Ecoregions & Ecosystems



U.S. Forest Service Ecoregions Center portal to the description, evaluation and mapping of large areas where similar ecosystems recur in predictable patterns. Links to other resources, maps and GIS data downloads are below.

Help Links


Environmental Studies, Geography, Geographic Information Systems (GIS)

Access Information

"UCSD Only" resources are funded & licensed by UC San Diego Library & the University of California.

Off-campus access restricted to current UC San Diego faculty, staff & students.