GIS data set that aggregates the information from 19 ecoregional assessments across western North America packaged as a personal geodatabase for use with ArcGIS 9.x and Microsoft Access software products. Note: this data set replaces the six-ecoregion geodatabase formerly posted on this site.Download file (24 MB)
Provides an overview of ecoregional assessments and the process used to create a standardized, cross-ecoregional dataset for six ecoregions within and adjacent to Arizona.Download file (5 MB)
Original reports summarizing the results of the six ecoregional conservation assessments completed for the southwestern U.S. and northwestern Mexico by The Nature Conservancy and partners.
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