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#1 Federal
Aquatic ecoregions of the conterminous United States
- Organization: Department of the Interior
- Dataset Last Updated: November 17, 2020 at 12:00 AM
Ecoregions are based on perceived patterns of a combination of causal and integrative factors including land use, land surface form, potential natural vegetation, and soils (Omernik, 1987). This...
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- xml
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