Other Web References on the subject of Ecological Subregions

• The Ecosystem Management Analysis Center website includes information about ecoregions and computer modeling, including Spectrum and IMPLAN software.
• The document, "Ecological Subregions of the United States: Section Descriptions" is also available.  This document contains the biophysical descriptions of the Sections as depicted on the map, "Ecoregions and Subregions of the United States," dated June 1994.