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)