A raster with climatic (from Chelsa: chelsa-climate.org), edaphic (from SoilGrids: soilgrids.org), and ecoregion data (from WWF https://www.worldwildlife.org/publications/terrestrial-ecoregions-of-the-world).
Format
A raster in tif format with the following variables.
- bio1
Annual mean temperature
- bio12
Annual precipitation
- bio15
Precipitation seasonality
- bio3
Isothermality
- cfvo
Volumetric fraction of coarse fragments
- elevation
Elevation
- sand
Soil sand content
- eco
Terrestrial ecoregion
Examples
if (FALSE) {
require(terra)
envar <- system.file("external/envar.tif", package = "adm")
envar <- terra::rast(envar)
plot(envar)
}