Environmental Data: Dataset Article “Decreasing water availability re...

Description

This repository contains all observational data sets used for the paper: Sophia Etzold, Arun K. Bose, Arthur Gessler, Frank Krumm, Katrin Meusburger, Marcu...

Citation

Etzold, S., Gessler, A., Waldner, P., Thimonier, A., Schaub, M., Zweifel, R., Meusburger, K., Krumm, F., Bose, A. (2026). Dataset Article “Decreasing water availability reduces productivity in Swiss forests along an altitudinal gradient” Etzold et al.. EnviDat. https://www.doi.org/10.16904/envidat.760.

Resources

• 1_Treedata_Inventory_BAI.csv

  #1: Treedata_BAI Site: Site name Subplot: Subplot name Treenr: Tree number SPECIES: Species name Start.Year: First Year of Inventory End.Year: Last Year of Inventory DBH.tree: Diameter at breast height (1.3m) in [cm] DBH.class: Category of DBH: 'sub': <12cm, '1':small, '2':medium, '3': large Height: tree height in [m] Treestatus: Status of tree: '1': alive, '0': dead BAIyr: Annual basal area increment of tree in [cm2/yr]

  1_Treedata_Inventory_BAI.csv

• 2_Plotdata_Inventory_NPP_BAI.csv

  #2: Plotdata_NPP_BAI Site: Site name Subplot: Subplot name INVYEAR: Assigned Year to Inventory (mean over all plots) INVNR: Inventory number Csum.yr.gm2: Carbon uptake by growth in [gC/m2/yr] BAI.yr.m2ha: Basal area increment in [m2/ha/yr] Ntrees.ha: Number of trees per ha in [N/ha] QMD: Quadratic mean diameter of all trees in [cm] SDI: Reineke's Stand density index [-] meanDBH_plot: mean DBH of all trees per plot in [cm] LAI: Leaf area index of plot in [m2/m2] Ndep: total Nitrogen deposition in [kg N/ha/yr] foliarN_rel: relative foliar N concentration in [%] foliarP_rel: relative foliar P concentration in [%] meanT.veg: mean temperature during vegetation period in [°C] Psum.veg: mean precipitation sum during vegetation period in [mm] meanSWP.veg: mean soil water potential during vegetation period in [kPa] dTemp.veg: annual deviation of mean temperature from long-term mean in [%] dPsum.veg: annual deviation of precipitation sum from long-term mean in [%] dSWP.veg: annual deviation of mean soil water potential from long-term mean in [%]

  2_Plotdata_Inventory_NPP_BAI.csv

• 3_Site_properties.csv

  #3: Site properties Site: Site name Altitude: in [m a.s.l.] Age_in_2000: Estimated stand age in the year 2000 in [years] Main_species: Dominant species of the stand meanT_long: long-term (1995-2020) mean temperature during vegetation period in [°C] Psum_long: long-term (1995-2020) mean precipitation sum during vegetation period in [mm] soil_CN: C/N ratio of the soil soil_pH: PH of the soil

  3_Site_properties.csv

• 4_Annual_NPP_plot.csv

  #4: Annual NPP per plot Site: Site name Subplot: Subplot name Year NPPyr_rel: Annual Net Primary Productivity of the stand in relation to long-term mean in [%] SWP_rel: Mean soil water potential during vegetation period in relation to long-term mean in [%] Tmax_rel: Maximum temperature during vegetation period in relation to long-term mean in [%]

  4_Annual_NPP_plot.csv