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Ecological Systems of the United States NatureServe has developed a new mid-scale ecological classification for use in conservation and environmental planning. Ecological Systems represent recurring groups of biological communities that are found in similar physical environments and are influenced by similar dynamic ecological processes, such as fire or flooding. Our classification describes over 600 upland and wetland ecological system types found in the lower 48 United States, southern Alaska, and adjacent portions of Mexico and Canada. View complete publication, Ecological Systems of the United States. 83 pages. PDF file (4.5M). Current ecological systems data can be accessed on our NatureServe Explorer website. Click on the "Ecological Communities and Systems" tab. To request customized datasets and analyses related to ecological systems, please contact Jason McNees at jason_mcnees@natureserve.org or 703-908-1849. For more information, see our "Custom Data Services" page. |
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