{
  "fields": [{"id":"_id","type":"int"},{"id":"Variable","type":"text","info":{"label":"Variable"}},{"id":"Definition","type":"text","info":{"label":"Definition"}},{"id":"Unit","type":"text","info":{"label":"Unit"}},{"id":"Mean","type":"numeric","info":{"label":"Mean"}},{"id":"std_","type":"numeric","info":{"label":"Std."}},{"id":"Source","type":"text","info":{"label":"Source"}},{"id":"Nominal Resolution","type":"text","info":{"label":"Nominal Resolution"}}],
  "records": [
    [1,"Response variables",null,null,null,null,null,null],
    [2,"P","Primary forest productivity measured in periodic annual increment in stem volume (PAI)","m3·ha-1·yr-1",7.57,14.52,"Author generated from volume data",null],
    [3,"Plot Attributes",null,null,null,null,null,null],
    [4,"S","Tree species richness, the number of live tree species observed on the plot","unitless",5.79,8.64,"ground-measured",null],
    [5,"A","Plot size, area of the sample plot","ha",0.04,0.12,"ground-measured",null],
    [6,"Y","Elapsed time between two consecutive inventories","year",8.63,11.62,"ground-measured",null],
    [7,"G","Basal area, total cross-sectional area of live trees measured at 1.3-1.4 m above ground","m2·ha-1",19,18.94,"Author generated from ground-measured data",null],
    [8,"E","Plot elevation","m",469.3,565.92,"G/SRTM(52)",null],
    [9,"I1","Indicator of plot tier","unitless",0.23,0.42,"Author generated from ground-measured data",null],
    [10,null,"I1=1 if a plot was Tier-2,",null,null,null,null,null],
    [11,null,"I1=0 if otherwise",null,null,null,null,null],
    [12,"I2","Indicator of plot size","unitless",1.43,0.8,"Author generated from ground-measured data",null],
    [13,null,"I2=1 when 0.01≤ps<0.05,",null,null,null,null,null],
    [14,null,"I2=2 when 0.05≤ps<0.15,",null,null,null,null,null],
    [15,null,"I2=3 when 0.15≤ps<0.50,",null,null,null,null,null],
    [16,null,"I2=4 when 0.50≤ps<1.00,",null,null,null,null,null],
    [17,null,"where ps was plot size (ha.)",null,null,null,null,null],
    [18,"Climatic Covariates",null,null,null,null,null,null],
    [19,"T1","Annual mean temperature","0.1°C",108.4,55.92,"WorldClim v.1(53)","1 km2"],
    [20,"T2","Isothermality","Unitless",35.43,7.05,"WorldClim v.1","1 km2"],
    [21,null,null,"index*100",null,null,null,null],
    [22,"T3","Temperature seasonality","Std.(0.001°C)",7786,2092.39,"WorldClim v.1","1 km2"],
    [23,"C1","Annual precipitation","mm",1020,388.35,"WorldClim v.1","1 km2"],
    [24,"C2","Precipitation seasonality (coefficient of variation)","Unitless%",27.54,16.38,"WorldClim v.1","1 km2"],
    [25,"C3","Precipitation of warmest","mm",282,120.88,"WorldClim v.1","1 km2"],
    [26,null,"quarter",null,null,null,null,null],
    [27,"PET","Global Potential Evapotranspiration","mm·yr-1",1063.43,271.8,"CGIAR-CSI(54)","1 km2"],
    [28,null,null,null,null,null,null,null],
    [29,"IAA","Indexed Annual Aridity","Unitless index*10-4",9915.09,4512.99,"CGIAR-CSI","1 km2"],
    [30,null,null,null,null,null,null,null],
    [31,"Soil Covariates",null,null,null,null,null,null],
    [32,"O1","Bulk density","g·cm-3",0.7,0.57,"WISE30sec v.1(55)","1 km2"],
    [33,"O2","pH measured in water","Unitless",3.72,2.8,"WISE30sec v.1","1 km2"],
    [34,"O3","Electrical conductivity","dS·m-1",0.44,0.76,"WISE30sec v.1","1 km2"],
    [35,"O4","C/N ratio","Unitless",9.64,7.78,"WISE30sec v.1","1 km2"],
    [36,"O5","Total nitrogen","g·kg-1",2.71,4.62,"WISE30sec v.1","1 km2"],
    [37,"Geographic Coordinates and Classification",null,null,null,null,null,null],
    [38,"LON","Longitude in WGS84 datum","degree",null,null,null,null],
    [39,"LAT","Latitude in WGS84 datum","degree",null,null,null,null],
    [40,"Ecoregion","Ecoregion defined by World Wildlife Fund(56)",null,null,null,null,null]
]}