Ecological layer raster tifs from the following sources:
CHELSA (https://chelsa-climate.org/bioclim/): bio1 mean annual air temperature bio4 Temperature Seasonality bio12 Annual Precipitation bio15 Precipitation Seasonality
Wildlife Conservation Society (https://wcshumanfootprint.org/data-access): Human Footprint
Global Human Settlement Layer (https://human-settlement.emergency.copernicus.eu/ghs_pop2019.php): Population Density
EarthEnv (https://www.earthenv.org/topography): Elevation, Median, GMTED2010, 1km