The global map of tree species richness

Estimated tree species richness per hectare.   

This map can be downloaded in two formats. One is a geoTIFF file (S_mean_raster.tif) containing the fully geo-referenced map of tree species richness worldwide at a 0.025°×0.025° resolution. The other is a comma-separated file (S_mean_grid.csv) with the following attributes:

S is local average tree species richness per hectare

x, y are centroid coordinates of all 0.025°×0.025° pixels;