Biomass Plot Library - Tree Level Observation Attributes.
Field |Format |Description (units)
fid |integer |Unique numeric identifer for data management purposes
obs_key |text |Unique identifier for site and visit for data management purposes
source |text |Organisation from which the tree measurement was sourced
project |text |The project for which the tree measurement was acquired
site |text |Name of the site the tree is from
survey |text |Name of the site survey the tree was measured
obs_time |date |Start date of the site survey (a single site survey may span several days)
plot |text |Name of the plot the tree is from
subplot |integer |Subplot identifier of the tree measurment for when variable size plots were used for different tree diameter classes
subplotarea_ha |double |Subplot area (ha)
subplotdmin |double |Minimum tree diameter measured in the subplot
tree |text |Tree identifier
species |text |Scientific name of the tree/shrub measured
condition |integer |Tree condition code used to set the decay factor (Lucas et al., 2010)
measurement |text |Diameter measurement height following tapering correction for allometric model (D10, DBH)
ht |double |Top height of tree/shrub (NULL if not measured)
nstems |integer |Number of stems measured for the tree/shrub
diameter |double |Taper-corrected quadratic mean diameter of the tree/shrub (explanatory variable in the allometric model)
agb_allometric_model |text |Name of the functional type above-ground biomass allometric model
agb_prediction_error |double |Above-ground biomass allometric model prediction standard error (kg2)
agb_correction_factor |double |Above-ground biomass correction factor
agb_predicted_lndrymass |double |Above-ground biomass log dry standing biomass of trees/shrubs (kg)
agb_drymass_allommcvar |double |Above-ground biomass allometric model moisture content variance (kg2)
agb_drymass_allomfmvar |double |Above-ground biomass allometric model fresh mass variance (kg2)
agb_drymass_allomdvar |double |Above-ground biomass allometric model stem diameter variance (kg2)
agb_drymass_allomfitvar |double |Above-ground biomass allometric model parameter fit variance (kg2)
agb_drymass_allompredvar |double |Above-ground biomass allometric model prediction variance (kg2)
agb_drymass_invdvar |double |Above-ground biomass inventory stem diameter variance (kg2)
agb_drymass_totalvar |double |Above-ground biomass total error variance (kg2)
agb_drymass |double |Above-ground dry standing biomass of tree/shrub (kg)
agb_drymass_sd |double |Above-ground dry standing biomass standard error of tree/shrub (kg)
bgb_allometric_model |text |Name of the functional type below-ground biomass allometric model
bgb_prediction_error |double |Below-ground biomass allometric model prediction standard error (kg2)
bgb_correction_factor |double |Below-ground biomass correction factor
bgb_predicted_lndrymass |double |Below-ground biomass log dry standing biomass of trees/shrubs (kg)
bgb_drymass_allommcvar |double |Below-ground biomass allometric model moisture content variance (kg2)
bgb_drymass_allomfmvar |double |Below-ground biomass allometric model fresh mass variance (kg2)
bgb_drymass_allomdvar |double |Below-ground biomass allometric model stem diameter variance (kg2)
bgb_drymass_allomfitvar |double |Below-ground biomass allometric model parameter fit variance (kg2)
bgb_drymass_allompredvar |double |Below-ground biomass allometric model prediction variance (kg2)
bgb_drymass_invdvar |double |Below-ground biomass inventory stem diameter variance (kg2)
bgb_drymass_totalvar |double |Below-ground biomass total error variance
bgb_drymass |double |Below-ground dry standing biomass of tree/shrub (kg)
bgb_drymass_sd |double |Below-ground dry standing biomass standard error of tree/shrub (kg)
tb_drymass_allommcvar |double |Total biomass allometric model moisture content variance (kg2)
tb_drymass_allomfmvar |double |Total biomass allometric model fresh mass variance (kg2)
tb_drymass_allomdvar |double |Total biomass allometric model stem diameter variance (kg2)
tb_drymass_allomfitvar |double |Total biomass allometric model parameter fit variance (kg2)
tb_drymass_allompredvar |double |Total biomass allometric model prediction variance (kg2)
tb_drymass_invdvar |double |Total biomass inventory stem diameter variance (kg2)
tb_drymass_totalvar |double |Total biomass total error variance
tb_drymass |double |Total dry standing biomass of tree/shrub (kg)
tb_drymass_sd |double |Total dry standing biomass standard error of tree/shrub (kg)