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BLM REA SOD 2010 USA EPA LevelIV Ecoregions Poly

Summary

Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental resources. They are designed to serve as a spatial framework for the research, assessment, management, and monitoring of ecosystems and ecosystem components. These general purpose regions are critical for structuring and implementing ecosystem management strategies across federal agencies, state agencies, and nongovernment organizations that are responsible for different types of resources within the same geographical areas. The approach used to compile this map is based on the premise that ecological regions can be identified through the analysis of patterns of biotic and abiotic phenomena, including geology, physiography, [...]

Additional Information

Identifiers

Type Scheme Key
sourceSystem urn:x-esri:specification:ServiceType:ArcIMS:Metadata:DocID {9F91B776-636A-4175-93D0-B2D1EF04E3FF}

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