Calibration data from the Biodiversity Exploratories project

Variable	Description	time span
`biomass[plot, year]`	Dried aboveground biomass, cutted at a height of 4 cm once per year in spring [g m⁻²]	2009 - 2022
`soilmoisture[plot, t]`	Daily soil moisture, data availability dependent on plots [%]	2009 - ongoing

Data sources:
biomass: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14]
soil moisture: [15]

Variable	Description
`CWM_sla[year, patch]`	Specific leaf area [m² g⁻¹]
`CWM_amc[year, patch]`	Arbuscular mycorrhizal colonisation [-]
`CWM_srsa_above[year, patch]`	Root surface area / aboveground biomass [m² g⁻¹]
`CWM_height[year, patch]`	Plant height [m]
`CWM_lncm[year, patch]`	Leaf nitrogen / leaf mass [mg g⁻¹]

Data sources:
leaf trait data (sla): [16]
root trait data (srsa_above, amc): [17]
height and lncm data: [18]