PP","original_data_availability":"Yes"},{"ref_id":"brown_1978_wado","equation_id":"6d2167","equation_allometry":"1.08+0.9361*(dbh^2)","equation_form":"a+b*(dbh^2)","dependent_variable":"Stem biomass (with bark)","independent_variable":"DBH","equation_taxa":"Pinus ponderosa","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Rocky Mountains, USA","original_coord":"NI","lat":"47.1","long":"-114.7","elev_m":"1561","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Pine forest","ecosystem_type":"Temperate mountain","koppen":"Dfb","dbh_min_cm":"2.54","dbh_max_cm":"10.14","sample_size":"12","collection_year":"1976","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"multiple","r_squared":"0.96","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","original_equation_id":"PP","original_data_availability":"Yes","equation_notes":"See Table 5 in original publication"},{"ref_id":"brown_1978_wado","equation_id":"4c5c39","equation_allometry":"exp(-0.4282+2.1772*log(dbh))+1.08+0.9361*(dbh^2)","equation_form":"exp(a+b*log(dbh)) + a+b*(dbh^d)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Pinus ponderosa","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Rocky Mountains, USA","original_coord":"NI","lat":"47.1","long":"-114.7","elev_m":"1561","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Pine forest","ecosystem_type":"Temperate mountain","koppen":"Dfb","dbh_min_cm":"2.54","dbh_max_cm":"30.48","sample_size":"15","collection_year":"1976","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"multiple","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"PP","original_data_availability":"NRA","equation_notes":"This equation is not in original pub, we combined plant parts here to obtain AGB."},{"ref_id":"chapman_1991_apac","equation_id":"a4e4d1","equation_allometry":"exp(-2.192-0.011*dbh+2.67*(log(dbh)))","equation_form":"exp(a+b*dbh+c*(log(dbh)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Acer saccharum","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Wisconsin, USA","original_coord":"NI","lat":"43.7","long":"-90.57","elev_m":"375","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"-8","max.temp_C":"22","map_mm":"814","frost_free_period_days":"NI","climate_notes":"The area has a humid, continental climate","stand_age_range_yr":"45-85 yrs","stand_age_history":"Unmanaged, naturally regenerated ridgetop forests","stand_basal_area_m2_ha":"17-41","stand_trees_ha":"741-1363","forest_description":"Mature forest supporting maple-boxwood complex","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"2.8","dbh_max_cm":"69.5","sample_size":"18","collection_year":"1989","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"1.05","original_equation_id":"Northern red oak","original_data_availability":"NRA"},{"ref_id":"chapman_1991_apac","equation_id":"82e78c","equation_allometry":"exp(-2.972-0.017*dbh+2.873*(log(dbh)))","equation_form":"exp(a+b*dbh+c*(log(dbh)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Quercus rubra","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Wisconsin, USA","original_coord":"NI","lat":"43.7","long":"-90.57","elev_m":"375","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"-8","max.temp_C":"22","map_mm":"814","frost_free_period_days":"NI","climate_notes":"The area has a humid, continental climate","stand_age_range_yr":"45-85 yrs","stand_age_history":"Unmanaged, naturally regenerated ridgetop forests","stand_basal_area_m2_ha":"17-41","stand_trees_ha":"741-1363","forest_description":"Mature forest supporting maple-boxwood complex","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"2.8","dbh_max_cm":"69.5","sample_size":"16","collection_year":"1989","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"1.05","original_equation_id":"Northern red oak","original_data_availability":"NRA"},{"ref_id":"chojnacky_1984_vabf","equation_id":"998abf","equation_allometry":"0.0104*(dbh^2.7105)","equation_form":"a*(dbh^b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Cercocarpus ledifolius","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Nevada, USA","original_coord":"NI","lat":"39.2","long":"-114.9","elev_m":"2190","geography_notes":"Lat and long randomly marked west of Ely, Nevada. Sampling location: Egan and Schell Mountains.","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"NI","ecosystem_type":"Temperate forest","koppen":"BSk","dbh_min_cm":"5","dbh_max_cm":"55.8","sample_size":"52","collection_year":"1984","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"simple linear","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"0","original_data_availability":"NRA"},{"ref_id":"chojnacky_1993_cwvt","equation_id":"ecef00","equation_allometry":"exp(-0.86896+1.652882*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Juniperus osteosperma","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Nevada, USA","original_coord":"NI","lat":"39.1","long":"-116.6","elev_m":"2068","geography_notes":"Lat and long coarsely estimated as the center plot from 19 sampled locations.","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"91-147 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"NI","ecosystem_type":"Temperate forest","koppen":"BSk","dbh_min_cm":"3","dbh_max_cm":"112","sample_size":"105","collection_year":"1981","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.88","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_data_availability":"NRA","equation_notes":"Use Juniperus osteosperma allometry as proxy for big trees in Utah"},{"ref_id":"chojnacky_2014_ugbe","equation_id":"4872ed","equation_allometry":"exp(-2.3123+2.3482*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Abies","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"69","sample_size":"131","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-log transformed","r_squared":"0.75","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Abies < 0.35 spg","original_data_availability":"NRA","equation_notes":"Use this equation if Abies spp. specific wood gravity is < 0.35. Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"74dd65","equation_allometry":"exp(-3.1774+2.6426*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Abies","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"236","sample_size":"221","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.75","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Abies >= 0.35 spg","original_data_availability":"NRA","equation_notes":"Use this equation if Abies spp. specific wood gravity is > or = 0.35. Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"5caff8","equation_allometry":"exp(-2.5932+2.5349*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Betulaceae","allometry_specificity":"Family","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"64","sample_size":"46","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.81","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Betulaceae <0.40 spg","original_data_availability":"NRA","equation_notes":"Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"d09c77","equation_allometry":"exp(-2.2271+2.4513*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Betulaceae","allometry_specificity":"Family","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"51","sample_size":"145","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.81","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Betulaceae 0.40-0.49 spg","original_data_availability":"NRA","equation_notes":"Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"476d9a","equation_allometry":"exp(-1.8096+2.348*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Betulaceae","allometry_specificity":"Family","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"70","sample_size":"134","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.81","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Betulaceae 0.50-0.59 spg","original_data_availability":"NRA","equation_notes":"Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"e64b74","equation_allometry":"exp(-2.2652+2.5349*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Betulaceae","allometry_specificity":"Family","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"47","sample_size":"55","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.81","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Betulaceae >=0.60 spg","original_data_availability":"NRA","equation_notes":"Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"f08fff","equation_allometry":"exp(-2.2118+2.4133*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Cornaceae/Ericaceae/Lauraceae/Platanaceae/Rosaceae/Ulmaceae","allometry_specificity":"Family","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"64","sample_size":"231","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.79","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Cornaceae/Ericaceae/Lauraceae/Platanaceae/Rosaceae/Ulmaceae","original_data_availability":"NRA","equation_notes":"Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"b040b4","equation_allometry":"exp(-1.9615+2.1063*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Cupressaceae","allometry_specificity":"Family","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"66","sample_size":"48","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.76","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Cupressaceae <0.3 spg","original_data_availability":"NRA","equation_notes":"Use this equation if Cupressaceae specific wood gravity is less than 0.3. Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"c8f882","equation_allometry":"exp(-2.6327+2.4757*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Cupressaceae","allometry_specificity":"Family","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"109","sample_size":"55","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"76","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Cupressaceae >=0.40 spg","original_data_availability":"NRA","equation_notes":"Use this equation if Cupressaceae specific wood gravity is >=0.4. Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"2ee3ae","equation_allometry":"exp(-2.7765+2.4195*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Cupressaceae","allometry_specificity":"Family","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"614","sample_size":"164","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.76","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Cupressaceae 0.3-0.39 spg","original_data_availability":"NRA","equation_notes":"Use this equation if Cupressaceae specific wood gravity is between 0.30-039. Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"56aacf","equation_allometry":"exp(-2.7096+2.1942*log(dbh+3.033/0.9823))","equation_form":"exp(a+b*log(drc))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Cupressaceae","allometry_specificity":"Family","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"4","dbh_max_cm":"87","sample_size":"57","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.91","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Cupressaceae (woodland)","original_data_availability":"NRA","equation_notes":"Woodland species. Using Chojnacky & Rogers, 1999 equation to convert dbh to drc [dcr=dbh+3.033/0.9823]. Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"1c1ac8","equation_allometry":"exp(-2.5095+2.6175*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Fabaceae/Juglandaceae","allometry_specificity":"Family","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"70","sample_size":"106","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.81","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Fabaceae/ Juglandaceae, Carya","original_data_availability":"NRA","equation_notes":"Use this equation for Fabaceae and Juglandaceae in North America (Juglans spp., Carya spp.). Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"7f7777","equation_allometry":"exp(-2.5095+2.5437*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Fabaceae/Juglandaceae","allometry_specificity":"Family","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"4","dbh_max_cm":"42","sample_size":"14","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.81","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Fabaceae/ Juglandaceae, other","original_data_availability":"NRA","equation_notes":"Use this equation for Fabaceae and Juglandaceae in North America. Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"14a1a7","equation_allometry":"exp(-2.9255+2.4109*log(dbh+3.033/0.9823))","equation_form":"exp(a+b*log(drc))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Fabaceae/Rosaceae","allometry_specificity":"Family","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"60","sample_size":"41","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.89","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Fabaceae/Rosaceae (woodland). Mean specific wood gravity= 0.80","original_data_availability":"NRA","equation_notes":"Woodland species. Using Chojnacky & Rogers, 1999 equation to convert dbh to drc [dcr=dbh+3.033/0.9823]. Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"5edb7f","equation_allometry":"exp(-2.0705+2.441*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Fagaceae","allometry_specificity":"Family","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"89","sample_size":"606","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.84","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Fagaceae deciduous","original_data_availability":"NRA","equation_notes":"Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"acbfa4","equation_allometry":"exp(-2.2198+2.441*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Fagaceae","allometry_specificity":"Family","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"66","sample_size":"54","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.84","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Fagaceae evergreen","original_data_availability":"NRA","equation_notes":"Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"17a2c9","equation_allometry":"exp(-3.0304+2.4982*log(dbh+3.033/0.9823))","equation_form":"exp(a+b*log(drc))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Fagaceae","allometry_specificity":"Family","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"74","sample_size":"36","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.84","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Fagaceae (woodland)","original_data_availability":"NRA","equation_notes":"Woodland species. Using Chojnacky & Rogers, 1999 equation to convert dbh to drc [dcr=dbh+3.033/0.9823]. Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"6daeb7","equation_allometry":"exp(-2.6390+2.5466*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Hamamelidaceae","allometry_specificity":"Family","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"53","sample_size":"44","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.79","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_data_availability":"NRA","equation_notes":"Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"c86d1d","equation_allometry":"exp(-2.4108+2.4177*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Hippocastanaceae/Tiliaceae","allometry_specificity":"Family","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"56","sample_size":"77","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.83","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Hippocastanaceae, Tiliaceae","original_data_availability":"NRA","equation_notes":"Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"1aad71","equation_allometry":"exp(-2.3012+2.3853*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Larix","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"98","sample_size":"84","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.85","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Larix","original_data_availability":"NRA","equation_notes":"Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"7af3ba","equation_allometry":"exp(-2.5497+2.5011*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Magnoliaceae","allometry_specificity":"Family","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"65","sample_size":"114","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.83","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_data_availability":"NRA","equation_notes":"Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"4979fe","equation_allometry":"exp(-2.0314+2.3524*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Oleaceae","allometry_specificity":"Family","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"43","sample_size":"54","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.84","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Oleaceae <0.55 spg","original_data_availability":"NRA","equation_notes":"Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"81dc34","equation_allometry":"exp(-1.8384+2.3524*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Oleaceae","allometry_specificity":"Family","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"55","sample_size":"49","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.84","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Oleaceae >=0.55 spg","original_data_availability":"NRA","equation_notes":"Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"57488c","equation_allometry":"exp(-3.03+2.5567*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Picea","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"283","sample_size":"128","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.81","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Picea <0.35 spg","original_data_availability":"NRA","equation_notes":"Use this equation if Picea spp. specific wood gravity is <0.3. Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"df928f","equation_allometry":"exp(-2.1364+2.3233*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Picea","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"72","sample_size":"289","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.81","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Picea >=0.35 spg","original_data_availability":"NRA","equation_notes":"Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"babd81","equation_allometry":"exp(-3.2007+2.5339*log(dbh+3.033/0.9823))","equation_form":"exp(a+b*log(drc))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Pinaceae","allometry_specificity":"Family","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"75","sample_size":"45","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.86","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Pinaceae (woodland). Mean specific wood gravity= 0.51","original_data_availability":"NRA","equation_notes":"Woodland species. Using Chojnacky & Rogers, 1999 equation to convert dbh to drc [dcr=dbh+3.033/0.9823]. Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"15b165","equation_allometry":"exp(-2.6177+2.4638*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Pinus","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"180","sample_size":"561","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.83","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Pinus <0.45 spg","original_data_availability":"NRA","equation_notes":"Use this equation if Pinus spp. specific wood gravity is <0.45. Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"90c207","equation_allometry":"exp(-3.0506+2.6465*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Pinus","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"56","sample_size":"162","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.83","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Pinus >=0.45 spg","original_data_availability":"NRA","equation_notes":"Use this equation if Pinus spp. specific wood gravity is > or =0.45. Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"3376f0","equation_allometry":"exp(-2.4623+2.4852*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Pseudotsuga","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"215","sample_size":"253","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.86","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Pseudotsuga","original_data_availability":"NRA","equation_notes":"Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"829bad","equation_allometry":"exp(-2.4441+2.4561*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Salicaceae","allometry_specificity":"Family","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"70","sample_size":"299","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.81","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Salicaceae >=0.35 spg","original_data_availability":"NRA","equation_notes":"Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"048a87","equation_allometry":"exp(-2.6863+2.4561*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Salicaceae","allometry_specificity":"Family","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"3","dbh_max_cm":"53","sample_size":"64","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.81","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Salicaceae <0.35 spg","original_data_availability":"NRA","equation_notes":"Sample size corresponds to 'pseudodata', see page 130 in original publication."},{"ref_id":"chojnacky_2014_ugbe","equation_id":"d6be5c","equation_allometry":"exp(-2.047+2.3852*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Sapindaceae","allometry_specificity":"Family","equation_categ":"generic","geographic_area":"North 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To adjust for bias, a correction factor was computed and applied to each model by using Baskerville's (1972) procedure.","original_equation_id":"Yellow poplar","original_data_availability":"Yes"},{"ref_id":"clark_1986b_wvap","equation_id":"152071","equation_allometry":"1.65215*(dbh^2)^1.27254","equation_form":"a*(dbh^2)^b","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Liriodendron tulipifera","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Southern Appalachian Mountains (USA)","original_coord":"NI","lat":"35.3","long":"-83.7","elev_m":"1230","geography_notes":"Coordinates estimated as center point between 2 sampled national forest.","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"50-76 yrs","stand_age_history":"Uneven-aged hardwood stands","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Old growth forest","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"27.94","dbh_max_cm":"65.02","sample_size":"38","collection_year":"1985","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"linear","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","notes_fitting_model":"Regression equations were developed to predict green and dry weight and volume of wood and bark combined or wood alone. A logarithmic transformation (base 10) was used to obtain a relatively homogeneous variance. The procedure outlined in Draper and Smith (1981) for fitting two linear equations with a known point of intersection was used. To adjust for bias, a correction factor was computed and applied to each model by using Baskerville's (1972) procedure.","original_equation_id":"Yellow poplar","original_data_availability":"Yes"},{"ref_id":"clark_1986b_wvap","equation_id":"380d95","equation_allometry":"1.5416*(dbh^2)^1.2759","equation_form":"a*(dbh^2)^b","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Nyssa sylvatica","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Southern Appalachian Mountains (USA)","original_coord":"NI","lat":"35.3","long":"-83.7","elev_m":"1230","geography_notes":"Coordinates estimated as center point between 2 sampled national forest.","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"72-198 yrs","stand_age_history":"Uneven-aged hardwood stands","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Old growth forest","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"14.48","dbh_max_cm":"27.8","sample_size":"9","collection_year":"1985","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"linear","r_squared":"0.97","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","notes_fitting_model":"Regression equations were developed to predict green and dry weight and volume of wood and bark combined or wood alone. A logarithmic transformation (base 10) was used to obtain a relatively homogeneous variance. The procedure outlined in Draper and Smith (1981) for fitting two linear equations with a known point of intersection was used. To adjust for bias, a correction factor was computed and applied to each model by using Baskerville's (1972) procedure.","original_equation_id":"Blackgum","original_data_availability":"Yes"},{"ref_id":"clark_1986b_wvap","equation_id":"23ab74","equation_allometry":"2.01627*(dbh^2)^1.21993","equation_form":"a*(dbh^2)^b","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Nyssa sylvatica","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Southern Appalachian Mountains (USA)","original_coord":"NI","lat":"35.3","long":"-83.7","elev_m":"1230","geography_notes":"Coordinates estimated as center point between 2 sampled national forest.","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"80-146 yrs","stand_age_history":"Uneven-aged hardwood stands","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Old growth forest","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"30.48","dbh_max_cm":"45.212","sample_size":"9","collection_year":"1985","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"linear","r_squared":"0.97","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","notes_fitting_model":"Regression equations were developed to predict green and dry weight and volume of wood and bark combined or wood alone. A logarithmic transformation (base 10) was used to obtain a relatively homogeneous variance. The procedure outlined in Draper and Smith (1981) for fitting two linear equations with a known point of intersection was used. To adjust for bias, a correction factor was computed and applied to each model by using Baskerville's (1972) procedure.","original_equation_id":"Blackgum","original_data_availability":"Yes"},{"ref_id":"clark_1986b_wvap","equation_id":"97063d","equation_allometry":"1.73738*(dbh^2)^1.33404","equation_form":"a*(dbh^2)^b","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Quercus alba","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Southern Appalachian Mountains (USA)","original_coord":"NI","lat":"35.3","long":"-83.7","elev_m":"1230","geography_notes":"Coordinates estimated as center point between 2 sampled national forest.","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"54-86 yrs","stand_age_history":"Uneven-aged hardwood stands","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Old growth forest","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"12.95","dbh_max_cm":"26.16","sample_size":"9","collection_year":"1985","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"linear","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","notes_fitting_model":"Regression equations were developed to predict green and dry weight and volume of wood and bark combined or wood alone. A logarithmic transformation (base 10) was used to obtain a relatively homogeneous variance. The procedure outlined in Draper and Smith (1981) for fitting two linear equations with a known point of intersection was used. To adjust for bias, a correction factor was computed and applied to each model by using Baskerville's (1972) procedure.","original_equation_id":"White oak","original_data_availability":"Yes"},{"ref_id":"clark_1986b_wvap","equation_id":"16dd45","equation_allometry":"1.69511*(dbh^2)^1.33917","equation_form":"a*(dbh^2)^b","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Quercus alba","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Southern Appalachian Mountains (USA)","original_coord":"NI","lat":"35.3","long":"-83.7","elev_m":"1230","geography_notes":"Coordinates estimated as center point between 2 sampled national forest.","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"62-130 yrs","stand_age_history":"Uneven-aged hardwood stands","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Old growth forest","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"29.46","dbh_max_cm":"55.12","sample_size":"19","collection_year":"1985","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"linear","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","notes_fitting_model":"Regression equations were developed to predict green and dry weight and volume of wood and bark combined or wood alone. A logarithmic transformation (base 10) was used to obtain a relatively homogeneous variance. The procedure outlined in Draper and Smith (1981) for fitting two linear equations with a known point of intersection was used. To adjust for bias, a correction factor was computed and applied to each model by using Baskerville's (1972) procedure.","original_equation_id":"White oak","original_data_availability":"Yes"},{"ref_id":"clark_1986b_wvap","equation_id":"625324","equation_allometry":"1.62952*(dbh^2)^1.34103","equation_form":"a*(dbh^2)^b","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Quercus coccinea","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Southern Appalachian Mountains (USA)","original_coord":"NI","lat":"35.3","long":"-83.7","elev_m":"1230","geography_notes":"Coordinates estimated as center point between 2 sampled national forest.","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"47-81 yrs","stand_age_history":"Uneven-aged hardwood stands","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Old growth forest","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"14.48","dbh_max_cm":"25.91","sample_size":"9","collection_year":"1985","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"linear","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","notes_fitting_model":"Regression equations were developed to predict green and dry weight and volume of wood and bark combined or wood alone. A logarithmic transformation (base 10) was used to obtain a relatively homogeneous variance. The procedure outlined in Draper and Smith (1981) for fitting two linear equations with a known point of intersection was used. To adjust for bias, a correction factor was computed and applied to each model by using Baskerville's (1972) procedure.","original_equation_id":"Scarlet oak","original_data_availability":"Yes"},{"ref_id":"clark_1986b_wvap","equation_id":"b0670d","equation_allometry":"2.94915*(dbh^2)^1.21733","equation_form":"a*(dbh^2)^b","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Quercus coccinea","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Southern Appalachian Mountains (USA)","original_coord":"NI","lat":"35.3","long":"-83.7","elev_m":"1230","geography_notes":"Coordinates estimated as center point between 2 sampled national forest.","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"52-124 yrs","stand_age_history":"Uneven-aged hardwood stands","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Old growth forest","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"29.72","dbh_max_cm":"56.39","sample_size":"18","collection_year":"1985","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"linear","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","notes_fitting_model":"Regression equations were developed to predict green and dry weight and volume of wood and bark combined or wood alone. A logarithmic transformation (base 10) was used to obtain a relatively homogeneous variance. The procedure outlined in Draper and Smith (1981) for fitting two linear equations with a known point of intersection was used. To adjust for bias, a correction factor was computed and applied to each model by using Baskerville's (1972) procedure.","original_equation_id":"Scarlet oak","original_data_availability":"Yes"},{"ref_id":"clark_1986b_wvap","equation_id":"28edea","equation_allometry":"0.86674*(dbh^2)^1.47585","equation_form":"a*(dbh^2)^b","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Quercus prinus","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Southern Appalachian Mountains (USA)","original_coord":"NI","lat":"35.3","long":"-83.7","elev_m":"1230","geography_notes":"Coordinates estimated as center point between 2 sampled national forest.","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"46-107 yrs","stand_age_history":"Uneven-aged hardwood stands","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Old growth forest","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"14.22","dbh_max_cm":"27.69","sample_size":"18","collection_year":"1985","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"linear","r_squared":"0.98","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","notes_fitting_model":"Regression equations were developed to predict green and dry weight and volume of wood and bark combined or wood alone. A logarithmic transformation (base 10) was used to obtain a relatively homogeneous variance. The procedure outlined in Draper and Smith (1981) for fitting two linear equations with a known point of intersection was used. To adjust for bias, a correction factor was computed and applied to each model by using Baskerville's (1972) procedure.","original_equation_id":"Chestnut oak","original_data_availability":"Yes"},{"ref_id":"clark_1986b_wvap","equation_id":"eebab4","equation_allometry":"3.40602*(dbh^2)^1.19049","equation_form":"a*(dbh^2)^b","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Quercus prinus","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Southern Appalachian Mountains (USA)","original_coord":"NI","lat":"35.3","long":"-83.7","elev_m":"1230","geography_notes":"Coordinates estimated as center point between 2 sampled national forest.","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"68-151 yrs","stand_age_history":"Uneven-aged hardwood stands","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Old growth forest","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"29.21","dbh_max_cm":"56.64","sample_size":"32","collection_year":"1985","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"linear","r_squared":"0.98","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","notes_fitting_model":"Regression equations were developed to predict green and dry weight and volume of wood and bark combined or wood alone. A logarithmic transformation (base 10) was used to obtain a relatively homogeneous variance. The procedure outlined in Draper and Smith (1981) for fitting two linear equations with a known point of intersection was used. To adjust for bias, a correction factor was computed and applied to each model by using Baskerville's (1972) procedure.","original_equation_id":"Chestnut oak","original_data_availability":"Yes"},{"ref_id":"clark_1986b_wvap","equation_id":"89a283","equation_allometry":"3.06739*(dbh^2)^1.22338","equation_form":"a*(dbh^2)^b","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Quercus rubra","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Southern Appalachian Mountains (USA)","original_coord":"NI","lat":"35.3","long":"-83.7","elev_m":"1230","geography_notes":"Coordinates estimated as center point between 2 sampled national forest.","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"35-55 yrs","stand_age_history":"Uneven-aged hardwood stands","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Old growth forest","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"14.99","dbh_max_cm":"27.69","sample_size":"33","collection_year":"1985","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"linear","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","notes_fitting_model":"Regression equations were developed to predict green and dry weight and volume of wood and bark combined or wood alone. A logarithmic transformation (base 10) was used to obtain a relatively homogeneous variance. The procedure outlined in Draper and Smith (1981) for fitting two linear equations with a known point of intersection was used. To adjust for bias, a correction factor was computed and applied to each model by using Baskerville's (1972) procedure.","original_equation_id":"Northern red oak","original_data_availability":"Yes"},{"ref_id":"clark_1986b_wvap","equation_id":"61500f","equation_allometry":"3.28071*(dbh^2)^1.20936","equation_form":"a*(dbh^2)^b","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Quercus rubra","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Southern Appalachian Mountains (USA)","original_coord":"NI","lat":"35.3","long":"-83.7","elev_m":"1230","geography_notes":"Coordinates estimated as center point between 2 sampled national forest.","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"50-114 yrs","stand_age_history":"Uneven-aged hardwood stands","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Old growth forest","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"28.19","dbh_max_cm":"62.74","sample_size":"38","collection_year":"1985","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"linear","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","notes_fitting_model":"Regression equations were developed to predict green and dry weight and volume of wood and bark combined or wood alone. A logarithmic transformation (base 10) was used to obtain a relatively homogeneous variance. The procedure outlined in Draper and Smith (1981) for fitting two linear equations with a known point of intersection was used. To adjust for bias, a correction factor was computed and applied to each model by using Baskerville's (1972) procedure.","original_equation_id":"Northern red oak","original_data_availability":"Yes"},{"ref_id":"clark_1986b_wvap","equation_id":"0cb0ce","equation_allometry":"1.2927*(dbh^2)^1.36723","equation_form":"a*(dbh^2)^b","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Quercus velutina","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Southern Appalachian Mountains (USA)","original_coord":"NI","lat":"35.3","long":"-83.7","elev_m":"1230","geography_notes":"Coordinates estimated as center point between 2 sampled national forest.","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"41-109 yrs","stand_age_history":"Uneven-aged hardwood stands","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Old growth forest","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"15.75","dbh_max_cm":"26.67","sample_size":"9","collection_year":"1985","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"linear","r_squared":"0.98","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","notes_fitting_model":"Regression equations were developed to predict green and dry weight and volume of wood and bark combined or wood alone. A logarithmic transformation (base 10) was used to obtain a relatively homogeneous variance. The procedure outlined in Draper and Smith (1981) for fitting two linear equations with a known point of intersection was used. To adjust for bias, a correction factor was computed and applied to each model by using Baskerville's (1972) procedure.","original_equation_id":"Black oak","original_data_availability":"Yes"},{"ref_id":"clark_1986b_wvap","equation_id":"aa1cf3","equation_allometry":"2.5465*(dbh^2)^1.22586","equation_form":"a*(dbh^2)^b","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Quercus velutina","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Southern Appalachian Mountains (USA)","original_coord":"NI","lat":"35.3","long":"-83.7","elev_m":"1230","geography_notes":"Coordinates estimated as center point between 2 sampled national forest.","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"68-170 yrs","stand_age_history":"Uneven-aged hardwood stands","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Old growth forest","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"29.97","dbh_max_cm":"55.37","sample_size":"18","collection_year":"1985","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"linear","r_squared":"0.98","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","notes_fitting_model":"Regression equations were developed to predict green and dry weight and volume of wood and bark combined or wood alone. A logarithmic transformation (base 10) was used to obtain a relatively homogeneous variance. The procedure outlined in Draper and Smith (1981) for fitting two linear equations with a known point of intersection was used. To adjust for bias, a correction factor was computed and applied to each model by using Baskerville's (1972) procedure.","original_equation_id":"Black oak","original_data_availability":"Yes"},{"ref_id":"clark_1986b_wvap","equation_id":"333c34","equation_allometry":"4.13741*(dbh^2)^1.08876","equation_form":"a*(dbh^2)^b","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Robinia pseudoacacia","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Southern Appalachian Mountains (USA)","original_coord":"NI","lat":"35.3","long":"-83.7","elev_m":"1230","geography_notes":"Coordinates estimated as center point between 2 sampled national forest.","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"19-39 yrs","stand_age_history":"Uneven-aged hardwood stands","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Old growth forest","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"14.22","dbh_max_cm":"25.91","sample_size":"9","collection_year":"1985","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"linear","r_squared":"0.94","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","notes_fitting_model":"Regression equations were developed to predict green and dry weight and volume of wood and bark combined or wood alone. A logarithmic transformation (base 10) was used to obtain a relatively homogeneous variance. The procedure outlined in Draper and Smith (1981) for fitting two linear equations with a known point of intersection was used. To adjust for bias, a correction factor was computed and applied to each model by using Baskerville's (1972) procedure.","original_equation_id":"Black Locust","original_data_availability":"Yes"},{"ref_id":"clark_1986b_wvap","equation_id":"e9d686","equation_allometry":"1.04649*(dbh^2)^1.37539","equation_form":"a*(dbh^2)^b","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Robinia pseudoacacia","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Southern Appalachian Mountains (USA)","original_coord":"NI","lat":"35.3","long":"-83.7","elev_m":"1230","geography_notes":"Coordinates estimated as center point between 2 sampled national forest.","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"45-79 yrs","stand_age_history":"Uneven-aged hardwood stands","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Old growth forest","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"29.46","dbh_max_cm":"41.66","sample_size":"9","collection_year":"1985","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"linear","r_squared":"0.94","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","notes_fitting_model":"Regression equations were developed to predict green and dry weight and volume of wood and bark combined or wood alone. A logarithmic transformation (base 10) was used to obtain a relatively homogeneous variance. The procedure outlined in Draper and Smith (1981) for fitting two linear equations with a known point of intersection was used. To adjust for bias, a correction factor was computed and applied to each model by using Baskerville's (1972) procedure.","original_equation_id":"Black Locust","original_data_availability":"Yes"},{"ref_id":"clark_1986b_wvap","equation_id":"3f99ba","equation_allometry":"1.94274*(dbh^2)^1.21008","equation_form":"a*(dbh^2)^b","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Tilia americana","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Southern Appalachian Mountains (USA)","original_coord":"NI","lat":"35.3","long":"-83.7","elev_m":"1230","geography_notes":"Coordinates estimated as center point between 2 sampled national forest.","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"46-75 yrs","stand_age_history":"Uneven-aged hardwood stands","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Old growth forest","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"14.22","dbh_max_cm":"26.67","sample_size":"9","collection_year":"1985","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"linear","r_squared":"0.98","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","notes_fitting_model":"Regression equations were developed to predict green and dry weight and volume of wood and bark combined or wood alone. A logarithmic transformation (base 10) was used to obtain a relatively homogeneous variance. The procedure outlined in Draper and Smith (1981) for fitting two linear equations with a known point of intersection was used. To adjust for bias, a correction factor was computed and applied to each model by using Baskerville's (1972) procedure.","original_equation_id":"Basswood","original_data_availability":"Yes"},{"ref_id":"clark_1986b_wvap","equation_id":"bebe2e","equation_allometry":"1.476*(dbh^2)^1.26737","equation_form":"a*(dbh^2)^b","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Tilia americana","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Southern Appalachian Mountains (USA)","original_coord":"NI","lat":"35.3","long":"-83.7","elev_m":"1230","geography_notes":"Coordinates estimated as center point between 2 sampled national forest.","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"52-100 yrs","stand_age_history":"Uneven-aged hardwood stands","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Old growth forest","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"29.97","dbh_max_cm":"41.91","sample_size":"9","collection_year":"1985","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"linear","r_squared":"0.98","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","notes_fitting_model":"Regression equations were developed to predict green and dry weight and volume of wood and bark combined or wood alone. A logarithmic transformation (base 10) was used to obtain a relatively homogeneous variance. The procedure outlined in Draper and Smith (1981) for fitting two linear equations with a known point of intersection was used. To adjust for bias, a correction factor was computed and applied to each model by using Baskerville's (1972) procedure.","original_equation_id":"Basswood","original_data_availability":"Yes"},{"ref_id":"coltrin_2010_bqol","equation_id":"8470d2","equation_allometry":"exp(-2.1001+2.3996*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Umbellularia californica","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"California, USA","original_coord":"40°46'49'' to 40°45'56'' N, 123°52'21'' to 123°51'32'' W","lat":"40.8","long":"-123.9","elev_m":"140-430","geography_notes":"Using northern and western coordinates from geographical range.","mat_C":"18.5","min.temp_C":"NI","max.temp_C":"NI","map_mm":"1200","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"Historically, old-growth Douglas-fir [Pseudotsuga menziesii] existing throughout the property, then logged since the early 1950.","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Pure Douglas-fir, pure hardwoods, and mixed stands of Douglas-fir and hardwoods. Some areas in the southeast portion of the property, still contain old-growth tanoak, bay-laurel and Douglas-fir.","ecosystem_type":"Temperate forest","koppen":"Csb","dbh_min_cm":"7.6","dbh_max_cm":"61","sample_size":"14","collection_year":"2010","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-log transformed","r_squared":"0.975","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"0.2497","original_data_availability":"NRA"},{"ref_id":"conti_2019_damt","equation_id":"bafb0b","equation_allometry":"exp(-2.869+2.584*log(1.488+1.195*dbh))","equation_form":"exp(a+b*log(dba))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Shrubs (Angiosperms)","allometry_specificity":"Woody species","equation_categ":"generic","geographic_area":"Global","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NI","max.temp_C":"NI","map_mm":"1000","frost_free_period_days":"NRA","stand_age_range_yr":"NI","stand_age_history":"Variable through different sites","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Tropical to temperate, xeric shrubland, savannas, mediterranean forest.","koppen":"Aw; BSh; BSk; BWh; BWk; Cfa; Cfb; Csa; Csb; Csc; Cwa; Cwb; Dsa; Dwa; Dwb","dbh_min_cm":"0.5","dbh_max_cm":"41.74","sample_size":"3246","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-log transformed","r_squared":"0.888","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Model 3","original_data_availability":"Yes","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl). Dbh ranges actually correspond to dba ranges in original publication."},{"ref_id":"fenn_2014_tcco","equation_id":"f49bcb","equation_allometry":"exp(-5.644074+(2.5189*(log(pi*dbh))))","equation_form":"exp(a+(b*(log(pi*dbh))))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Acer pseudoplatanus","allometry_specificity":"Species","equation_categ":"sp_site_spec","geographic_area":"Wytham Woods, Oxfordshire, UK","original_coord":"51°46' N, 1°19' W","lat":"51.8","long":"-1.3","elev_m":"62","mat_C":"10","min.temp_C":"NI","max.temp_C":"NI","map_mm":"714","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"Managed by timber removal but undisturbed since the last 40 yrs","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"Ancient semi-natural woodland meaning site has a continuous forest cover through recorded history since approximately 1600","ecosystem_type":"Temperate forest","koppen":"Cfb","dbh_min_cm":"11.5","dbh_max_cm":"96.5","sample_size":"10","collection_year":"1966","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-log transformed","r_squared":"NI","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_data_availability":"NRA"},{"ref_id":"fenn_2014_tcco","equation_id":"7bb5bd","equation_allometry":"exp(-5.308133+(2.4882*(log(pi*dbh))))","equation_form":"exp(a+(b*(log(pi*dbh))))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Fraxinus excelsior","allometry_specificity":"Species","equation_categ":"sp_site_spec","geographic_area":"Wytham Woods, Oxfordshire, UK","original_coord":"51°46' N, 1°19' W","lat":"51.8","long":"-1.3","elev_m":"62","mat_C":"10","min.temp_C":"NI","max.temp_C":"NI","map_mm":"714","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"Managed by timber removal but undisturbed since the last 40 yrs","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"Ancient semi-natural woodland meaning site has a continuous forest cover through recorded history since approximately 1600","ecosystem_type":"Temperate forest","koppen":"Cfb","dbh_min_cm":"9","dbh_max_cm":"104","sample_size":"15","collection_year":"1966","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-log transformed","r_squared":"NI","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_data_availability":"NRA"},{"ref_id":"fenn_2014_tcco","equation_id":"d635f1","equation_allometry":"exp(-5.284602+(2.4682*(log(pi*dbh))))","equation_form":"exp(a+(b*(log(pi*dbh))))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Quercus robur","allometry_specificity":"Species","equation_categ":"sp_site_spec","geographic_area":"Wytham Woods, Oxfordshire, UK","original_coord":"51°46' N, 1°19' W","lat":"51.8","long":"-1.3","elev_m":"62","mat_C":"10","min.temp_C":"NI","max.temp_C":"NI","map_mm":"714","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"Managed by timber removal but undisturbed since the last 40 yrs","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"Ancient semi-natural woodland meaning site has a continuous forest cover through recorded history since approximately 1600","ecosystem_type":"Temperate forest","koppen":"Cfb","dbh_min_cm":"14","dbh_max_cm":"162.5","sample_size":"20","collection_year":"1966","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-log transformed","r_squared":"NI","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_data_availability":"NRA"},{"ref_id":"fenn_2014_tcco","equation_id":"fc521f","equation_allometry":"exp(-5.41227+(2.491767*(log(pi*dbh))))","equation_form":"exp(a+(b*(log(pi*dbh))))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Trees (Angiosperms)","allometry_specificity":"Woody species","equation_categ":"site_spec","geographic_area":"Wytham Woods, Oxfordshire, UK","original_coord":"51°46' N, 1°19' W","lat":"51.8","long":"-1.3","elev_m":"62","mat_C":"10","min.temp_C":"NI","max.temp_C":"NI","map_mm":"714","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"Managed by timber removal but undisturbed since the last 40 yrs","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"Ancient semi-natural woodland meaning site has a continuous forest cover through recorded history since approximately 1600","ecosystem_type":"Temperate forest","koppen":"Cfb","dbh_min_cm":"9","dbh_max_cm":"94","sample_size":"39","collection_year":"1966","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-log transformed","r_squared":"NI","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Other species","original_data_availability":"NRA","equation_notes":"dbh values are from very original pub in 1966"},{"ref_id":"forrester_2017_gbal","equation_id":"fb61c6","equation_allometry":"exp(-2.3958+(log(dbh)*2.4497))","equation_form":"exp(a+(log(dbh)*b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Abies alba","allometry_specificity":"Species","equation_categ":"generic","geographic_area":"Europe","original_coord":"47.0 (42.7/56.0); 8 (0.8/15.7)","lat":"42.7","long":"0.8","elev_m":"975","geography_notes":"Lat and long correspond to minimum values (see Table 2 in original publication)","mat_C":"8.4","min.temp_C":"NI","max.temp_C":"NI","map_mm":"999","frost_free_period_days":"NI","climate_notes":"Mean temp and precip are mid values from a given range (see Table 2 in original publication)","stand_age_range_yr":"32.7 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"NRA","ecosystem_type":"Temperate forest","koppen":"Cfb","dbh_min_cm":"5.7","dbh_max_cm":"57.7","sample_size":"132","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest?","regression_model":"log-log transformed, mixed model","r_squared":"0.979519198","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"0.44","original_equation_id":"Eq.3","original_data_availability":"Yes"},{"ref_id":"forrester_2017_gbal","equation_id":"90bcae","equation_allometry":"exp(-2.2353+(log(dbh)*2.3772))","equation_form":"exp(a+(log(dbh)*b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Alnus glutinosa","allometry_specificity":"Species","equation_categ":"generic","geographic_area":"Europe","original_coord":"56.1 (42.4/59.5); 11.9 (1.6/16)","lat":"42.4","long":"1.6","elev_m":"1766","geography_notes":"Lat and long correspond to minimum values (see Table 2 in original publication)","mat_C":"6.5","min.temp_C":"NI","max.temp_C":"NI","map_mm":"712","frost_free_period_days":"NI","climate_notes":"Mean temp and precip are mid values from a given range (see Table 2 in original publication)","stand_age_range_yr":"10-49 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"22.3","stand_trees_ha":"8756","forest_description":"NRA","ecosystem_type":"Temperate forest","koppen":"Cfb","dbh_min_cm":"1","dbh_max_cm":"47.3","sample_size":"132","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest?","regression_model":"log-log transformed, mixed model","r_squared":"0.98613396","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"4.53","original_equation_id":"Eq.3","original_data_availability":"Yes"},{"ref_id":"forrester_2017_gbal","equation_id":"64edc8","equation_allometry":"exp(-2.3914+(log(dbh)*2.4204))","equation_form":"exp(a+(log(dbh)*b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Alnus incana","allometry_specificity":"Species","equation_categ":"generic","geographic_area":"Europe","original_coord":"60.4 (57.3/61.8); 16.8 (10.8/26.1)","lat":"57.3","long":"10.8","elev_m":"50","geography_notes":"Lat and long correspond to minimum values (see Table 2 in original publication)","mat_C":"4.4","min.temp_C":"NI","max.temp_C":"NI","map_mm":"678","frost_free_period_days":"NI","climate_notes":"Mean temp and precip are mid values from a given range (see Table 2 in original publication)","stand_age_range_yr":"6.5-40 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"27.6","stand_trees_ha":"13730","forest_description":"NRA","ecosystem_type":"Temperate forest","koppen":"Cfb","dbh_min_cm":"0.7","dbh_max_cm":"47.3","sample_size":"264","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest?","regression_model":"log-log transformed, mixed model","r_squared":"0.991630047","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"2.74","original_equation_id":"Eq.3","original_data_availability":"Yes"},{"ref_id":"forrester_2017_gbal","equation_id":"bf52d2","equation_allometry":"exp(-2.5273+(log(dbh)*2.4667))","equation_form":"exp(a+(log(dbh)*b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Alnus incana /Alnus glutinosa","allometry_specificity":"Species","equation_categ":"generic","geographic_area":"Europe","original_coord":"60.4 (57.3/61.8); 16.8 (10.8/26.1)","lat":"57.3","long":"10.8","elev_m":"50","geography_notes":"Lat and long correspond to minimum values (see Table 2 in original publication)","mat_C":"4.4","min.temp_C":"NI","max.temp_C":"NI","map_mm":"678","frost_free_period_days":"NI","climate_notes":"Mean temp and precip are mid values from a given range (see Table 2 in original publication)","stand_age_range_yr":"6.5-40 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"27.6","stand_trees_ha":"13730","forest_description":"NRA","ecosystem_type":"Temperate forest","koppen":"Cfb","dbh_min_cm":"0.7","dbh_max_cm":"24.6","sample_size":"132","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest?","regression_model":"log-log transformed, mixed model","r_squared":"0.997599926","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"0.2","original_equation_id":"Eq.3","original_data_availability":"Yes"},{"ref_id":"forrester_2017_gbal","equation_id":"980d52","equation_allometry":"exp(-2.0013+(log(dbh)*2.3683))","equation_form":"exp(a+(log(dbh)*b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Betula pendula","allometry_specificity":"Species","equation_categ":"generic","geographic_area":"Europe","original_coord":"57.8 (49.9/62.0); 12.1 (5.3/26.1)","lat":"49.9","long":"5.3","elev_m":"488","geography_notes":"Lat and long correspond to minimum values (see Table 2 in original publication)","mat_C":"6","min.temp_C":"NI","max.temp_C":"NI","map_mm":"717","frost_free_period_days":"NI","climate_notes":"Mean temp and precip are mid values from a given range (see Table 2 in original publication)","stand_age_range_yr":"6.5-20 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"14.9","stand_trees_ha":"13202","forest_description":"NRA","ecosystem_type":"Temperate forest","koppen":"Cfb","dbh_min_cm":"1","dbh_max_cm":"14","sample_size":"99","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest?","regression_model":"log-log transformed, mixed model","r_squared":"0.989203133","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"4.07","original_equation_id":"Eq.3","original_data_availability":"Yes"},{"ref_id":"forrester_2017_gbal","equation_id":"41481b","equation_allometry":"exp(-1.9147+(log(dbh)*2.2081))","equation_form":"exp(a+(log(dbh)*b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Betula pubescens","allometry_specificity":"Species","equation_categ":"generic","geographic_area":"Europe","original_coord":"61.3 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model","r_squared":"0.928666772","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"-1.58","original_equation_id":"Eq.3","original_data_availability":"Yes"},{"ref_id":"gonzalez-beneck_2018_loga","equation_id":"418f13","equation_allometry":"0.0725*(dbh^2.5074)+0.0016*(dbh^3.0786)+0.0214*(dbh^2.0051)","equation_form":"a*dbh^b+c*dbh^d+e*dbh^f","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Pinus palustris","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Southeast USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"Area too broad to define coordinates","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"5-188 yrs","stand_age_history":"Variable through different sites","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"NI","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"0.8","dbh_max_cm":"54.3","sample_size":"296","collection_year":"1977, 2017","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"power-law","r_squared":"NI","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","notes_fitting_model":"Biomass equations were fitted with nonlinear seemingly unrelated regression","original_equation_id":"7","original_data_availability":"Yes"},{"ref_id":"gower_1992_cdor","equation_id":"48557b","equation_allometry":"10^(-1.024+2.416*(log10(dbh)))","equation_form":"10^(a+b*(log10(dbh)))","dependent_variable":"Stem biomass (without bark)","independent_variable":"DBH","equation_taxa":"Pseudotsuga menziesii","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"New Mexico, USA","original_coord":"35°15' N, 107°34' W","lat":"35.3","long":"-107.6","elev_m":"2900","mat_C":"13.5","min.temp_C":"-10.5","max.temp_C":"17","map_mm":"1020","frost_free_period_days":"NI","climate_notes":"Precipitation range 640-1400m","stand_age_range_yr":"50 yrs","stand_age_history":"Naturally regenerated, even-aged conifer forest established after fire","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Douglas-fir is the dominant tree species. Other tree species include aspen (Populus tremuloides), Engelmann spruce (Picea engelmannii), and corkbark fir (Abies lasiocarpa)","ecosystem_type":"Temperate forest","koppen":"BSk","dbh_min_cm":"2.7","dbh_max_cm":"27.5","sample_size":"10","collection_year":"1985","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","r_squared":"0.984","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"1.014","original_data_availability":"NRA"},{"ref_id":"gower_1992_cdor","equation_id":"697035","equation_allometry":"10^(-1.234+2.128*(log10(dbh)))","equation_form":"10^(a+b*(log10(dbh)))","dependent_variable":"Bark","independent_variable":"DBH","equation_taxa":"Pseudotsuga menziesii","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"New Mexico, USA","original_coord":"35°15' N, 107°34' W","lat":"35.3","long":"-107.6","elev_m":"2900","mat_C":"13.5","min.temp_C":"-10.5","max.temp_C":"17","map_mm":"1020","frost_free_period_days":"NI","climate_notes":"Precipitation range 640-1400m","stand_age_range_yr":"50 yrs","stand_age_history":"Naturally regenerated, even-aged conifer forest established after fire","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Douglas-fir is the dominant tree species. Other tree species include aspen (Populus tremuloides), Engelmann spruce (Picea engelmannii), and corkbark fir (Abies lasiocarpa)","ecosystem_type":"Temperate forest","koppen":"BSk","dbh_min_cm":"2.7","dbh_max_cm":"27.5","sample_size":"10","collection_year":"1985","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","r_squared":"0.994","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"0.004","original_data_availability":"NRA"},{"ref_id":"gower_1992_cdor","equation_id":"9a977b","equation_allometry":"10^(-2.336+2.650*(log10(dbh)))","equation_form":"10^(a+b*(log10(dbh)))","dependent_variable":"Branches (live, dead)","independent_variable":"DBH","equation_taxa":"Pseudotsuga menziesii","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"New Mexico, USA","original_coord":"35°15' N, 107°34' W","lat":"35.3","long":"-107.6","elev_m":"2900","mat_C":"13.5","min.temp_C":"-10.5","max.temp_C":"17","map_mm":"1020","frost_free_period_days":"NI","climate_notes":"Precipitation range 640-1400m","stand_age_range_yr":"50 yrs","stand_age_history":"Naturally regenerated, even-aged conifer forest established after fire","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Douglas-fir is the dominant tree species. Other tree species include aspen (Populus tremuloides), Engelmann spruce (Picea engelmannii), and corkbark fir (Abies lasiocarpa)","ecosystem_type":"Temperate forest","koppen":"BSk","dbh_min_cm":"2.7","dbh_max_cm":"27.5","sample_size":"14","collection_year":"1985","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","r_squared":"0.898","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"0.088","original_data_availability":"NRA"},{"ref_id":"gower_1992_cdor","equation_id":"a59bd5","equation_allometry":"10^(-2.347+2.478*(log10(dbh)))","equation_form":"10^(a+b*(log10(dbh)))","dependent_variable":"Foliage","independent_variable":"DBH","equation_taxa":"Pseudotsuga menziesii","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"New Mexico, USA","original_coord":"35°15' N, 107°34' W","lat":"35.3","long":"-107.6","elev_m":"2900","mat_C":"13.5","min.temp_C":"-10.5","max.temp_C":"17","map_mm":"1020","frost_free_period_days":"NI","climate_notes":"Precipitation range 640-1400m","stand_age_range_yr":"50 yrs","stand_age_history":"Naturally regenerated, even-aged conifer forest established after fire","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Douglas-fir is the dominant tree species. Other tree species include aspen (Populus tremuloides), Engelmann spruce (Picea engelmannii), and corkbark fir (Abies lasiocarpa)","ecosystem_type":"Temperate forest","koppen":"BSk","dbh_min_cm":"2.7","dbh_max_cm":"27.5","sample_size":"14","collection_year":"1985","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","r_squared":"0.926","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"1.053","original_data_availability":"NRA"},{"ref_id":"gower_1992_cdor","equation_id":"d09777","equation_allometry":"10^(-1.024+2.416*(log10(dbh)))+10^(-1.234+2.128*(log10(dbh)))+10^(-2.336+2.650*(log10(dbh)))+10^(-2.347+2.478*(log10(dbh)))","equation_form":"10^(a+b*(log10(dbh)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Pseudotsuga menziesii","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"New Mexico, USA","original_coord":"35°15' N, 107°34' W","lat":"35.3","long":"-107.6","elev_m":"2900","mat_C":"13.5","min.temp_C":"-10.5","max.temp_C":"17","map_mm":"1020","frost_free_period_days":"NI","climate_notes":"Precipitation range 640-1400m","stand_age_range_yr":"50 yrs","stand_age_history":"Naturally regenerated, even-aged conifer forest established after fire","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Douglas-fir is the dominant tree species. Other tree species include aspen (Populus tremuloides), Engelmann spruce (Picea engelmannii), and corkbark fir (Abies lasiocarpa)","ecosystem_type":"Temperate forest","koppen":"BSk","dbh_min_cm":"2.7","dbh_max_cm":"27.5","sample_size":"14","collection_year":"1985","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"1.053","original_data_availability":"NRA","equation_notes":"This equation is not in original pub, we combined plant parts here to obtain AGB. Use this equation for small conifers @ Utah."},{"ref_id":"grier_1992_bdap","equation_id":"da0e89","equation_allometry":"10^(-1.468+2.582*(log10((dbh+3.033)/0.9823)))","equation_form":"10^(a+b*(log10(drc)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Pinus edulis","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Arizona, USA","original_coord":"35°8' N, 111°22' W","lat":"35.1","long":"-111.4","elev_m":"2000","mat_C":"11","min.temp_C":"NI","max.temp_C":"NI","map_mm":"250-410","frost_free_period_days":"158","stand_age_range_yr":"100-350 yrs","stand_age_history":"Wildfires in the area over the past 400 years have created a coarse-grained age mosaic","stand_basal_area_m2_ha":"5.3-18.4","stand_trees_ha":"117-227","forest_description":"An overstory of Pinus edulis and Juniperus monosperma dominates the site","ecosystem_type":"Temperate forest","koppen":"BSk","dbh_min_cm":"5","dbh_max_cm":"45","sample_size":"15","collection_year":"1992","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log transform (base 10)","r_squared":"0.95","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_data_availability":"NRA","equation_notes":"Original biomass equation uses drc (diameter root collar). Chojnacky & Rogers, 1999 equation converts dcr to dbh [dbh=a+b*drc+c+d+e*drc] where coefficients are: a=-6.818, b=1.0222, c=1.8879, d=1.8971, e=-0.0399. We rewrote Chojnaky's equation to convert dbh to drc [dcr=(dbh-a-b-c)/(b+e] or [dcr=dbh+3.033/0.9823]."},{"ref_id":"grigal_1984_befb","equation_id":"1d3182","equation_allometry":"0.153*(dbh^2.248)","equation_form":"a*(dbh^b)","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Picea mariana","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Minnesota, USA","original_coord":"NI","lat":"47.54","long":"-93.47","elev_m":"437.7","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"3.3","min.temp_C":"-15","max.temp_C":"19","map_mm":"780","frost_free_period_days":"NI","climate_notes":"Data from Marcell Experimental Forest website.","stand_age_range_yr":"NI","stand_age_history":"Plantations, fire.","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Sandy uplands support red and jack pine in fire-origin stands or in plantations, along with mixed stands of aspen, white birch, balsam fir, and white spruce. The sandy loam till soils support similar mixed stands. Forested bogs contain black spruce and tamarack. ","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"1.4","dbh_max_cm":"23.4","sample_size":"24","collection_year":"1981","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"0","original_data_availability":"NRA"},{"ref_id":"halpern_1996_efpa","equation_id":"3cb95a","equation_allometry":"exp(2.025+3.527*log(1.488+1.195*dbh))","equation_form":"exp(a+b*log(dba))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Arctostaphylos columbiana","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Oregon, USA","original_coord":"NI","lat":"44.1","long":"-122.2","elev_m":"730","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"11.5","min.temp_C":"NI","max.temp_C":"NI","map_mm":"2302","frost_free_period_days":"134","stand_age_range_yr":"NI","stand_age_history":"Clearcut and broadcast burned in 1991.","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Prior to harvest in 1991, the site supported a mature old-growth forest dominated by Pseudotsuga menziesii, Tsuga heterophylla and Thuja plicata.","ecosystem_type":"Temperate forest","koppen":"Csb","dbh_min_cm":"0.5","dbh_max_cm":"2.1","sample_size":"11","collection_year":"1992-1994","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-log transformed","r_squared":"0.901","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_data_availability":"NRA","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl)"},{"ref_id":"he_2018_abfe","equation_id":"14bf3d","equation_allometry":"0.0335*(dbh)^1.606+0.0026*(dbh)^3.323+0.1222*(dbh)^2.310","equation_form":"a*dbh^b+c*dbh^d+e*dbh^f","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Acer mandshuricum","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Northeastern China","original_coord":"43°58\" N, 127°43\"E","lat":"43.97","long":"127.72","elev_m":"450","mat_C":"3.8","min.temp_C":"-18.6","max.temp_C":"21.7","map_mm":"696","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Homogeneous natural coniferous and broadleaved mixed forest.","ecosystem_type":"Temperate forest","koppen":"Dwb","dbh_min_cm":"7.8","dbh_max_cm":"35.9","sample_size":"10","collection_year":"2012","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.934","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","original_equation_id":"A. mandshuricum","original_data_availability":"NRA"},{"ref_id":"he_2018_abfe","equation_id":"0c7cd6","equation_allometry":"0.0202*(dbh)^1.810+0.0111*(dbh)^2.740+0.1156*(dbh)^2.336","equation_form":"a*dbh^b+c*dbh^d+e*dbh^f","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Acer mono","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Northeastern China","original_coord":"43°58\" N, 127°43\"E","lat":"43.97","long":"127.72","elev_m":"450","mat_C":"3.8","min.temp_C":"-18.6","max.temp_C":"21.7","map_mm":"696","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Homogeneous natural coniferous and broadleaved mixed forest.","ecosystem_type":"Temperate forest","koppen":"Dwb","dbh_min_cm":"6.4","dbh_max_cm":"45.3","sample_size":"12","collection_year":"2012","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.955","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","original_equation_id":"A. mono","original_data_availability":"NRA"},{"ref_id":"he_2018_abfe","equation_id":"78da81","equation_allometry":"0.0023*(dbh)^2.599+0.0011*(dbh)^3.445+0.1443*(dbh)^2.286","equation_form":"a*dbh^b+c*dbh^d+e*dbh^f","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Betula platyphylla","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Northeastern China","original_coord":"43°58\" N, 127°43\"E","lat":"43.97","long":"127.72","elev_m":"450","mat_C":"3.8","min.temp_C":"-18.6","max.temp_C":"21.7","map_mm":"696","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Homogeneous natural coniferous and broadleaved mixed forest.","ecosystem_type":"Temperate forest","koppen":"Dwb","dbh_min_cm":"5.7","dbh_max_cm":"40","sample_size":"10","collection_year":"2012","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.973","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","original_equation_id":"B. platyphylla","original_data_availability":"NRA"},{"ref_id":"he_2018_abfe","equation_id":"7c5165","equation_allometry":"0.0153*(dbh)^2.200+0.0047*(dbh)^3.398+0.1506*(dbh)^2.111","equation_form":"a*dbh^b+c*dbh^d+e*dbh^f","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Carpinus cordata","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Northeastern China","original_coord":"43°58\" N, 127°43\"E","lat":"43.97","long":"127.72","elev_m":"450","mat_C":"3.8","min.temp_C":"-18.6","max.temp_C":"21.7","map_mm":"696","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Homogeneous natural coniferous and broadleaved mixed forest.","ecosystem_type":"Temperate forest","koppen":"Dwb","dbh_min_cm":"5.1","dbh_max_cm":"13.4","sample_size":"9","collection_year":"2012","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.769","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","original_equation_id":"C. cordata","original_data_availability":"NRA"},{"ref_id":"he_2018_abfe","equation_id":"49468b","equation_allometry":"0.0047*(dbh)^2.315+0.0010*(dbh)^3.48+0.1008*(dbh)^2.443","equation_form":"a*dbh^b+c*dbh^d+e*dbh^f","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Fraxinus mandshurica","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Northeastern China","original_coord":"43°58\" N, 127°43\"E","lat":"43.97","long":"127.72","elev_m":"450","mat_C":"3.8","min.temp_C":"-18.6","max.temp_C":"21.7","map_mm":"696","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Homogeneous natural coniferous and broadleaved mixed forest.","ecosystem_type":"Temperate forest","koppen":"Dwb","dbh_min_cm":"10.7","dbh_max_cm":"41.4","sample_size":"10","collection_year":"2012","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.965","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","original_equation_id":"F. mandshurica","original_data_availability":"NRA"},{"ref_id":"he_2018_abfe","equation_id":"13ee85","equation_allometry":"0.0156*(dbh)^1.974+0.0041*(dbh)^3.063+0.0861*(dbh)^2.381","equation_form":"a*dbh^b+c*dbh^d+e*dbh^f","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Juglans mandshurica","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Northeastern China","original_coord":"43°58\" N, 127°43\"E","lat":"43.97","long":"127.72","elev_m":"450","mat_C":"3.8","min.temp_C":"-18.6","max.temp_C":"21.7","map_mm":"696","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Homogeneous natural coniferous and broadleaved mixed forest.","ecosystem_type":"Temperate forest","koppen":"Dwb","dbh_min_cm":"6.5","dbh_max_cm":"42.5","sample_size":"10","collection_year":"2012","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.989","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","original_equation_id":"J. mandshurica","original_data_availability":"NRA"},{"ref_id":"he_2018_abfe","equation_id":"0cd6a1","equation_allometry":"0.0149*(dbh)^1.700+0.0050*(dbh)^3.055+0.1370*(dbh)^2.198","equation_form":"a*dbh^b+c*dbh^d+e*dbh^f","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Maackia amurensis","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Northeastern China","original_coord":"43°58\" N, 127°43\"E","lat":"43.97","long":"127.72","elev_m":"450","mat_C":"3.8","min.temp_C":"-18.6","max.temp_C":"21.7","map_mm":"696","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Homogeneous natural coniferous and broadleaved mixed forest.","ecosystem_type":"Temperate 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127°43\"E","lat":"43.97","long":"127.72","elev_m":"450","mat_C":"3.8","min.temp_C":"-18.6","max.temp_C":"21.7","map_mm":"696","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Homogeneous natural coniferous and broadleaved mixed forest.","ecosystem_type":"Temperate forest","koppen":"Dwb","dbh_min_cm":"8.4","dbh_max_cm":"44","sample_size":"11","collection_year":"2012","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.975","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","original_equation_id":"P. koraiensis","original_data_availability":"NRA"},{"ref_id":"he_2018_abfe","equation_id":"23cc49","equation_allometry":"0.0047*(dbh)^2.193+0.0028*(dbh)^2.975+0.0821*(dbh)^2.358","equation_form":"a*dbh^b+c*dbh^d+e*dbh^f","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Populus ussuriensis","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Northeastern China","original_coord":"43°58\" N, 127°43\"E","lat":"43.97","long":"127.72","elev_m":"450","mat_C":"3.8","min.temp_C":"-18.6","max.temp_C":"21.7","map_mm":"696","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Homogeneous natural coniferous and broadleaved mixed forest.","ecosystem_type":"Temperate 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127°43\"E","lat":"43.97","long":"127.72","elev_m":"450","mat_C":"3.8","min.temp_C":"-18.6","max.temp_C":"21.7","map_mm":"696","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Homogeneous natural coniferous and broadleaved mixed forest.","ecosystem_type":"Temperate forest","koppen":"Dwb","dbh_min_cm":"4.2","dbh_max_cm":"41.2","sample_size":"10","collection_year":"2012","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.941","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","original_equation_id":"Q. mongolica","original_data_availability":"NRA"},{"ref_id":"he_2018_abfe","equation_id":"23a16c","equation_allometry":"0.0027*(dbh)^2.368+0.0021*(dbh)^3.131+0.0965*(dbh)^2.323","equation_form":"a*dbh^b+c*dbh^d+e*dbh^f","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Tilia amurensis","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Northeastern China","original_coord":"43°58\" N, 127°43\"E","lat":"43.97","long":"127.72","elev_m":"450","mat_C":"3.8","min.temp_C":"-18.6","max.temp_C":"21.7","map_mm":"696","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Homogeneous natural coniferous and broadleaved mixed forest.","ecosystem_type":"Temperate forest","koppen":"Dwb","dbh_min_cm":"7","dbh_max_cm":"42.2","sample_size":"10","collection_year":"2012","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.953","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","original_equation_id":"T. amurensis","original_data_availability":"NRA"},{"ref_id":"he_2018_abfe","equation_id":"f4c0cf","equation_allometry":"0.0097*(dbh)^2.113+0.0073*(dbh)^2.876+0.0913*(dbh)^2.386","equation_form":"a*dbh^b+c*dbh^d+e*dbh^f","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Trees (Angiosperms/Gymnosperms)","allometry_specificity":"Woody species","equation_categ":"generic","geographic_area":"Northeastern China","original_coord":"43°58\" N, 127°43\"E","lat":"43.97","long":"127.72","elev_m":"450","mat_C":"3.8","min.temp_C":"-18.6","max.temp_C":"21.7","map_mm":"696","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Homogeneous natural coniferous and broadleaved mixed forest.","ecosystem_type":"Temperate forest","koppen":"Dwb","dbh_min_cm":"4.2","dbh_max_cm":"47.1","sample_size":"122","collection_year":"2012","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.888","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","original_equation_id":"All trees","original_data_availability":"NRA"},{"ref_id":"he_2018_abfe","equation_id":"048d59","equation_allometry":"0.0044*(dbh)^2.438+0.0068*(dbh)^3.001+0.1308*(dbh)^2.271","equation_form":"a*dbh^b+c*dbh^d+e*dbh^f","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Ulmus japonica","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Northeastern China","original_coord":"43°58\" N, 127°43\"E","lat":"43.97","long":"127.72","elev_m":"450","mat_C":"3.8","min.temp_C":"-18.6","max.temp_C":"21.7","map_mm":"696","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Homogeneous natural coniferous and broadleaved mixed forest.","ecosystem_type":"Temperate forest","koppen":"Dwb","dbh_min_cm":"5.6","dbh_max_cm":"39.9","sample_size":"10","collection_year":"2012","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.906","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","original_equation_id":"U. japonica","original_data_availability":"NRA"},{"ref_id":"he_2018_daef","equation_id":"1f17bb","equation_allometry":"44.06*((1.488+1.195*dbh)^2.395)","equation_form":"a*(dba^b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Alnus","allometry_specificity":"Genus","equation_categ":"genus_spec","geographic_area":"Alberta, Canada","original_coord":"56.9° N, 116.8° 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Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl)"},{"ref_id":"he_2018_daef","equation_id":"a3a86f","equation_allometry":"49.52*((1.488+1.195*dbh)^2.027)","equation_form":"a*(dba^b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Betula","allometry_specificity":"Genus","equation_categ":"genus_spec","geographic_area":"Alberta, Canada","original_coord":"56.9° N, 116.8° W","lat":"56.9","long":"-116.8","elev_m":"628","mat_C":"1","min.temp_C":"NI","max.temp_C":"NI","map_mm":"461","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Shrubby fen composed primarily of Alnus spp., Salix spp., and Betula spp.","ecosystem_type":"Boreal forest","koppen":"Dfc","dbh_min_cm":"0.31","dbh_max_cm":"1.37","sample_size":"25","collection_year":"2017","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"power-law","r_squared":"0.907","other_equations_tested":"mixed model","log_biomass":"0","bias_corrected":"1","original_data_availability":"NRA","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl)"},{"ref_id":"he_2018_daef","equation_id":"36fc34","equation_allometry":"55.85*((1.488+1.195*dbh)^2.325)","equation_form":"a*(dba^b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Salix","allometry_specificity":"Genus","equation_categ":"genus_spec","geographic_area":"Alberta, Canada","original_coord":"56.9° N, 116.8° W","lat":"56.9","long":"-116.8","elev_m":"628","mat_C":"1","min.temp_C":"NI","max.temp_C":"NI","map_mm":"461","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Shrubby fen composed primarily of Alnus spp., Salix spp., and Betula spp.","ecosystem_type":"Boreal forest","koppen":"Dfc","dbh_min_cm":"0.31","dbh_max_cm":"2.76","sample_size":"49","collection_year":"2017","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"power-law","r_squared":"0.943","other_equations_tested":"mixed model","log_biomass":"0","bias_corrected":"1","original_data_availability":"NRA","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl)"},{"ref_id":"he_2018_daef","equation_id":"05b311","equation_allometry":"53.37*((1.488+1.195*dbh)^2.251)","equation_form":"a*(dba^b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Shrubs (Angiosperms)","allometry_specificity":"Woody species","equation_categ":"generic","geographic_area":"Alberta, Canada","original_coord":"56.9° N, 116.8° W","lat":"56.9","long":"-116.8","elev_m":"628","mat_C":"1","min.temp_C":"NI","max.temp_C":"NI","map_mm":"461","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Shrubby fen composed primarily of Alnus spp., Salix spp., and Betula spp.","ecosystem_type":"Boreal forest","koppen":"Dfc","dbh_min_cm":"0.31","dbh_max_cm":"5.7","sample_size":"82","collection_year":"2017","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"power-law","r_squared":"0.967","other_equations_tested":"mixed model","log_biomass":"0","bias_corrected":"1","original_data_availability":"NRA","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl)"},{"ref_id":"jansen_1996_otvb","equation_id":"448bdf","equation_allometry":"(dbh^1.77681)*(h^1.14282)*(2.71828^-3.07536)","equation_form":"(dbh^a)*(h^b)*(e^c)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH, H","equation_taxa":"Acer","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"Netherland","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate deciduous 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H","equation_taxa":"Betula","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"Netherland","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate deciduous forest","koppen":"Cfb","dbh_min_cm":"NRA","dbh_max_cm":"NRA","sample_size":"NRA","collection_year":"1967","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest?","r_squared":"NI","other_equations_tested":"NI","log_biomass":"0","original_equation_id":"berk","original_data_availability":"NRA","equation_notes":"Use height allometries for Betula from Bonh 2014 to calculate biomass"},{"ref_id":"jansen_1996_otvb","equation_id":"bf5b8e","equation_allometry":"(dbh^1.86116)*(h^1.04313)*(2.71828^-3.05257)","equation_form":"(dbh^a)*(h^b)*(e^c)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH, H","equation_taxa":"Fagus sylvatica","allometry_specificity":"Species","equation_categ":"generic","geographic_area":"Netherland","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate deciduous forest","koppen":"Cfb","dbh_min_cm":"NRA","dbh_max_cm":"NRA","sample_size":"NRA","collection_year":"1971-1972","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest?","r_squared":"NI","other_equations_tested":"NI","log_biomass":"0","original_equation_id":"beuk","original_data_availability":"NRA","equation_notes":"Use height allometries for Fagus from Bonh 2014 to calculate biomass"},{"ref_id":"jansen_1996_otvb","equation_id":"c3587c","equation_allometry":"(dbh^1.870775)*(h^1.00616)*(2.71828^-2.8748)","equation_form":"(dbh^a)*(h^b)*(e^c)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH, H","equation_taxa":"Larix","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"Netherland","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate deciduous forest","koppen":"Cfb","dbh_min_cm":"NRA","dbh_max_cm":"NRA","sample_size":"NRA","collection_year":"1987","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest?","r_squared":"NI","other_equations_tested":"NI","log_biomass":"0","original_equation_id":"J.larix","original_data_availability":"NRA","equation_notes":"Use height allometries for Pinus from Bonh 2014 to calculate biomass"},{"ref_id":"jansen_1996_otvb","equation_id":"becaf9","equation_allometry":"(dbh^1.82075)*(h^1.07427)*(2.71828^-2.88085)","equation_form":"(dbh^a)*(h^b)*(e^c)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH, H","equation_taxa":"Pinus sylvestris","allometry_specificity":"Species","equation_categ":"generic","geographic_area":"Netherland","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate deciduous forest","koppen":"Cfb","dbh_min_cm":"NRA","dbh_max_cm":"NRA","sample_size":"NRA","collection_year":"1958","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest?","r_squared":"NI","other_equations_tested":"NI","log_biomass":"0","original_equation_id":"groveden","original_data_availability":"NRA","equation_notes":"Use height allometries for Pinus from Bonh 2014 to calculate biomass"},{"ref_id":"jansen_1996_otvb","equation_id":"99d03e","equation_allometry":"(dbh^1.90053)*(h^0.80726)*(2.71828^-2.43151)","equation_form":"(dbh^a)*(h^b)*(e^c)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH, H","equation_taxa":"Pseudotsuga menziesii","allometry_specificity":"Species","equation_categ":"generic","geographic_area":"Netherland","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate deciduous forest","koppen":"Cfb","dbh_min_cm":"NRA","dbh_max_cm":"NRA","sample_size":"NRA","collection_year":"1996","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest?","r_squared":"NI","other_equations_tested":"NI","log_biomass":"0","original_equation_id":"douglas","original_data_availability":"NRA","equation_notes":"Use height allometries for Pinus from Bonh 2014 to calculate biomass"},{"ref_id":"jansen_1996_otvb","equation_id":"12b2a9","equation_allometry":"(dbh^1.82628)*(h^1.11342)*(2.71828^-3.04885)","equation_form":"(dbh^a)*(h^b)*(e^c)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH, H","equation_taxa":"Quercus","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"Netherland","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate deciduous forest","koppen":"Cfb","dbh_min_cm":"NRA","dbh_max_cm":"NRA","sample_size":"NRA","collection_year":"1988","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest?","r_squared":"NI","other_equations_tested":"NI","log_biomass":"0","original_equation_id":"zomereik","original_data_availability":"NRA","equation_notes":"Use height allometries for Quercus from Bonh 2014 to calculate biomass"},{"ref_id":"jansen_1996_otvb","equation_id":"6dd993","equation_allometry":"(dbh^1.83932)*(h^0.9724)*(2.71828^-2.71877)","equation_form":"(dbh^a)*(h^b)*(e^c)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH, H","equation_taxa":"Quercus rubra","allometry_specificity":"Species","equation_categ":"generic","geographic_area":"Netherland","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate deciduous forest","koppen":"Cfb","dbh_min_cm":"NRA","dbh_max_cm":"NRA","sample_size":"NRA","collection_year":"1972","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest?","r_squared":"NI","other_equations_tested":"NI","log_biomass":"0","original_equation_id":"Am. eik","original_data_availability":"NRA","equation_notes":"Use height allometries for Quercus from Bonh 2014 to calculate biomass"},{"ref_id":"jenkins_2004_cdod","equation_id":"f2943e","equation_allometry":"exp(-10.7955+2.759*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Stem biomass (with bark)","independent_variable":"DBH","equation_taxa":"Abies magnifica","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Pacific Northwest, USA","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","geography_notes":"Sierra Nevada, California","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"Old growth","ecosystem_type":"NRA","koppen":"Csb","dbh_min_cm":"18.8","dbh_max_cm":"143.2","sample_size":"31","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"Mg","output_units_CF":"1000","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.987","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_equation_id":"NRA","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location. Also Biopak eq 383."},{"ref_id":"jenkins_2004_cdod","equation_id":"138258","equation_allometry":"exp(-1.721+2.334*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Acer rubrum","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Wisconsin, Michigan, USA","original_coord":"45°30'N, 89°20'W","lat":"45.5","long":"-89.3","elev_m":"NI","mat_C":"5.3","min.temp_C":"NI","max.temp_C":"NI","map_mm":"800","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"Heavy logging of pine and hardwoods occurred during the early 1900s, subsequent fires occurring until 1926","stand_basal_area_m2_ha":"17.99","stand_trees_ha":"NI","forest_description":"Second-growth forests of aspen, birch, and maple","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"10","dbh_max_cm":"52.2","sample_size":"150","collection_year":"1978","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-log transformed","r_squared":"0.98","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"1.007","original_equation_id":"Red maple","original_data_availability":"NRA"},{"ref_id":"jenkins_2004_cdod","equation_id":"2060ea","equation_allometry":"10^(1.1891+1.419*(log10(dbh^2)))","equation_form":"10^(a+b*(log10(dbh^c)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Acer rubrum","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Ohio, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"Location: \"Eastern and southern Ohio\"","mat_C":"Ni","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"50 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mixed hardwoods","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"0.21","dbh_max_cm":"5.73","sample_size":"45","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","r_squared":"0.91","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"1.056","original_equation_id":"Red maple","original_data_availability":"NRA"},{"ref_id":"jenkins_2004_cdod","equation_id":"5084bd","equation_allometry":"exp(-2.037+2.363*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Acer rubrum","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Wisconsin, Michigan, USA","original_coord":"45°30'N, 89°20'W","lat":"45.5","long":"-89.3","elev_m":"NI","mat_C":"5.3","min.temp_C":"NI","max.temp_C":"NI","map_mm":"800","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"Heavy logging of pine and hardwoods occurred during the early 1900s, subsequent fires occurring until 1926","stand_basal_area_m2_ha":"17.99","stand_trees_ha":"NI","forest_description":"Second-growth forests of aspen, birch, and maple","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"3.1","dbh_max_cm":"24.6","sample_size":"41","collection_year":"1978","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"1.01","original_equation_id":"Red maple","original_data_availability":"NRA"},{"ref_id":"jenkins_2004_cdod","equation_id":"7c72ed","equation_allometry":"exp(4.5893+2.43*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Acer rubrum","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Eastern USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"NI","ecosystem_type":"Temperate forest","koppen":"Cfa; Dfa; Dfb","dbh_min_cm":"1","dbh_max_cm":"55","sample_size":"NI","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"1","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_equation_id":"Red maple","original_data_availability":"NRA"},{"ref_id":"jenkins_2004_cdod","equation_id":"a4d879","equation_allometry":"10^(1.2315+1.6376*(log10(dbh^2)))","equation_form":"10^(a+b*(log10(dbh^c)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Acer saccharum","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Ohio, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"Location: \"Eastern and southern Ohio\"","mat_C":"Ni","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"50 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mixed hardwoods","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"0.19","dbh_max_cm":"3.86","sample_size":"44","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","r_squared":"0.98","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"1.016","original_equation_id":"Sugar maple","original_data_availability":"NRA"},{"ref_id":"jenkins_2004_cdod","equation_id":"b9ebe4","equation_allometry":"exp(5.13118+2.15046*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Alnus rubra","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Oregon, USA","original_coord":"44°27\"N, 123°55W","lat":"44.45","long":"-123.92","elev_m":"240","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"Area clearcut in 1970 then burned, then replanted with Douglas-fir","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Douglas-fir plantation","ecosystem_type":"Temperate forest","koppen":"Csb","dbh_min_cm":"1.7","dbh_max_cm":"13.2","sample_size":"18","collection_year":"1980","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.95","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_equation_id":"Red alder","original_data_availability":"NRA","equation_notes":"Also Biopak eq #288"},{"ref_id":"jenkins_2004_cdod","equation_id":"c59e03","equation_allometry":"exp(7.217+1.514*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Stem biomass (with bark)","independent_variable":"DBH","equation_taxa":"Amelanchier","allometry_specificity":"Genus","equation_categ":"genus_spec","geographic_area":"Tennessee, USA","original_coord":"35°41'N, 83°25'W","lat":"35.68","long":"-83.42","elev_m":"1059","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"42-63 yrs","stand_age_history":"Young stand registered agricultural abandonment, old stand no logging or fire.","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Old growth deciduous forest dominated by Tsuga","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"8.9","dbh_max_cm":"25.4","sample_size":"4","collection_year":"1962, 1968, 1983","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.98","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Serviceberry","original_data_availability":"NRA"},{"ref_id":"jenkins_2004_cdod","equation_id":"982a41","equation_allometry":"exp(5.1428+2.3729*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Betula alleghaniensis","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Eastern USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"NI","ecosystem_type":"Temperate forest","koppen":"Cfa; Dfa; Dfb","dbh_min_cm":"1","dbh_max_cm":"63","sample_size":"NI","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"1","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_equation_id":"Yellow birch","original_data_availability":"NRA"},{"ref_id":"jenkins_2004_cdod","equation_id":"d3f7ed","equation_allometry":"exp(-2.474+2.555*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Betula papyrifera","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"North Central States, USA","original_coord":"45°30'N, 89°20'W","lat":"45.5","long":"-89.33","elev_m":"510","mat_C":"5.3","min.temp_C":"-11","max.temp_C":"19","map_mm":"800","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"Heavy logging of pine and hardwoods occurred during the early 1900s, subsequent fires occurring until 1926","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Second-growth forests of aspen, birch, and maple.","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"3.5","dbh_max_cm":"26.3","sample_size":"21","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.97","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"1.006","original_equation_id":"Betula papyrifera","original_data_availability":"NRA"},{"ref_id":"jenkins_2004_cdod","equation_id":"7992d5","equation_allometry":"exp(-11.7031+2.7818*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Stem biomass (with bark)","independent_variable":"DBH","equation_taxa":"Calocedrus decurrens","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Pacific Northwest, USA","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Csb","dbh_min_cm":"25","dbh_max_cm":"143.9","sample_size":"25","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"Mg","output_units_CF":"1000","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.979","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"NRA","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location."},{"ref_id":"jenkins_2004_cdod","equation_id":"cf733d","equation_allometry":"exp(5.67+1.97*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Cornus florida","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Ohio, USA","original_coord":"39°35'55\"N, 82°33'18\" W","lat":"39.6","long":"-82.56","elev_m":"269","geography_notes":"Coordinates given for center of Neotoma Valley","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mixed sites from mixed oak to mesophytic forest to red pine dominated","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"1.85","dbh_max_cm":"7.25","sample_size":"20","collection_year":"1983","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.95","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_equation_id":"Total","original_data_availability":"NRA"},{"ref_id":"jenkins_2004_cdod","equation_id":"f3e023","equation_allometry":"3.08355*(dbh^2)^1.14915","equation_form":"a*(dbh^2)^b","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Cornus florida","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Southeast USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"Area too broad to define coordinates","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mature hardwood and mixed pine-hardwood stands","ecosystem_type":"Temperate forest","koppen":"Cfa; Cfb","dbh_min_cm":"2.54","dbh_max_cm":"12.45","sample_size":"48","collection_year":"NI","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","r_squared":"0.98","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"0","original_equation_id":"Flowering dogwood","original_data_availability":"NRA"},{"ref_id":"jenkins_2004_cdod","equation_id":"122ba6","equation_allometry":"3.203+(-0.234*dbh)+0.006*(dbh^2)","equation_form":"a+(b*dbh)+c*(dbh^d)","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Fraxinus americana","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"New York, USA","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Dfa; Dfb","dbh_min_cm":"2.5","dbh_max_cm":"55","sample_size":"32","collection_year":"NRA","dbh_units_original":"mm","dbh_unit_CF":"10","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","r_squared":"0.98","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"0","original_equation_id":"NRA","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location."},{"ref_id":"jenkins_2004_cdod","equation_id":"e3f3bf","equation_allometry":"10^(1.2784+1.4248*(log10(dbh^2)))","equation_form":"10^(a+b*(log10(dbh^c)))","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Fraxinus americana","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Ohio, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"Location: \"Eastern and southern Ohio\"","mat_C":"Ni","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"50 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mixed hardwoods","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"0.5","dbh_max_cm":"6.14","sample_size":"40","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","r_squared":"0.97","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"1.015","original_equation_id":"White ash","original_data_availability":"NRA"},{"ref_id":"jenkins_2004_cdod","equation_id":"c36a5b","equation_allometry":"0.1632*(dbh^2.2454)","equation_form":"a*(dbh^b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Juniperus virginiana","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Tennessee, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"Logging","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Samples were taken from logging operations","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"14","dbh_max_cm":"43","sample_size":"31","collection_year":"1970","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","r_squared":"0","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"0","original_equation_id":"Eastern redcedar","original_data_availability":"NRA"},{"ref_id":"jenkins_2004_cdod","equation_id":"01e863","equation_allometry":"0.305*(dbh^2.014)","equation_form":"a*(dbh^b)","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Larix laricina","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Wisconsin, USA","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate forest","koppen":"Dfa; Dfb","dbh_min_cm":"12.9","dbh_max_cm":"30","sample_size":"10","collection_year":"NRA","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","r_squared":"0.98","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"0","original_equation_id":"Red pine","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location."},{"ref_id":"jenkins_2004_cdod","equation_id":"94f593","equation_allometry":"10^(0.8306+1.527*(log10(dbh^2)))","equation_form":"10^(a+b*(log10(dbh^c)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Liriodendron tulipifera","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Ohio, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"Location: \"Eastern and southern Ohio\"","mat_C":"Ni","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"50 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mixed hardwoods","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"0.42","dbh_max_cm":"8.53","sample_size":"61","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","r_squared":"0.98","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"1.014","original_equation_id":"Yellow-poplar","original_data_availability":"NRA"},{"ref_id":"jenkins_2004_cdod","equation_id":"8c94e8","equation_allometry":"10^(1.1468+1.4806*(log10(dbh^2)))","equation_form":"10^(a+b*(log10(dbh^c)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Nyssa sylvatica","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Ohio, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"Location: \"Eastern and southern Ohio\"","mat_C":"Ni","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"50 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mixed hardwoods","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"0.24","dbh_max_cm":"6.72","sample_size":"38","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"1.006","original_equation_id":"Black gum","original_data_availability":"NRA"},{"ref_id":"jenkins_2004_cdod","equation_id":"e8ebc2","equation_allometry":"2.56795*(dbh^2)^1.18685","equation_form":"a*(dbh^2)^b","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Nyssa sylvatica","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Southeast USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"Area too broad to define coordinates","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mature hardwood and mixed pine-hardwood stands","ecosystem_type":"Temperate forest","koppen":"Cfa; Cfb","dbh_min_cm":"4.06","dbh_max_cm":"12.45","sample_size":"18","collection_year":"NI","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","r_squared":"0.95","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"0","original_equation_id":"Blackgum","original_data_availability":"NRA"},{"ref_id":"jenkins_2004_cdod","equation_id":"289f7c","equation_allometry":"exp(4.89+2.33*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Stem biomass (with bark)","independent_variable":"DBH","equation_taxa":"Ostrya virginiana","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"New Hampshire, USA","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Dfb","dbh_min_cm":"1","dbh_max_cm":"9","sample_size":"5","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"1","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"NRA","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location."},{"ref_id":"jenkins_2004_cdod","equation_id":"c0604e","equation_allometry":"exp(2.35+2.5*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Branches (live, dead)","independent_variable":"DBH","equation_taxa":"Ostrya virginiana","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"New Hampshire, USA","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Dfb","dbh_min_cm":"1","dbh_max_cm":"9","sample_size":"5","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.97","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"NRA","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location."},{"ref_id":"jenkins_2004_cdod","equation_id":"b9d4fc","equation_allometry":"exp(1.92+1.86*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Foliage","independent_variable":"DBH","equation_taxa":"Ostrya virginiana","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"New Hampshire, USA","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Dfb","dbh_min_cm":"1","dbh_max_cm":"9","sample_size":"5","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.85","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"NRA","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location."},{"ref_id":"jenkins_2004_cdod","equation_id":"74d0ce","equation_allometry":"exp(4.89+2.3*log(dbh))/1000 + exp(2.35+2.5*log(dbh))/1000 + exp(1.92+1.86*log(dbh))/1000","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Ostrya virginiana","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"New Hampshire, USA","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Dfb","dbh_min_cm":"1","dbh_max_cm":"9","sample_size":"5","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"NRA","original_data_availability":"NRA","equation_notes":"This equation is not in original pub, we combined plant parts here to obtain AGB."},{"ref_id":"jenkins_2004_cdod","equation_id":"9f4b7d","equation_allometry":"((-36.94)+0.42*(dbh^2))","equation_form":"a+(b*dbh)+c*(dbh^d)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Picea engelmannii","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Colorado, USA","original_coord":"NI","lat":"37.41","long":"-107.73","elev_m":"3100-3500","geography_notes":"Location estimated for Missionary Ridge, one of the sampling sites","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","climate_notes":"No data on climate in original pub","stand_age_range_yr":"15-250 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Engelmann spruce was the dominant species.","ecosystem_type":"Temperate alpine forest","koppen":"Dfb","dbh_min_cm":"10","dbh_max_cm":"76","sample_size":"29","collection_year":"1975","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.97","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"0","original_equation_id":"Engelmann spruce trees","original_data_availability":"NRA","equation_notes":"This equation gives negative values if dbh<10 cm, the minimum dbh in original pub is 3.6 cm, here we use 10 cm to be applied as minimum."},{"ref_id":"jenkins_2004_cdod","equation_id":"bce95d","equation_allometry":"0.0777*(dbh^2.472)","equation_form":"a*(dbh^b)","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Picea glauca","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Minnesota, USA","original_coord":"NI","lat":"47.54","long":"-93.47","elev_m":"437.7","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"3.3","min.temp_C":"-15","max.temp_C":"19","map_mm":"780","frost_free_period_days":"NI","climate_notes":"Data from Marcell Experimental Forest website.","stand_age_range_yr":"NI","stand_age_history":"Plantations, fire.","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Sandy uplands support red and jack pine in fire-origin stands or in plantations, along with mixed stands of aspen, white birch, balsam fir, and white spruce. The sandy loam till soils support similar mixed stands. Forested bogs contain black spruce and tamarack. ","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"1.1","dbh_max_cm":"32.6","sample_size":"115","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","r_squared":"0.98","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"0","original_data_availability":"NRA"},{"ref_id":"jenkins_2004_cdod","equation_id":"5ea2c1","equation_allometry":"exp(-10.755+2.7308*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Stem biomass (with bark)","independent_variable":"DBH","equation_taxa":"Pinus ponderosa","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Pacific Northwest, USA","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Csb","dbh_min_cm":"24.1","dbh_max_cm":"117.7","sample_size":"42","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"Mg","output_units_CF":"1000","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.984","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"NRA","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location."},{"ref_id":"jenkins_2004_cdod","equation_id":"21800b","equation_allometry":"exp(5.2831+2.0369*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Pinus strobus","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Eastern USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"NI","ecosystem_type":"Temperate forest","koppen":"Cfa; Dfa; Dfb","dbh_min_cm":"1","dbh_max_cm":"55","sample_size":"NI","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.95","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_equation_id":"White pine","original_data_availability":"NRA"},{"ref_id":"jenkins_2004_cdod","equation_id":"ecd464","equation_allometry":"9.1583+(-0.4291*dbh)+0.005799*(dbh^2)","equation_form":"a+(b*dbh)+c*(dbh ^ d)","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Populus","allometry_specificity":"Genus","equation_categ":"genus_spec","geographic_area":"New York, USA","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Dfa; Dfb","dbh_min_cm":"2.5","dbh_max_cm":"55","sample_size":"31","collection_year":"NRA","dbh_units_original":"mm","dbh_unit_CF":"10","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","r_squared":"0.98","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"0","original_equation_id":"NRA","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location."},{"ref_id":"jenkins_2004_cdod","equation_id":"3172f7","equation_allometry":"10^(1.2696+1.3889*(log10(dbh^2)))","equation_form":"10^(a+b*(log10(dbh^c)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Populus grandidentata","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Ohio, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"Location: \"Eastern and southern Ohio\"","mat_C":"Ni","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"50 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mixed hardwoods","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"0.68","dbh_max_cm":"7.49","sample_size":"53","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","r_squared":"0.97","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"1.012","original_equation_id":"Yellow poplar","original_data_availability":"NRA"},{"ref_id":"jenkins_2004_cdod","equation_id":"aeebe9","equation_allometry":"0.1231*(dbh^2.242)","equation_form":"a*(dbh^b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Populus tremuloides","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Utah, Wyoming, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"2300-2400","geography_notes":"Area too broad to define coordinates","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"NI","ecosystem_type":"Temperate forest","koppen":"Dfa; Dfb","dbh_min_cm":"3","dbh_max_cm":"36","sample_size":"20","collection_year":"1972","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","r_squared":"0.97","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","bias_correction_factor":"1.046","original_equation_id":"Quaking aspen","original_data_availability":"NRA"},{"ref_id":"jenkins_2004_cdod","equation_id":"8aecca","equation_allometry":"10^(1.1981+1.5876*(log10(dbh^2)))","equation_form":"10^(a+b*(log10(dbh^2)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Prunus serotina","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Ohio, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"Location: \"Eastern and southern Ohio\"","mat_C":"Ni","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"50 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mixed hardwoods","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"0.37","dbh_max_cm":"6.83","sample_size":"37","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","r_squared":"0.98","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"1.017","original_equation_id":"Black cherry","original_data_availability":"NRA","equation_notes":"Use equation on small stems"},{"ref_id":"jenkins_2004_cdod","equation_id":"f94e03","equation_allometry":"exp(-3.9371+2.8427*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Pseudotsuga menziesii","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Oregon, USA","original_coord":"44°20'N, 123°21\"W","lat":"44.33","long":"-123.35","elev_m":"250-300","mat_C":"8","min.temp_C":"NI","max.temp_C":"NI","map_mm":"1600","frost_free_period_days":"NI","climate_notes":"Climate wet and mild","stand_age_range_yr":"22 yrs","stand_age_history":"Plantations, former agricultural site","stand_basal_area_m2_ha":"29-44","stand_trees_ha":"690-1030","forest_description":"Plantation stands","ecosystem_type":"Temperate forest","koppen":"Csb","dbh_min_cm":"10","dbh_max_cm":"40","sample_size":"40","collection_year":"1981","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.93","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Douglas-fir","original_data_availability":"NRA"},{"ref_id":"jenkins_2004_cdod","equation_id":"76df22","equation_allometry":"2.93819*(dbh^2)^1.19746","equation_form":"a*(dbh^2)^b","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Quercus prinus","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Southeast USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"Area too broad to define coordinates","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mature hardwood and mixed pine-hardwood stands","ecosystem_type":"Temperate forest","koppen":"Cfa; Cfb","dbh_min_cm":"3.81","dbh_max_cm":"11.94","sample_size":"24","collection_year":"NI","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"0","original_equation_id":"Chestnut oak","original_data_availability":"NRA"},{"ref_id":"jenkins_2004_cdod","equation_id":"1d7c4c","equation_allometry":"exp(4.9967+2.3944*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Quercus rubra","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Eastern USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"NI","ecosystem_type":"Temperate forest","koppen":"Cfa; Dfa; Dfb","dbh_min_cm":"2.5","dbh_max_cm":"55","sample_size":"NI","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_equation_id":"Red oak","original_data_availability":"NRA"},{"ref_id":"jenkins_2004_cdod","equation_id":"b40702","equation_allometry":"2.23774*(dbh^2)^1.21527","equation_form":"a*(dbh^2)^b","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Quercus stellata","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Southeast USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"Area too broad to define coordinates","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mature hardwood and mixed pine-hardwood stands","ecosystem_type":"Temperate forest","koppen":"Cfa; Cfb","dbh_min_cm":"3.3","dbh_max_cm":"11.94","sample_size":"12","collection_year":"NI","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","r_squared":"0.98","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"0","original_equation_id":"Post oak","original_data_availability":"NRA"},{"ref_id":"jenkins_2004_cdod","equation_id":"c70dea","equation_allometry":"10^(1.00005+2.10621*(log10(dbh)))","equation_form":"10^(a+b*(log10(dbh)))","dependent_variable":"Whole tree (above and belowground)","independent_variable":"DBH","equation_taxa":"Quercus velutina","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"North Carolina, Kentucky, Tennessee, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"No specific location of sampled trees is given in publication. Geographic area too broad (Tennessee Valley).","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"49-146 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Logging operations","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"30.48","dbh_max_cm":"88.9","sample_size":"26","collection_year":"NI","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","r_squared":"0.97","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_equation_id":"black oak","original_data_availability":"NRA"},{"ref_id":"jenkins_2004_cdod","equation_id":"2c092b","equation_allometry":"10^(1.3539+1.3412*(log10(dbh^2)))","equation_form":"10^(a+b*(log10(dbh^c)))","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Sassafras albidum","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Ohio, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"Location: \"Eastern and southern Ohio\"","mat_C":"Ni","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"50 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mixed hardwoods","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"0.4","dbh_max_cm":"8.49","sample_size":"41","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"1.004","original_equation_id":"Sassafras","original_data_availability":"NRA","equation_notes":"Equation built for seedlings and saplings"},{"ref_id":"jenkins_2004_cdod","equation_id":"19bb04","equation_allometry":"exp(3.34884+2.45446*log(dbh+3.033/0.9823))","equation_form":"exp(a+b*log(drc))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Thuja plicata","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Pacific Northwest, USA","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Csb","dbh_min_cm":"0.18","dbh_max_cm":"2.23","sample_size":"5","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.997","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_equation_id":"NRA","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location."},{"ref_id":"jenkins_2004_cdod","equation_id":"dc04c7","equation_allometry":"((-3463.8)+1083.9*(dbh+3.033/0.9823))","equation_form":"a+b*drc","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Thuja plicata","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Pacific Northwest, USA","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Csb","dbh_min_cm":"4.2","dbh_max_cm":"7","sample_size":"4","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"linear","r_squared":"0.936","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"0","original_equation_id":"NRA","original_data_availability":"NRA","equation_notes":"Using Chojnacky & Rogers, 1999 equation to convert dbh to drc [dcr=dbh+3.033/0.9823]. Proved difficult to obtain original publication for stand descriptions and location."},{"ref_id":"jenkins_2004_cdod","equation_id":"ae65ed","equation_allometry":"exp(-2.48+2.4835*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Trees (Angiosperms)","allometry_specificity":"Woody species","equation_categ":"generic","geographic_area":"North America","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","geography_notes":"Area too broad to define coordinates","mat_C":"NRA","min.temp_C":"NRA","max.temp_C":"NRA","map_mm":"NRA","frost_free_period_days":"NRA","climate_notes":"Koppen zones in North America if covering more than 40% of the territory (excluding Alaska)","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"NRA","koppen":"Cfa; Dfa; Dfb; BSk; BWk; Csa; Csb","dbh_min_cm":"2.5","dbh_max_cm":"56","sample_size":"289","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.98","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","bias_correction_factor":"0.36","original_equation_id":"Mixed hardwood","original_data_availability":"NRA","equation_notes":"Proved difficult to obtain original publication for stand descriptions and location."},{"ref_id":"krumlik_1974_band","equation_id":"b570d4","equation_allometry":"exp(3.779+2.473*(log(dbh)))","equation_form":"exp(a+b*(log(dbh))","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Abies amabilis","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"British Columbia, Canada","original_coord":"NI","lat":"49.77","long":"-122.91","elev_m":"1500","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"5","min.temp_C":"-8","max.temp_C":"12","map_mm":"2200-4300","frost_free_period_days":"40-120","climate_notes":"Mean annual temp between 3.33-6.66 C degrees","stand_age_range_yr":"150-530 yrs","stand_age_history":"Some logging","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"The tree layer is formed by two species Pacific silver fir (69%) and mountain hemlock (31%). Understory veg formed by Vaccinium spp, Rubus spp, Luetkea spp.","ecosystem_type":"Temperate forest","koppen":"Dfb; Dfc","dbh_min_cm":"31","dbh_max_cm":"90.4","sample_size":"7","collection_year":"1972","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_data_availability":"Yes","equation_notes":"Jenkins suggests this equation on table 3 as: log10 biomass = a + b * (log10(dia^c)), but the original pub doesn't use log 10. Here we use the correct equation: log(Y)=a+b*(log*dbh)."},{"ref_id":"krumlik_1974_band","equation_id":"e3edf1","equation_allometry":"exp(3.68+2.135*(log(dbh)))","equation_form":"exp(a+b*(log(dbh))","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Tsuga heterophylla","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"British Columbia, Canada","original_coord":"NI","lat":"49.77","long":"-122.91","elev_m":"1500","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"5","min.temp_C":"-8","max.temp_C":"12","map_mm":"2200-4300","frost_free_period_days":"40-120","climate_notes":"Mean annual temp between 3.33-6.66 C degrees","stand_age_range_yr":"150-530 yrs","stand_age_history":"Some logging","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"The tree layer is formed by two species Pacific silver fir (69%) and mountain hemlock (31%). Understory veg formed by Vaccinium spp, Rubus spp, Luetkea spp.","ecosystem_type":"Temperate forest","koppen":"Dfb; Dfc","dbh_min_cm":"16","dbh_max_cm":"49","sample_size":"8","collection_year":"1972","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.97","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_data_availability":"Yes","equation_notes":"Jenkins suggests this equation on table 3 as: log10 biomass = a + b * (log10(dia^c)), but the original pub doesn't use log 10. Here we use the correct equation: log(Y)=a+b*(log*dbh)."},{"ref_id":"li_2010_aout","equation_id":"4a7f60","equation_allometry":"0.527*((1.488+1.195*dbh)^2.217)","equation_form":"a*(dba^b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Acer ginnala","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Northeastern China","original_coord":"45°20'–25'N, 127°30'–34'E","lat":"45.33","long":"127.5","elev_m":"300","mat_C":"2.6","min.temp_C":"-31","max.temp_C":"32","map_mm":"700","frost_free_period_days":"120-142","stand_age_range_yr":"50-55 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Typical natural secondary forest.","ecosystem_type":"Temperate forest","koppen":"Dwb","dbh_min_cm":"0.45","dbh_max_cm":"11.56","sample_size":"13","collection_year":"2008","dbh_units_original":"mm","dbh_unit_CF":"10","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"power function","r_squared":"0.988","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","bias_correction_factor":"1.031","original_data_availability":"NRA","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl). Dbh ranges here correspond to dba(10 cm) ranges in original publication."},{"ref_id":"li_2010_aout","equation_id":"70f5d8","equation_allometry":"0.024*((1.488+1.195*dbh)^2.826)","equation_form":"a*(dba^b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Corylus mandshurica","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Northeastern China","original_coord":"45°20'–25'N, 127°30'–34'E","lat":"45.33","long":"127.5","elev_m":"300","mat_C":"2.6","min.temp_C":"-31","max.temp_C":"32","map_mm":"700","frost_free_period_days":"120-145","stand_age_range_yr":"50-55 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Typical natural secondary forest.","ecosystem_type":"Temperate forest","koppen":"Dwb","dbh_min_cm":"0.367","dbh_max_cm":"3.213","sample_size":"15","collection_year":"2008","dbh_units_original":"mm","dbh_unit_CF":"10","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"power function","r_squared":"0.854","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","bias_correction_factor":"1.084","original_data_availability":"NRA","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl). Dbh ranges here correspond to dba(10 cm) ranges in original publication."},{"ref_id":"li_2010_aout","equation_id":"0ff949","equation_allometry":"0.095*((1.488+1.195*dbh)^2.655)","equation_form":"a*(dba^b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Euonymus alatus","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Northeastern China","original_coord":"45°20'–25'N, 127°30'–34'E","lat":"45.33","long":"127.5","elev_m":"300","mat_C":"2.6","min.temp_C":"-31","max.temp_C":"32","map_mm":"700","frost_free_period_days":"120-144","stand_age_range_yr":"50-55 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Typical natural secondary forest.","ecosystem_type":"Temperate forest","koppen":"Dwb","dbh_min_cm":"0.284","dbh_max_cm":"4.891","sample_size":"11","collection_year":"2008","dbh_units_original":"mm","dbh_unit_CF":"10","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"power function","r_squared":"0.994","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","bias_correction_factor":"1.02","original_data_availability":"NRA","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl). Dbh ranges here correspond to dba(10 cm) ranges in original publication."},{"ref_id":"li_2010_aout","equation_id":"db547c","equation_allometry":"0.18*((1.488+1.195*dbh)^2.362)","equation_form":"a*(dba^b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Rhamnus davurica","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Northeastern China","original_coord":"45°20'–25'N, 127°30'–34'E","lat":"45.33","long":"127.5","elev_m":"300","mat_C":"2.6","min.temp_C":"-31","max.temp_C":"32","map_mm":"700","frost_free_period_days":"120-143","stand_age_range_yr":"50-55 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Typical natural secondary forest.","ecosystem_type":"Temperate forest","koppen":"Dwb","dbh_min_cm":"0.395","dbh_max_cm":"12.38","sample_size":"12","collection_year":"2008","dbh_units_original":"mm","dbh_unit_CF":"10","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"power function","r_squared":"0.967","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","bias_correction_factor":"1.092","original_data_availability":"NRA","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl). Dbh ranges here correspond to dba(10 cm) ranges in original publication."},{"ref_id":"li_2010_aout","equation_id":"ef8451","equation_allometry":"0.395*((1.488+1.195*dbh)^2.3)","equation_form":"a*(dba^b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Syringa reticulata","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Northeastern China","original_coord":"45°20'–25'N, 127°30'–34'E","lat":"45.33","long":"127.5","elev_m":"300","mat_C":"2.6","min.temp_C":"-31","max.temp_C":"32","map_mm":"700","frost_free_period_days":"120-141","stand_age_range_yr":"50-55 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Typical natural secondary forest.","ecosystem_type":"Temperate forest","koppen":"Dwb","dbh_min_cm":"0.693","dbh_max_cm":"10.78","sample_size":"46","collection_year":"2008","dbh_units_original":"mm","dbh_unit_CF":"10","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"power function","r_squared":"0.941","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","bias_correction_factor":"1.063","original_data_availability":"NRA","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl). Dbh ranges here correspond to dba(10 cm) ranges in original publication."},{"ref_id":"li_2010_aout","equation_id":"44bc3b","equation_allometry":"0.182*((1.488+1.195*dbh)^2.487)","equation_form":"a*(dba^b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Trees (Angiosperms)","allometry_specificity":"Woody species","equation_categ":"generic","geographic_area":"Northeastern China","original_coord":"45°20'–25'N, 127°30'–34'E","lat":"45.33","long":"127.5","elev_m":"300","mat_C":"2.6","min.temp_C":"-31","max.temp_C":"32","map_mm":"700","frost_free_period_days":"120-148","stand_age_range_yr":"50-55 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Typical natural secondary forest.","ecosystem_type":"Temperate forest","koppen":"Dwb","dbh_min_cm":"0.284","dbh_max_cm":"12.38","sample_size":"137","collection_year":"2008","dbh_units_original":"mm","dbh_unit_CF":"10","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"power function","r_squared":"0.973","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","bias_correction_factor":"1.064","original_data_availability":"NRA","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl). Dbh ranges here correspond to dba(10 cm) ranges in original publication."},{"ref_id":"li_2010_aout","equation_id":"192c68","equation_allometry":"0.041*((1.488+1.195*dbh)^2.649)","equation_form":"a*(dba^b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Viburnum sargentii","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Northeastern China","original_coord":"45°20'–25'N, 127°30'–34'E","lat":"45.33","long":"127.5","elev_m":"300","mat_C":"2.6","min.temp_C":"-31","max.temp_C":"32","map_mm":"700","frost_free_period_days":"120-146","stand_age_range_yr":"50-55 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Typical natural secondary forest.","ecosystem_type":"Temperate forest","koppen":"Dwb","dbh_min_cm":"0.554","dbh_max_cm":"3.131","sample_size":"12","collection_year":"2008","dbh_units_original":"mm","dbh_unit_CF":"10","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"power function","r_squared":"0.974","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","bias_correction_factor":"1.027","original_data_availability":"NRA","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl). Dbh ranges here correspond to dba(10 cm) ranges in original publication."},{"ref_id":"luo_2018_acnt","equation_id":"a3d3c3","equation_allometry":"0.0763*(dbh^2.4578)","equation_form":"a*(dbh^b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Abies fabri","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Jilin, China","lat":"42.43","long":"128.13","elev_m":"650","mat_C":"2.7","min.temp_C":"NI","max.temp_C":"NI","map_mm":"679","frost_free_period_days":"NI","stand_age_range_yr":"Mature to overmature","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Coniferous and broadleaved mixed forest. Natural.","ecosystem_type":"NRA","koppen":"Dwb","dbh_min_cm":"1","dbh_max_cm":"45","sample_size":"20","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","r_squared":"NI","other_equations_tested":"NI","log_biomass":"0","original_data_availability":"NRA"},{"ref_id":"luo_2018_acnt","equation_id":"624871","equation_allometry":"(-21.9034+(8.409*dbh)+(0.6538*dbh^2))","equation_form":"a+(b*dbh)+(c*dbh^2)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Abies georgei","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Tibet, China","lat":"29.71","long":"94.39","elev_m":"3850","mat_C":"-0.7","min.temp_C":"NI","max.temp_C":"NI","map_mm":"1134","frost_free_period_days":"NI","stand_age_range_yr":"200 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"865","forest_description":"Abies forest. 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forest","koppen":"Csb","dbh_min_cm":"8.7","dbh_max_cm":"111","sample_size":"20","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","other_equations_tested":"NI","log_biomass":"1","bias_correction_factor":"NRA","original_data_availability":"NRA","equation_notes":"This equation is not in original pub, we combined plant parts here to obtain AGB."},{"ref_id":"means_1994_sfcp","equation_id":"7aaa22","equation_allometry":"exp(3.011904+2.7727*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Stem biomass (with bark)","independent_variable":"DBH","equation_taxa":"Abies concolor","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Pacific Northwest, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"Sierra Nevada, California","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Old growth","ecosystem_type":"Temperate forest","koppen":"Csb","dbh_min_cm":"14.4","dbh_max_cm":"158.4","sample_size":"56","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.97","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_equation_id":"Biopak, Eq. 380","original_data_availability":"NRA"},{"ref_id":"means_1994_sfcp","equation_id":"b30744","equation_allometry":"exp(4.070762+2.4028*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Stem biomass (with bark)","independent_variable":"DBH","equation_taxa":"Abies lasiocarpa","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Rocky Mountains, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Old growth","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"15.6","dbh_max_cm":"68.7","sample_size":"17","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.98","other_equations_tested":"NI","log_biomass":"1","original_equation_id":"Biopak, Eq. 323","original_data_availability":"NRA"},{"ref_id":"means_1994_sfcp","equation_id":"171b02","equation_allometry":"exp(2.7261+2.3324*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Branches (live)","independent_variable":"DBH","equation_taxa":"Abies procera","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Pacific Northwest, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"West side of Cascades, USA","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mature forest (significant establishment and growth of later seral-species; canopy of early seral species breaking up)","ecosystem_type":"Temperate forest","koppen":"Csb","dbh_min_cm":"18.8","dbh_max_cm":"111","sample_size":"26","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.94","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Biopak, Eq. 28","original_data_availability":"NRA"},{"ref_id":"means_1994_sfcp","equation_id":"23a23d","equation_allometry":"exp(2.03496+2.1683*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Foliage","independent_variable":"DBH","equation_taxa":"Abies procera","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Pacific Northwest, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"West side of Cascades, USA","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mature forest (significant establishment and growth of later seral-species; canopy of early seral species breaking up)","ecosystem_type":"Temperate forest","koppen":"Csb","dbh_min_cm":"18.8","dbh_max_cm":"111","sample_size":"26","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_equation_id":"Biopak, Eq. 27","original_data_availability":"NRA","equation_notes":"Unable to extract correction factor from original publication"},{"ref_id":"means_1994_sfcp","equation_id":"d74d7f","equation_allometry":"exp(3.19196+2.7592*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Stem biomass (without bark)","independent_variable":"DBH","equation_taxa":"Abies procera","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Pacific Northwest, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"West side of Cascades, USA","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mature forest (significant establishment and growth of later seral-species; canopy of early seral species breaking up)","ecosystem_type":"Temperate forest","koppen":"Csb","dbh_min_cm":"18.8","dbh_max_cm":"111","sample_size":"26","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_equation_id":"Biopak, Eq. 29","original_data_availability":"NRA"},{"ref_id":"means_1994_sfcp","equation_id":"47e1e1","equation_allometry":"exp(0.8078+2.8943*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Bark","independent_variable":"DBH","equation_taxa":"Abies procera","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Pacific Northwest, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"West side of Cascades, USA","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mature forest (significant establishment and growth of later seral-species; canopy of early seral species breaking up)","ecosystem_type":"Temperate forest","koppen":"Csb","dbh_min_cm":"18.8","dbh_max_cm":"111","sample_size":"26","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_equation_id":"Biopak, Eq. 30","original_data_availability":"NRA"},{"ref_id":"means_1994_sfcp","equation_id":"e44b1a","equation_allometry":"exp(3.19196+2.7592*log(dbh)) + exp(2.7261+2.3324*log(dbh)) + exp(2.03496+2.1683*log(dbh)) + exp(0.8078+2.8943*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Abies procera","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Pacific Northwest, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"West side of Cascades, USA","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mature forest (significant establishment and growth of later seral-species; canopy of early seral species breaking up)","ecosystem_type":"Temperate forest","koppen":"Csb","dbh_min_cm":"18.8","dbh_max_cm":"111","sample_size":"26","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_data_availability":"NRA","equation_notes":"This equation is not in original pub, we combined plant parts here to obtain AGB."},{"ref_id":"means_1994_sfcp","equation_id":"677eda","equation_allometry":"exp(3.892752+2.5812*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Stem biomass (with bark)","independent_variable":"DBH","equation_taxa":"Abies procera","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Pacific Northwest, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"West side of Cascades, USA","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mature forest (significant establishment and growth of later seral-species; canopy of early seral species breaking up)","ecosystem_type":"Temperate forest","koppen":"Csb","dbh_min_cm":"15.9","dbh_max_cm":"235.5","sample_size":"310","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.984","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Biopak, Eq. 253","original_data_availability":"NRA"},{"ref_id":"means_1994_sfcp","equation_id":"014bb7","equation_allometry":"exp(3.3186+2.6846*log(1.488+1.195*dbh))","equation_form":"exp(a+b*log(dba))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Arctostaphylos patula","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Oregon, Washington, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"East side of Cascade Range Oregon and Washington","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Young forest (little or no establishment of seral species)","ecosystem_type":"Temperate forest","koppen":"Csb","dbh_min_cm":"0.4","dbh_max_cm":"11.5","sample_size":"150","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.96","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Biopak, Eq. 736","original_data_availability":"NRA","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl)"},{"ref_id":"means_1994_sfcp","equation_id":"a1cfac","equation_allometry":"exp(3.6471+2.532*log(1.488+1.195*dbh))","equation_form":"exp(a+b*log(dba))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Ceanothus integerrimus","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Pacific Northwest, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"Unknown exact locality","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Combination of seral stages","ecosystem_type":"Temperate forest","koppen":"Csb","dbh_min_cm":"0.3","dbh_max_cm":"6.5","sample_size":"46","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.97","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Biopak, Eq. 784","original_data_availability":"NRA","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl)"},{"ref_id":"means_1994_sfcp","equation_id":"6b3b2a","equation_allometry":"exp(3.67+2.847*log(1.488+1.195*dbh))","equation_form":"exp(a+b*log(dba))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Ceanothus velutinus","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Rocky Mountains, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Combination of seral stages","ecosystem_type":"Temperate forest","koppen":"Csb","dbh_min_cm":"0.6","dbh_max_cm":"2.5","sample_size":"30","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.92","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Biopak, Eq. 768","original_data_availability":"NRA","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl)"},{"ref_id":"means_1994_sfcp","equation_id":"9c4d19","equation_allometry":"exp(3.5247+2.2043*log(1.488+1.195*dbh))","equation_form":"exp(a+b*log(dba))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Ceanothus velutinus","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Oregon, Washington, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"East side of Cascade Range Oregon and Washington","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Combination of seral stages","ecosystem_type":"Temperate forest","koppen":"Csb","dbh_min_cm":"0.3","dbh_max_cm":"11.7","sample_size":"150","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.96","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Biopak, Eq. 740","original_data_availability":"NRA","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl)"},{"ref_id":"means_1994_sfcp","equation_id":"b9b3b0","equation_allometry":"exp(3.769+3.033*log(1.488+1.195*dbh))","equation_form":"exp(a+b*log(dba))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Holodiscus discolor","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Rocky Mountains, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Combination of seral stages","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"0.7","dbh_max_cm":"2.2","sample_size":"31","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.93","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Biopak, Eq. 767","original_data_availability":"NRA","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl)"},{"ref_id":"means_1994_sfcp","equation_id":"4d8e54","equation_allometry":"exp(4.98412+2.18584*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Pseudotsuga menziesii","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Oregon, USA","original_coord":"44°27\"N, 123°55W","lat":"44.45","long":"-123.92","elev_m":"240","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"Area clearcut in 1970 then burned, then replanted with Douglas-fir","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Douglas-fir plantation","ecosystem_type":"Temperate forest","koppen":"Csb","dbh_min_cm":"1.4","dbh_max_cm":"13.4","sample_size":"18","collection_year":"1980","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.97","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_equation_id":"Biopak, Eq. 301","original_data_availability":"NRA"},{"ref_id":"means_1994_sfcp","equation_id":"b95baf","equation_allometry":"exp(3.892+3.122*log(1.488+1.195*dbh))","equation_form":"exp(a+b*log(dba))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Ribes","allometry_specificity":"Genus","equation_categ":"genus_spec","geographic_area":"Rocky Mountains, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Combination of seral stages","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"0.4","dbh_max_cm":"1.4","sample_size":"37","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.9","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Biopak, Eq. 991","original_data_availability":"NRA","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl)"},{"ref_id":"means_1994_sfcp","equation_id":"1d71c8","equation_allometry":"exp(2.2116+2.0127*(0.36738+0.94932*log(dbh)))+exp(3.1839+2.4145*(0.36738 + 0.94932*log(dbh)))","equation_form":"exp(a+b*log(dba))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Ribes bracteosum","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"West Cascades, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mature forest (significant establishment and growth of later seral-species; canopy of early seral species breaking up)","ecosystem_type":"Temperate forest","koppen":"Csb","dbh_min_cm":"0.6","dbh_max_cm":"3.2","sample_size":"10","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.84","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Biopak, Eq. 123 & 124","original_data_availability":"NRA","equation_notes":"This equation is not in original pub, we combined plant parts here to obtain AGB. Basal diameter calculated from DBH using the equation: ln(dba) = 0.36738 + 0.94932 × ln(dbh) as Lutz et al, 2021"},{"ref_id":"means_1994_sfcp","equation_id":"e7bf91","equation_allometry":"exp(2.855+2.334*log(1.488+1.195*dbh))","equation_form":"exp(a+b*log(dba))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Rubus leucodermis","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"West Cascades, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Early successional (recently disturbed sites)","ecosystem_type":"Temperate forest","koppen":"Csb","dbh_min_cm":"0.1","dbh_max_cm":"1.1","sample_size":"12","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.91","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Biopak, Eq. 1107","original_data_availability":"NRA","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl)"},{"ref_id":"means_1994_sfcp","equation_id":"e8f868","equation_allometry":"exp(3.6123+2.9944*log(1.488+1.195*dbh))","equation_form":"exp(a+b*log(dba))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Vaccinium alaskaense","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Pacific Northwest, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"Unknown exact locality","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mature forest (significant establishment and growth of later seral-species; canopy of early seral species breaking up)","ecosystem_type":"Temperate forest","koppen":"Csb","dbh_min_cm":"0.6","dbh_max_cm":"3.6","sample_size":"26","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.94","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Biopak, Eq. 133","original_data_availability":"NRA","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl)"},{"ref_id":"means_1994_sfcp","equation_id":"12104c","equation_allometry":"exp(3.761+2.37498*log(1.488+1.195*dbh))","equation_form":"exp(a+b*log(dba))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Vaccinium parvifolium","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Oregon, Washington, USA","original_coord":"NI","lat":"NI","long":"NI","elev_m":"NI","geography_notes":"East side of Cascade Range Oregon and Washington","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Young forest (little or no establishment of seral species)","ecosystem_type":"Temperate forest","koppen":"Csb","dbh_min_cm":"0.4","dbh_max_cm":"3.3","sample_size":"7","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.97","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"Biopak, Eq. 187","original_data_availability":"NRA","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl)"},{"ref_id":"muukkonen_2007_gava","equation_id":"7b7468","equation_allometry":"exp(0.006+10.933*(dbh/(dbh+21.216)))","equation_form":"exp(a+b*(dbh/(dbh+c)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Fagus","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"Europe (temperate zone)","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate forest","koppen":"Cfa; Cfb; Dfa; Dfb; Dfc","dbh_min_cm":"10","dbh_max_cm":"50","sample_size":"240","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"power-law","r_squared":"99.7","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","original_data_availability":"NRA"},{"ref_id":"muukkonen_2007_gava","equation_id":"e44bb9","equation_allometry":"exp(-1.694+10.825*(dbh/(dbh+11.816)))","equation_form":"exp(a+b*(dbh/(dbh+c)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Picea abies","allometry_specificity":"Species","equation_categ":"generic","geographic_area":"Europe (temperate zone)","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate forest","koppen":"Cfa; Cfb; Dfa; Dfb; Dfc","dbh_min_cm":"10","dbh_max_cm":"40","sample_size":"144","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"power-law","r_squared":"98.5","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","original_data_availability":"NRA"},{"ref_id":"muukkonen_2007_gava","equation_id":"f4e95a","equation_allometry":"exp(-2.688+10.745*(dbh/(dbh+8.062)))","equation_form":"exp(a+b*(dbh/(dbh+c)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Pinus sylvestris","allometry_specificity":"Species","equation_categ":"generic","geographic_area":"Europe (temperate zone)","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate forest","koppen":"Cfa; Cfb; Dfa; Dfb; Dfc","dbh_min_cm":"10","dbh_max_cm":"40","sample_size":"56","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"power-law","r_squared":"99.5","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","original_data_availability":"NRA"},{"ref_id":"muukkonen_2007_gava","equation_id":"b020e2","equation_allometry":"exp(-0.604+10.677*(dbh/(dbh+15.900)))","equation_form":"exp(a+b*(dbh/(dbh+c)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Quercus","allometry_specificity":"Genus","equation_categ":"generic","geographic_area":"Europe (temperate zone)","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"NRA","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NRA","frost_free_period_days":"NRA","stand_age_range_yr":"NRA","stand_age_history":"NRA","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Temperate forest","koppen":"Cfa; Cfb; Dfa; Dfb; Dfc","dbh_min_cm":"10","dbh_max_cm":"50","sample_size":"335","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"power-law","r_squared":"98.4","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","original_data_availability":"NRA"},{"ref_id":"naidu_1998_cpob","equation_id":"6ea81f","equation_allometry":"10^(1.83+2.464*(log10(dbh)))","equation_form":"10^(a+b*(log10(dbh)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Pinus taeda","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"North Carolina, USA","original_coord":"35°97'N, 79°09'W","lat":"35.97","long":"-79.15","elev_m":"190","geography_notes":"Latitude incorrect in original publication","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"7-45 yrs","stand_age_history":"Stands established and managed as plantations","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Plantations","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"3.5","dbh_max_cm":"35.6","sample_size":"30","collection_year":"1995","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_equation_id":"Total mass (g)","original_data_availability":"NRA"},{"ref_id":"pastor_1981_bapo","equation_id":"77e37e","equation_allometry":"10^(-0.9+2.52*(log10(dbh)))","equation_form":"10^(a+b*(log10(dbh)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Acer saccharum","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Wisconsin, USA","original_coord":"45° 50' N, 89°40 W","lat":"45.8","long":"-89.7","elev_m":"480","mat_C":"5","min.temp_C":"-11","max.temp_C":"19","map_mm":"800","frost_free_period_days":"NI","stand_age_range_yr":"39-60 yrs","stand_age_history":"The stand became stablish after logging and possible fire around 1915.","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"The overstory vegetation comprises Populus tremuloides with minor amount of P. grandidentata, Acer saccharum, A. rubrum, Quercus borealis","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"7.5","dbh_max_cm":"23.7","sample_size":"9","collection_year":"1979","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","r_squared":"0.995","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","notes_fitting_model":"Bias correction not used","original_equation_id":"Maple","original_data_availability":"Yes"},{"ref_id":"pastor_1981_bapo","equation_id":"687843","equation_allometry":"10^(-0.685+2.249*(log10(dbh)))","equation_form":"10^(a+b*(log10(dbh)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Populus tremuloides","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Wisconsin, USA","original_coord":"45° 50' N, 89°40 W","lat":"45.8","long":"-89.7","elev_m":"480","mat_C":"5","min.temp_C":"-11","max.temp_C":"19","map_mm":"800","frost_free_period_days":"NI","stand_age_range_yr":"63 yrs","stand_age_history":"The stand became stablish after logging and possible fire around 1915.","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"The overstory vegetation comprises Populus tremuloides with minor amount of P. grandidentata, Acer saccharum, A. rubrum, Quercus borealis","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"14.7","dbh_max_cm":"39.7","sample_size":"9","collection_year":"1979","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","r_squared":"0.994","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","notes_fitting_model":"Bias correction not used","original_equation_id":"Aspen","original_data_availability":"Yes"},{"ref_id":"paul_2016_ttgo","equation_id":"7d5a04","equation_allometry":"exp((2.474*log(1.488+1.195*dbh)-2.757)*1.0787)","equation_form":"exp(a*log(dba))-b*CF","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Multistemmed plants","allometry_specificity":"Woody species","equation_categ":"generic","geographic_area":"Australia","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"17.1","min.temp_C":"NI","max.temp_C":"NI","map_mm":"432","frost_free_period_days":"NRA","stand_age_range_yr":"89.1 yrs","stand_age_history":"Undisturbed or managed","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Tropical, temperate, xeric shrubland, mountain grass and shrubland","koppen":"Af; Am; Aw; BSh; BSk; BWh; Bwk; Cfa; Cfb; Csa; Csb; Dfb; Et","dbh_min_cm":"0.5","dbh_max_cm":"61.5","sample_size":"5397","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"power-law","r_squared":"0.937","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"F multi","original_data_availability":"Yes","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl). Dbh ranges actually correspond to dba ranges in original publication."},{"ref_id":"paul_2016_ttgo","equation_id":"22dc5e","equation_allometry":"exp((2.428*log(1.488+1.195*dbh)-3.007)*1.1273)","equation_form":"exp(a*log(dba))-b*CF","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Shrubs","allometry_specificity":"Woody species","equation_categ":"generic","geographic_area":"Australia","original_coord":"NRA","lat":"NRA","long":"NRA","elev_m":"NRA","mat_C":"18.2","min.temp_C":"NI","max.temp_C":"NI","map_mm":"539","frost_free_period_days":"NRA","stand_age_range_yr":"51 yrs","stand_age_history":"Managed by timber removal but undisturbed since the last 40 yrs","stand_basal_area_m2_ha":"NRA","stand_trees_ha":"NRA","forest_description":"NRA","ecosystem_type":"Tropical, temperate, xeric shrubland, mountain grass and shrubland","koppen":"Af; Am; Aw; BSh; BSk; BWh; Bwk; Cfa; Cfb; Csa; Csb; Dfb; Et","dbh_min_cm":"0.3","dbh_max_cm":"50","sample_size":"2383","collection_year":"NI","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"power-law","r_squared":"0.968","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_equation_id":"F shrub","original_data_availability":"Yes","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl). Dbh ranges actually correspond to dba ranges in original publication."},{"ref_id":"perala_1994_abef","equation_id":"1badac","equation_allometry":"0.0752*(dbh^2.497)","equation_form":"a*(dbh^b)","dependent_variable":"Whole tree (above stump)","independent_variable":"DBH","equation_taxa":"Abies balsamea","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Minnesota, USA","original_coord":"47°05'N, 93°22W","lat":"47.08","long":"-93.37","elev_m":"387","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"51 yrs","stand_age_history":"Commercial stands, harvested and regenerated multiple times","stand_basal_area_m2_ha":"26.9","stand_trees_ha":"1873","forest_description":"Aspen (Populus) forest on the upper Great Lake (USA)","ecosystem_type":"Temperate forest","koppen":"Dfa; Dfb","dbh_min_cm":"2.5","dbh_max_cm":"40","sample_size":"60","collection_year":"1990","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"0","original_equation_id":"Balsam fir","original_data_availability":"NRA"},{"ref_id":"perala_1994_abef","equation_id":"4dbcb0","equation_allometry":"0.08227*(dbh^2.094)*((4.183*dbh^0.4558)^0.4728)","equation_form":"a*(dbh^b)*h^c","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Acer rubrum","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Michigan, Upper Great Lakes, USA","original_coord":"46°39' N, 89°13' W","lat":"46.7","long":"-89.2","elev_m":"228","geography_notes":"Coordinates here given for Baltimore Flats (Michigan) however study site extends to the west.","mat_C":"4.5","min.temp_C":"NI","max.temp_C":"NI","map_mm":"770","frost_free_period_days":"NI","stand_age_range_yr":"46-66 yrs","stand_age_history":"Commercial stands, harvested and regenerated multiple times","stand_basal_area_m2_ha":"12.6","stand_trees_ha":"3192","forest_description":"Aspen (Populus) forest on the upper Great Lake (USA)","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"2.5","dbh_max_cm":"35","sample_size":"45","collection_year":"1977","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"0.991","other_equations_tested":"NI","log_biomass":"0","original_equation_id":"Acer rubrum L.","original_data_availability":"NRA","equation_notes":"Assuming minimum dbh of 2.5 cm for all trees in study (minimum dbh for saplings). Height coefficients included in allometries here for easy access. Soils aspect excluded."},{"ref_id":"perala_1994_abef","equation_id":"3f7dc4","equation_allometry":"0.06273*(dbh^1.995)*((4.804*dbh^0.5026)^0.7354)","equation_form":"a*(dbh^b)*h^c","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Acer saccharum","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Michigan, Upper Great Lakes, USA","original_coord":"46°39' N, 89°13' W","lat":"46.7","long":"-89.2","elev_m":"228","geography_notes":"Coordinates here given for Baltimore Flats (Michigan) however study site extends to the west.","mat_C":"4.5","min.temp_C":"NI","max.temp_C":"NI","map_mm":"770","frost_free_period_days":"NI","stand_age_range_yr":"46-67 yrs","stand_age_history":"Commercial stands, harvested and regenerated multiple times","stand_basal_area_m2_ha":"12.6","stand_trees_ha":"3192","forest_description":"Aspen (Populus) forest on the upper Great Lake (USA)","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"2.5","dbh_max_cm":"35","sample_size":"45","collection_year":"1977","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"1.991","other_equations_tested":"NI","log_biomass":"0","original_equation_id":"Acer saccharum Marsh.","original_data_availability":"NRA","equation_notes":"Assuming minimum dbh of 2.5 cm for all trees in study (minimum dbh for saplings). Height coefficients included in allometries here for easy access. Soils aspect excluded."},{"ref_id":"perala_1994_abef","equation_id":"27bb50","equation_allometry":"0.08724*(dbh^2.087)*((2.678*dbh^0.6682)^0.4466)","equation_form":"a*(dbh^b)*h^c","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Betula alleghaniensis","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Michigan, Upper Great Lakes, USA","original_coord":"46°39' N, 89°13' W","lat":"46.7","long":"-89.2","elev_m":"228","geography_notes":"Coordinates here given for Baltimore Flats (Michigan) however study site extends to the west.","mat_C":"4.5","min.temp_C":"NI","max.temp_C":"NI","map_mm":"770","frost_free_period_days":"NI","stand_age_range_yr":"46-69 yrs","stand_age_history":"Commercial stands, harvested and regenerated multiple times","stand_basal_area_m2_ha":"12.6","stand_trees_ha":"3192","forest_description":"Aspen (Populus) forest on the upper Great Lake (USA)","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"2.5","dbh_max_cm":"35","sample_size":"45","collection_year":"1977","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"3.991","other_equations_tested":"NI","log_biomass":"0","original_equation_id":"Betula alleghaniensis Britt.","original_data_availability":"NRA","equation_notes":"Assuming minimum dbh of 2.5 cm for all trees in study (minimum dbh for saplings). Height coefficients included in allometries here for easy access. Soils aspect excluded. There is a mistake in coefficient b in original equation (value should be 2.087)"},{"ref_id":"perala_1994_abef","equation_id":"279e6c","equation_allometry":"0.06815*(dbh^2.194)*((3.432*dbh^0.5255)^0.4466)","equation_form":"a*(dbh^b)*h^c","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Betula papyrifera","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Michigan, Upper Great Lakes, USA","original_coord":"46°39' N, 89°13' W","lat":"46.7","long":"-89.2","elev_m":"228","geography_notes":"Coordinates here given for Baltimore Flats (Michigan) however study site extends to the west.","mat_C":"4.5","min.temp_C":"NI","max.temp_C":"NI","map_mm":"770","frost_free_period_days":"NI","stand_age_range_yr":"46-70 yrs","stand_age_history":"Commercial stands, harvested and regenerated multiple times","stand_basal_area_m2_ha":"12.6","stand_trees_ha":"3192","forest_description":"Aspen (Populus) forest on the upper Great Lake (USA)","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"2.5","dbh_max_cm":"35","sample_size":"45","collection_year":"1977","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"4.991","other_equations_tested":"NI","log_biomass":"0","original_equation_id":"Betula papyrifera Marsh.","original_data_availability":"NRA","equation_notes":"Assuming minimum dbh of 2.5 cm for all trees in study (minimum dbh for saplings). Height coefficients included in allometries here for easy access. Soils aspect excluded."},{"ref_id":"perala_1994_abef","equation_id":"f7bf9a","equation_allometry":"0.06513*(dbh^2.193)*((3.272*dbh^0.5438)^0.4675)","equation_form":"a*(dbh^b)*h^c","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Betulaceae","allometry_specificity":"Family","equation_categ":"fa_spec","geographic_area":"Michigan, Upper Great Lakes, USA","original_coord":"46°39' N, 89°13' W","lat":"46.7","long":"-89.2","elev_m":"228","geography_notes":"Coordinates here given for Baltimore Flats (Michigan) however study site extends to the west.","mat_C":"4.5","min.temp_C":"NI","max.temp_C":"NI","map_mm":"770","frost_free_period_days":"NI","stand_age_range_yr":"46-68 yrs","stand_age_history":"Commercial stands, harvested and regenerated multiple times","stand_basal_area_m2_ha":"12.6","stand_trees_ha":"3192","forest_description":"Aspen (Populus) forest on the upper Great Lake (USA)","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"2.5","dbh_max_cm":"35","sample_size":"45","collection_year":"1977","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"2.991","other_equations_tested":"NI","log_biomass":"0","original_equation_id":"Betulaceae","original_data_availability":"NRA","equation_notes":"Assuming minimum dbh of 2.5 cm for all trees in study (minimum dbh for saplings). Height coefficients included in allometries here for easy access. Soils aspect excluded."},{"ref_id":"perala_1994_abef","equation_id":"5b2b7b","equation_allometry":"0.0185*(dbh^1.329)*((3.433*dbh^0.577)^1.766)","equation_form":"a*(dbh^b)*h^c","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Fraxinus","allometry_specificity":"Genus","equation_categ":"genus_spec","geographic_area":"Michigan, Upper Great Lakes, USA","original_coord":"46°39' N, 89°13' W","lat":"46.7","long":"-89.2","elev_m":"228","geography_notes":"Coordinates here given for Baltimore Flats (Michigan) however study site extends to the west.","mat_C":"4.5","min.temp_C":"NI","max.temp_C":"NI","map_mm":"770","frost_free_period_days":"NI","stand_age_range_yr":"46-71 yrs","stand_age_history":"Commercial stands, harvested and regenerated multiple times","stand_basal_area_m2_ha":"12.6","stand_trees_ha":"3192","forest_description":"Aspen (Populus) forest on the upper Great Lake (USA)","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"2.5","dbh_max_cm":"35","sample_size":"45","collection_year":"1977","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"5.991","other_equations_tested":"NI","log_biomass":"0","original_equation_id":"Fraxinus americana L, F. nigra Marsh, F. pennsylvanica Marsh.","original_data_availability":"NRA","equation_notes":"Assuming minimum dbh of 2.5 cm for all trees in study (minimum dbh for saplings). Height coefficients included in allometries here for easy access. Soils aspect excluded."},{"ref_id":"perala_1994_abef","equation_id":"fe5d4f","equation_allometry":"0.06506*(dbh^2.269)*((4.932*dbh^0.4183)^0.3964)","equation_form":"a*(dbh^b)*h^c","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Ostrya virginiana","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Michigan, Upper Great Lakes, USA","original_coord":"46°39' N, 89°13' W","lat":"46.7","long":"-89.2","elev_m":"228","geography_notes":"Coordinates here given for Baltimore Flats (Michigan) however study site extends to the west.","mat_C":"4.5","min.temp_C":"NI","max.temp_C":"NI","map_mm":"770","frost_free_period_days":"NI","stand_age_range_yr":"46-72 yrs","stand_age_history":"Commercial stands, harvested and regenerated multiple times","stand_basal_area_m2_ha":"12.6","stand_trees_ha":"3192","forest_description":"Aspen (Populus) forest on the upper Great Lake (USA)","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"2.5","dbh_max_cm":"35","sample_size":"45","collection_year":"1977","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"6.991","other_equations_tested":"NI","log_biomass":"0","original_equation_id":"Ostrya virginiana (Mill) K. Koch","original_data_availability":"NRA","equation_notes":"Assuming minimum dbh of 2.5 cm for all trees in study (minimum dbh for saplings). Height coefficients included in allometries here for easy access. Soils aspect excluded."},{"ref_id":"perala_1994_abef","equation_id":"9524d0","equation_allometry":"0.04072*(dbh^2.211)*((3.45*dbh^0.5412)^0.5304)","equation_form":"a*(dbh^b)*h^c","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Populus grandidentata","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Michigan, Upper Great Lakes, USA","original_coord":"46°39' N, 89°13' W","lat":"46.7","long":"-89.2","elev_m":"228","geography_notes":"Coordinates here given for Baltimore Flats (Michigan) however study site extends to the west.","mat_C":"4.5","min.temp_C":"NI","max.temp_C":"NI","map_mm":"770","frost_free_period_days":"NI","stand_age_range_yr":"46-74 yrs","stand_age_history":"Commercial stands, harvested and regenerated multiple times","stand_basal_area_m2_ha":"12.6","stand_trees_ha":"3192","forest_description":"Aspen (Populus) forest on the upper Great Lake (USA)","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"2.5","dbh_max_cm":"35","sample_size":"45","collection_year":"1977","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"8.991","other_equations_tested":"NI","log_biomass":"0","original_equation_id":"Populus grandidentata Michx.","original_data_availability":"NRA","equation_notes":"Assuming minimum dbh of 2.5 cm for all trees in study (minimum dbh for saplings). Height coefficients included in allometries here for easy access. Soils aspect excluded."},{"ref_id":"perala_1994_abef","equation_id":"989f49","equation_allometry":"0.1335*(dbh^2.422)*((3.706*dbh^0.4932)^0.4389)","equation_form":"a*(dbh^b)*h^c","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Quercus rubra","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Michigan, Upper Great Lakes, USA","original_coord":"46°39' N, 89°13' W","lat":"46.7","long":"-89.2","elev_m":"228","geography_notes":"Coordinates here given for Baltimore Flats (Michigan) however study site extends to the west.","mat_C":"4.5","min.temp_C":"NI","max.temp_C":"NI","map_mm":"770","frost_free_period_days":"NI","stand_age_range_yr":"46-75 yrs","stand_age_history":"Commercial stands, harvested and regenerated multiple times","stand_basal_area_m2_ha":"12.6","stand_trees_ha":"3192","forest_description":"Aspen (Populus) forest on the upper Great Lake (USA)","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"2.5","dbh_max_cm":"35","sample_size":"45","collection_year":"1977","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"9.991","other_equations_tested":"NI","log_biomass":"0","original_equation_id":"Quercus rubra L.","original_data_availability":"NRA","equation_notes":"Assuming minimum dbh of 2.5 cm for all trees in study (minimum dbh for saplings). Height coefficients included in allometries here for easy access. Soils aspect excluded. Using generic coefficient for height- from page 25 in original publication"},{"ref_id":"perala_1994_abef","equation_id":"de1986","equation_allometry":"0.03824*(dbh^2.190)*((2.218*dbh^0.5335)^0.5987)","equation_form":"a*(dbh^b)*h^c","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Salicaceae","allometry_specificity":"Family","equation_categ":"fa_spec","geographic_area":"Michigan, Upper Great Lakes, USA","original_coord":"46°39' N, 89°13' W","lat":"46.7","long":"-89.2","elev_m":"228","geography_notes":"Coordinates here given for Baltimore Flats (Michigan) however study site extends to the west.","mat_C":"4.5","min.temp_C":"NI","max.temp_C":"NI","map_mm":"770","frost_free_period_days":"NI","stand_age_range_yr":"46-73 yrs","stand_age_history":"Commercial stands, harvested and regenerated multiple times","stand_basal_area_m2_ha":"12.6","stand_trees_ha":"3192","forest_description":"Aspen (Populus) forest on the upper Great Lake (USA)","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"2.5","dbh_max_cm":"35","sample_size":"45","collection_year":"1977","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"7.991","other_equations_tested":"NI","log_biomass":"0","original_equation_id":"Salicaceae","original_data_availability":"NRA","equation_notes":"Assuming minimum dbh of 2.5 cm for all trees in study (minimum dbh for saplings). Height coefficients included in allometries here for easy access. Soils aspect excluded."},{"ref_id":"perala_1994_abef","equation_id":"f22133","equation_allometry":"0.09101*(dbh^2.234)*((1.81*dbh^0.5847)^0.4389)","equation_form":"a*(dbh^b)*h^c","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Thuja occidentalis","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Michigan, Upper Great Lakes, USA","original_coord":"46°39' N, 89°13' W","lat":"46.7","long":"-89.2","elev_m":"228","geography_notes":"Coordinates here given for Baltimore Flats (Michigan) however study site extends to the west.","mat_C":"4.5","min.temp_C":"NI","max.temp_C":"NI","map_mm":"770","frost_free_period_days":"NI","stand_age_range_yr":"46-76 yrs","stand_age_history":"Commercial stands, harvested and regenerated multiple times","stand_basal_area_m2_ha":"12.6","stand_trees_ha":"3192","forest_description":"Aspen (Populus) forest on the upper Great Lake (USA)","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"2.5","dbh_max_cm":"35","sample_size":"45","collection_year":"1977","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"10.991","other_equations_tested":"NI","log_biomass":"0","original_equation_id":"Thuja occidentalis L.","original_data_availability":"NRA","equation_notes":"Assuming minimum dbh of 2.5 cm for all trees in study (minimum dbh for saplings). Height coefficients included in allometries here for easy access. Soils aspect excluded. Using generic coefficient for height- from page 25 in original publication"},{"ref_id":"perala_1994_abef","equation_id":"22b934","equation_allometry":"0.02322*(dbh^2.026)*((4.9*dbh^0.3938)^0.8327)","equation_form":"a*(dbh^b)*h^c","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Tilia americana","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Michigan, Upper Great Lakes, USA","original_coord":"46°39' N, 89°13' W","lat":"46.7","long":"-89.2","elev_m":"228","geography_notes":"Coordinates here given for Baltimore Flats (Michigan) however study site extends to the west.","mat_C":"4.5","min.temp_C":"NI","max.temp_C":"NI","map_mm":"770","frost_free_period_days":"NI","stand_age_range_yr":"46-77 yrs","stand_age_history":"Commercial stands, harvested and regenerated multiple times","stand_basal_area_m2_ha":"12.6","stand_trees_ha":"3192","forest_description":"Aspen (Populus) forest on the upper Great Lake (USA)","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"2.5","dbh_max_cm":"35","sample_size":"45","collection_year":"1977","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"11.991","other_equations_tested":"NI","log_biomass":"0","original_equation_id":"Tilia americana L.","original_data_availability":"NRA","equation_notes":"Assuming minimum dbh of 2.5 cm for all trees in study (minimum dbh for saplings). Height coefficients included in allometries here for easy access. Soils aspect excluded."},{"ref_id":"perala_1994_abef","equation_id":"544d37","equation_allometry":"0.1710*(dbh^2.181)*((2.313*dbh^0.562)^0.4389)","equation_form":"a*(dbh^b)*h^c","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Trees (Angiosperms/Gymnosperms)","allometry_specificity":"Woody species","equation_categ":"generic","geographic_area":"Michigan, Upper Great Lakes, USA","original_coord":"46°39' N, 89°13' W","lat":"46.7","long":"-89.2","elev_m":"228","geography_notes":"Coordinates here given for Baltimore Flats (Michigan) however study site extends to the west.","mat_C":"4.5","min.temp_C":"NI","max.temp_C":"NI","map_mm":"770","frost_free_period_days":"NI","stand_age_range_yr":"46-79 yrs","stand_age_history":"Commercial stands, harvested and regenerated multiple times","stand_basal_area_m2_ha":"12.6","stand_trees_ha":"3192","forest_description":"Aspen (Populus) forest on the upper Great Lake (USA)","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"3","dbh_max_cm":"47","sample_size":"773","collection_year":"1977","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"13.991","other_equations_tested":"NI","log_biomass":"0","original_equation_id":"Generic","original_data_availability":"NRA","equation_notes":"Height coefficients included in allometries here for easy access. Soils aspect excluded."},{"ref_id":"perala_1994_abef","equation_id":"521fb2","equation_allometry":"0.08248*(dbh^2.468)*((2.268*dbh^0.6341)^0.4389)","equation_form":"a*(dbh^b)*h^c","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Ulmus americana","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Michigan, Upper Great Lakes, USA","original_coord":"46°39' N, 89°13' W","lat":"46.7","long":"-89.2","elev_m":"228","geography_notes":"Coordinates here given for Baltimore Flats (Michigan) however study site extends to the west.","mat_C":"4.5","min.temp_C":"NI","max.temp_C":"NI","map_mm":"770","frost_free_period_days":"NI","stand_age_range_yr":"46-78 yrs","stand_age_history":"Commercial stands, harvested and regenerated multiple times","stand_basal_area_m2_ha":"12.6","stand_trees_ha":"3192","forest_description":"Aspen (Populus) forest on the upper Great Lake (USA)","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"2.5","dbh_max_cm":"35","sample_size":"45","collection_year":"1977","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"linear, log-transformed","r_squared":"12.991","other_equations_tested":"NI","log_biomass":"0","original_equation_id":"Ulmus americana L.","original_data_availability":"NRA","equation_notes":"Assuming minimum dbh of 2.5 cm for all trees in study (minimum dbh for saplings). Height coefficients included in allometries here for easy access. Soils aspect excluded. Using generic coefficient for height- from page 25 in original publication"},{"ref_id":"reiners_1972_saeo","equation_id":"529234","equation_allometry":"10^(2.0865+0.9449*(log10(dbh)))","equation_form":"10^(a+b*(log10(dbh)))","dependent_variable":"Foliage","independent_variable":"DBH","equation_taxa":"Amelanchier","allometry_specificity":"Genus","equation_categ":"genus_spec","geographic_area":"Minnesota, USA","original_coord":"NI","lat":"45.4","long":"-93.2","elev_m":"275","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Cedar swamp forest dominated by Thuja occidentalis, upland oak forest dominated by Quercus ellipsoidalis","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"5","dbh_max_cm":"45","sample_size":"20","collection_year":"1970","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","r_squared":"0.986","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_equation_id":"Amelanchier sp.","original_data_availability":"NRA"},{"ref_id":"reiners_1972_saeo","equation_id":"96c0af","equation_allometry":"10^(2.5368+1.3197*(log10(dbh)))","equation_form":"10^(a+b*(log10(dbh)))","dependent_variable":"Branches (live, dead)","independent_variable":"DBH","equation_taxa":"Amelanchier","allometry_specificity":"Genus","equation_categ":"genus_spec","geographic_area":"Minnesota, USA","original_coord":"NI","lat":"45.4","long":"-93.2","elev_m":"275","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Cedar swamp forest dominated by Thuja occidentalis, upland oak forest dominated by Quercus ellipsoidalis","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"5","dbh_max_cm":"45","sample_size":"20","collection_year":"1970","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","r_squared":"0.999","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_equation_id":"Amelanchier sp.","original_data_availability":"NRA"},{"ref_id":"reiners_1972_saeo","equation_id":"4bc29b","equation_allometry":"10^(2.2788+1.7674*(log10(dbh)))","equation_form":"10^(a+b*(log10(dbh)))","dependent_variable":"Bark","independent_variable":"DBH","equation_taxa":"Amelanchier","allometry_specificity":"Genus","equation_categ":"genus_spec","geographic_area":"Minnesota, USA","original_coord":"NI","lat":"45.4","long":"-93.2","elev_m":"275","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Cedar swamp forest dominated by Thuja occidentalis, upland oak forest dominated by Quercus ellipsoidalis","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"5","dbh_max_cm":"45","sample_size":"20","collection_year":"1970","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","r_squared":"0.957","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_equation_id":"Amelanchier sp.","original_data_availability":"NRA"},{"ref_id":"reiners_1972_saeo","equation_id":"bda34f","equation_allometry":"10^(2.9898+2.1314*(log10(dbh)))","equation_form":"10^(a+b*(log10(dbh)))","dependent_variable":"Stem biomass (without bark)","independent_variable":"DBH","equation_taxa":"Amelanchier","allometry_specificity":"Genus","equation_categ":"genus_spec","geographic_area":"Minnesota, USA","original_coord":"NI","lat":"45.4","long":"-93.2","elev_m":"275","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Cedar swamp forest dominated by Thuja occidentalis, upland oak forest dominated by Quercus ellipsoidalis","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"5","dbh_max_cm":"45","sample_size":"20","collection_year":"1970","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","r_squared":"0.999","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_equation_id":"Amelanchier sp.","original_data_availability":"NRA"},{"ref_id":"reiners_1972_saeo","equation_id":"e58bf6","equation_allometry":"10^(2.0865+0.9449*(log10(dbh))) + 10^(2.5368+1.3197*(log10(dbh))) + 10^(2.2788+1.7674*(log10(dbh))) + 10^(2.9898+2.1314*(log10(dbh)))","equation_form":"10^(a+b*(log10(dbh)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Amelanchier","allometry_specificity":"Genus","equation_categ":"genus_spec","geographic_area":"Minnesota, USA","original_coord":"NI","lat":"45.4","long":"-93.2","elev_m":"275","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Cedar swamp forest dominated by Thuja occidentalis, upland oak forest dominated by Quercus ellipsoidalis","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"5","dbh_max_cm":"45","sample_size":"20","collection_year":"1970","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"0","original_equation_id":"Amelanchier sp.","original_data_availability":"NRA","equation_notes":"This equation is not in original pub, we combined plant parts here to obtain AGB."},{"ref_id":"russell_2005_ebic","equation_id":"c94845","equation_allometry":"(51.68+0.02)*(1.488+1.195*dbh)","equation_form":"a+b*BA","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Baccharis pilularis","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"California, USA","original_coord":"NI","lat":"38","long":"-122.8","elev_m":"129","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"Site burned in 1995, frequent","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Early-successional Baccharis-dominated scrub, area surrounded by stands of Douglas-fir (Pseudotsuga menziesii)","ecosystem_type":"Coastal","koppen":"CSb","dbh_min_cm":"0.3","dbh_max_cm":"5","sample_size":"NI","collection_year":"2002","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"linear","r_squared":"0.53","log_biomass":"0","bias_corrected":"1","bias_correction_factor":"included in model","notes_fitting_model":"Several transformations of the biomass variable were tested including square root cubic root and natural log.","original_data_availability":"NRA","equation_notes":"Original publication uses Basal area (BA)=Diameter of all stems measured 5 cm above ground in a 1x1m plot then sum to obtain basal area. Here we use the model from Paul et al 2016 to calculate BA based on dbh. Also, dbh correspond to stem basal diameter measured for B. pilularis on a similar publication."},{"ref_id":"schubert_1988_efpb","equation_id":"7da4c9","equation_allometry":"exp(-2.5049+1.256*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Eucalyptus globulus","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Hawaii, USA","original_coord":"19°50'N, 155°09'W","lat":"19.83","long":"-155.15","elev_m":"420-480","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"6000","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Plantations, introduced species dominant","ecosystem_type":"Subtropical forest","koppen":"Af; Cfb","dbh_min_cm":"2","dbh_max_cm":"16","sample_size":"15","collection_year":"1988","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"log-transformed","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_data_availability":"NRA"},{"ref_id":"siccama_1994_ctae","equation_id":"6d2167b","equation_allometry":"10^(2.0537+2.4793*(log10(dbh)))","equation_form":"10^(a+b*(log10(dbh)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Acer saccharum","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"New Hampshire, USA","original_coord":"NI","lat":"43.9","long":"-71.7","elev_m":"546-791","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"14.75","min.temp_C":"-12","max.temp_C":"17.5","map_mm":"1250","frost_free_period_days":"NI","climate_notes":"Climate is cool temperate, humid continental","stand_age_range_yr":"79 yrs","stand_age_history":"Site probably burned between 1856 and 1860, then logged ~1910. The forest has been undisturbed\n since 1917.","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"The forest is of northern hardwoods, dominated by Acer saccharum, Fagus grandifolia, and Betula lutea (or B. alleghaniensis), but it is close to the transition to boreal or subalpine forest dominated by Picea rubens and Abies balsamea","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"1","dbh_max_cm":"63","sample_size":"14","collection_year":"1973","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","r_squared":"0.999","other_equations_tested":"linear","log_biomass":"1","bias_corrected":"0","original_equation_id":"Acer saccharum","original_data_availability":"NRA"},{"ref_id":"siccama_1994_ctae","equation_id":"9f48fb","equation_allometry":"10^(2.1047+2.4417*(log10(dbh)))","equation_form":"10^(a+b*(log10(dbh)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Betula alleghaniensis","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"New Hampshire, USA","original_coord":"NI","lat":"43.9","long":"-71.7","elev_m":"546-791","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"14.75","min.temp_C":"-12","max.temp_C":"17.5","map_mm":"1250","frost_free_period_days":"NI","climate_notes":"Climate is cool temperate, humid continental","stand_age_range_yr":"66 yrs","stand_age_history":"Site probably burned between 1856 and 1860, then logged ~1910. The forest has been undisturbed\n since 1917.","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"The forest is of northern hardwoods, dominated by Acer saccharum, Fagus grandifolia, and Betula lutea (or B. alleghaniensis), but it is close to the transition to boreal or subalpine forest dominated by Picea rubens and Abies balsamea","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"1","dbh_max_cm":"63","sample_size":"14","collection_year":"1973","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","r_squared":"0.997","other_equations_tested":"linear","log_biomass":"1","bias_corrected":"0","original_equation_id":"Betula lutea","original_data_availability":"NRA"},{"ref_id":"siccama_1994_ctae","equation_id":"281635","equation_allometry":"10^(2.1112+2.462*(log10(dbh)))","equation_form":"10^(a+b*(log10(dbh)))","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Fagus grandifolia","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"New Hampshire, USA","original_coord":"NI","lat":"43.9","long":"-71.7","elev_m":"546-791","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"14.75","min.temp_C":"-12","max.temp_C":"17.5","map_mm":"1250","frost_free_period_days":"NI","climate_notes":"Climate is cool temperate, humid continental","stand_age_range_yr":"106 yrs","stand_age_history":"Site probably burned between 1856 and 1860, then logged ~1910. The forest has been undisturbed\n since 1917.","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"The forest is of northern hardwoods, dominated by Acer saccharum, Fagus grandifolia, and Betula lutea (or B. alleghaniensis), but it is close to the transition to boreal or subalpine forest dominated by Picea rubens and Abies balsamea","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"1","dbh_max_cm":"63","sample_size":"14","collection_year":"1973","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"log-log transformed (base10)","r_squared":"0.997","other_equations_tested":"linear","log_biomass":"1","bias_corrected":"0","original_equation_id":"Fagus grandifolia","original_data_availability":"NRA"},{"ref_id":"singh_1984_befs","equation_id":"a5d599","equation_allometry":"7.06302-(3.01775*dbh)+(0.48754*dbh^2)-(0.003298*dbh^3)","equation_form":"a+(b*dbh)+c*(dbh^2)+d*(dbh^3)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Larix laricina","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Northwest Territory, Canada","original_coord":"NI","lat":"60.8","long":"-115.8","elev_m":"165","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"NI","ecosystem_type":"Boreal forest","koppen":"Dfc","dbh_min_cm":"5","dbh_max_cm":"35","sample_size":"56","collection_year":"1981","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"least-square","r_squared":"0.97","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"0","original_equation_id":"tamarack larch","original_data_availability":"NRA"},{"ref_id":"singh_1984_befs","equation_id":"ae60e9","equation_allometry":"36.56038-(10.62749*dbh)+(0.93837*dbh^2)-(0.01032*dbh^3)","equation_form":"a+(b*dbh)+c*(dbh^2)+d*(dbh^3)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Picea glauca","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Northwest Territory, Canada","original_coord":"NI","lat":"60.8","long":"-115.8","elev_m":"165","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"NI","ecosystem_type":"Boreal forest","koppen":"Dfc","dbh_min_cm":"5","dbh_max_cm":"35","sample_size":"61","collection_year":"1981","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"least-square","r_squared":"0.94","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"0","original_equation_id":"white spruce","original_data_availability":"NRA"},{"ref_id":"singh_1984_befs","equation_id":"b47d78","equation_allometry":"1.51752-(0.9688*dbh)+(0.29833*dbh^2)+(0.00092*dbh^3)","equation_form":"a+(b*dbh)+c*(dbh^2)+d*(dbh^3)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Picea mariana","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Northwest Territory, Canada","original_coord":"NI","lat":"60.8","long":"-115.8","elev_m":"165","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"NI","ecosystem_type":"Boreal forest","koppen":"Dfc","dbh_min_cm":"5","dbh_max_cm":"35","sample_size":"51","collection_year":"1981","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"least-square","r_squared":"0.92","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"0","original_equation_id":"black spruce","original_data_availability":"NRA"},{"ref_id":"singh_1984_befs","equation_id":"a5de78","equation_allometry":"((-95.54713)+(21.16062*dbh)-1.04327*(dbh^2)+0.02434*(dbh^3))","equation_form":"a+(b*dbh)+c*(dbh^2)+d*(dbh^3)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Pinus banksiana","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Northwest Territory, Canada","original_coord":"NI","lat":"60.8","long":"-115.8","elev_m":"165","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"NI","ecosystem_type":"Boreal forest","koppen":"Dfc","dbh_min_cm":"10","dbh_max_cm":"35","sample_size":"56","collection_year":"1981","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"harvest","regression_model":"least-square","r_squared":"0.93","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"0","original_equation_id":"jack pine","original_data_availability":"NRA"},{"ref_id":"smith_1983_abef","equation_id":"76aa3c","equation_allometry":"38.111*((1.488+1.195*dbh)^2.9)","equation_form":"a*(dba^b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Hamamelis virginiana","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"New Brunswick, Canada","original_coord":"NI","lat":"45.97","long":"-66.54","elev_m":"117","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mixed forest","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"0.18","dbh_max_cm":"4.31","sample_size":"21","collection_year":"1969","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"linear","r_squared":"0.99","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","original_data_availability":"NRA","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl)"},{"ref_id":"smith_1983_abef","equation_id":"28dce6","equation_allometry":"51.996*((1.488+1.195*dbh)^2.77)","equation_form":"a*(dba^b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Lonicera canadensis","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"New Brunswick, Canada","original_coord":"NI","lat":"45.97","long":"-66.54","elev_m":"117","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mixed forest","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"0.12","dbh_max_cm":"0.69","sample_size":"20","collection_year":"1969","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"linear","r_squared":"0.96","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","original_data_availability":"NRA","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl)"},{"ref_id":"smith_1983_abef","equation_id":"a1646f","equation_allometry":"37.637*((1.488+1.195*dbh)^2.779)","equation_form":"a*(dba^b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Rosa","allometry_specificity":"Genus","equation_categ":"genus_spec","geographic_area":"Idaho/Montana, USA","original_coord":"NI","lat":"48.5","long":"-116.32","elev_m":"1200","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mixed forest","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"0.2","dbh_max_cm":"1.2","sample_size":"32","collection_year":"1976","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"linear","r_squared":"0.96","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","original_data_availability":"NRA","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl)"},{"ref_id":"smith_1983_abef","equation_id":"b61369","equation_allometry":"43.992*((1.488+1.195*dbh)^2.86)","equation_form":"a*(dba^b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Rubus idaeus","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Idaho/Montana, USA","original_coord":"NI","lat":"48.5","long":"-116.32","elev_m":"1200","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mixed forest","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"0.3","dbh_max_cm":"0.9","sample_size":"26","collection_year":"1976","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"linear","r_squared":"0.89","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","original_data_availability":"NRA","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl)"},{"ref_id":"smith_1983_abef","equation_id":"5e2dea","equation_allometry":"29.615*((1.488+1.195*dbh)^3.243)","equation_form":"a*(dba^b)","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Viburnum lantanoides","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"New Brunswick, Canada","original_coord":"NI","lat":"45.97","long":"-66.54","elev_m":"117","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"NI","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mixed forest","ecosystem_type":"Temperate forest","koppen":"Dfb","dbh_min_cm":"0.28","dbh_max_cm":"1.59","sample_size":"19","collection_year":"1969","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"g","output_units_CF":"0.001","allometry_development_method":"harvest","regression_model":"linear","r_squared":"0.95","other_equations_tested":"NI","log_biomass":"0","bias_corrected":"1","original_data_availability":"NRA","equation_notes":"dba= stem basal diameter. Using stem diameter conversion model proposed by Paul et al. (2016) to obtain dba(10cm) using dbh (see their table S2, suppl)"},{"ref_id":"sneill_1983_pcwa","equation_id":"785080","equation_allometry":"exp(-2.8331+2.2969*log(dbh))*40.31","equation_form":"exp(a+(b*log(dbh)))*WD","dependent_variable":"Stem biomass (with bark)","independent_variable":"DBH","equation_taxa":"Arbutus menziesii","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Washington, Oregon, N California, USA","original_coord":"NI","lat":"42.4","long":"-124.1","elev_m":"1049","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"31-208 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"40-7100","forest_description":"National Forest lands, good and poor growing conditions","ecosystem_type":"Temperate forest","koppen":"Csb","dbh_min_cm":"2.54","dbh_max_cm":"63.5","sample_size":"31","collection_year":"1980","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"log-log transformed","r_squared":"0.97","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_data_availability":"Yes","equation_notes":"Arbutus menziesii wood density=645.704, bark density=1.05"},{"ref_id":"sneill_1983_pcwa","equation_id":"b45a32","equation_allometry":"exp(-0.7881+2.4839*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Crown (branches, foliage, twigs)","independent_variable":"DBH","equation_taxa":"Arbutus menziesii","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Washington, Oregon, N California, USA","original_coord":"NI","lat":"42.4","long":"-124.1","elev_m":"1049","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"31-208 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"40-7100","forest_description":"National Forest lands, good and poor growing conditions","ecosystem_type":"Temperate forest","koppen":"Csb","dbh_min_cm":"2.54","dbh_max_cm":"63.5","sample_size":"31","collection_year":"1980","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"log-log transformed","r_squared":"0.89","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_data_availability":"Yes"},{"ref_id":"sneill_1983_pcwa","equation_id":"c8c6f1","equation_allometry":"exp(-2.3938+2.2936*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Branches (dead)","independent_variable":"DBH","equation_taxa":"Arbutus menziesii","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Washington, Oregon, N California, USA","original_coord":"NI","lat":"42.4","long":"-124.1","elev_m":"1049","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"31-208 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"40-7100","forest_description":"National Forest lands, good and poor growing conditions","ecosystem_type":"Temperate forest","koppen":"Csb","dbh_min_cm":"2.54","dbh_max_cm":"63.5","sample_size":"31","collection_year":"1980","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"log-log 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and poor growing conditions","ecosystem_type":"Temperate forest","koppen":"Csb","dbh_min_cm":"2.54","dbh_max_cm":"63.5","sample_size":"31","collection_year":"1980","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"log-log transformed","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_data_availability":"Yes","equation_notes":"This equation is not in original pub, we combined plant parts here to obtain AGB."},{"ref_id":"sneill_1983_pcwa","equation_id":"5a774d","equation_allometry":"exp(-3.2751+2.5010*log(dbh))*41.62","equation_form":"exp(a+(b*log(dbh)))*WD","dependent_variable":"Stem biomass (with bark)","independent_variable":"DBH","equation_taxa":"Lithocarpus densiflorus","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Washington, Oregon, N California, USA","original_coord":"NI","lat":"42.4","long":"-124.1","elev_m":"1049","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"15-200 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"40-7100","forest_description":"National Forest lands, good and poor growing conditions","ecosystem_type":"Temperate forest","koppen":"Csb","dbh_min_cm":"2.54","dbh_max_cm":"66.04","sample_size":"31","collection_year":"1980","dbh_units_original":"inch","dbh_unit_CF":"0.393701","output_units_original":"lbs","output_units_CF":"0.453592","allometry_development_method":"harvest","regression_model":"log-log transformed","r_squared":"0.98","other_equations_tested":"NI","log_biomass":"1","bias_corrected":"1","original_data_availability":"Yes","equation_notes":"Lithocarpus densiflorus wood density=419.814, bark density=1.22"},{"ref_id":"sneill_1983_pcwa","equation_id":"870336","equation_allometry":"exp(-0.3169+2.2774*log(dbh))","equation_form":"exp(a+b*log(dbh))","dependent_variable":"Crown (branches, foliage, twigs)","independent_variable":"DBH","equation_taxa":"Lithocarpus densiflorus","allometry_specificity":"Species","equation_categ":"sp_spec","geographic_area":"Washington, Oregon, N California, USA","original_coord":"NI","lat":"42.4","long":"-124.1","elev_m":"1049","geography_notes":"Location estimated from brief description or regional map in original pub","mat_C":"NI","min.temp_C":"NI","max.temp_C":"NI","map_mm":"NI","frost_free_period_days":"NI","stand_age_range_yr":"15-200 yrs","stand_age_history":"NI","stand_basal_area_m2_ha":"NI","stand_trees_ha":"40-7100","forest_description":"National Forest lands, good and poor growing conditions","ecosystem_type":"Temperate 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regrowth.","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mixed deciduous forest.","ecosystem_type":"Temperate forest","koppen":"Cfa","dbh_min_cm":"10","dbh_max_cm":"47","sample_size":"86","collection_year":"2015","dbh_units_original":"cm","dbh_unit_CF":"1","output_units_original":"kg","output_units_CF":"1","allometry_development_method":"terrestrial laser scanning","regression_model":"log-transformed","r_squared":"0.92","other_equations_tested":"simple linear regresion, multiple linear regresion","log_biomass":"0","bias_corrected":"0","original_equation_id":"C","original_data_availability":"NRA"},{"ref_id":"stovall_2018_ibca","equation_id":"eeec57","equation_allometry":"exp(-1.9136+2.3513*log(dbh))+0.16","equation_form":"exp(a+b*log(dbh))+RMSE","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Liriodendron tulipifera","allometry_specificity":"Species","equation_categ":"sp_site_spec","geographic_area":"Virginia, 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include Fraxinus americana, Liriodendron tulipifera, and Nyssa sylvatica"},{"ref_id":"stovall_2018_ibca","equation_id":"6dced0","equation_allometry":"exp(-1.6637+2.3787*log(dbh))+0.29","equation_form":"exp(a+b*log(dbh))+RMSE","dependent_variable":"Total aboveground biomass","independent_variable":"DBH","equation_taxa":"Trees (Angiosperms)","allometry_specificity":"Woody species","equation_categ":"site_spec","geographic_area":"Virginia, USA","original_coord":"38°53’36.6” N, 78°8’43.4” W","lat":"38.89","long":"-78.15","elev_m":"278-338","mat_C":"12.7","min.temp_C":"NI","max.temp_C":"NI","map_mm":"970","frost_free_period_days":"NI","stand_age_range_yr":"100 yrs","stand_age_history":"This forest is nearly 100 years old and representative of many on the east coast of the U.S. experiencing post-agricultural regrowth.","stand_basal_area_m2_ha":"NI","stand_trees_ha":"NI","forest_description":"Mixed deciduous forest.","ecosystem_type":"Temperate 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