Download GIS biodiversity layers
As a complement to the biodiversity data, the Natural Earth. Site is a good source for GIS data on political and biophysical features. Clinton N. Jenkins, Instituto de Pesquisas Ecológicas, ClintonJenkins.org.
Mapping the USA's Mammal Diversity
The priorities map is described in, U.S. protected lands mismatch biodiversity priorities, by Clinton N. Jenkins, Kyle S. Van Houtan, Stuart L. Pimm, and Joseph O. Sexton. Published April 6, 2015, in. Wwwpnas.org/cgi/doi/10.1073/pnas.1418034112. A zip file with higher resolution jpegs of the above maps can be downloaded here. Clinton N. Jenkins, Instituto de Pesquisas Ecológicas, ClintonJenkins.org.