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The Commission's 1997 report, Ecological Regions of North America, provides a framework that may be used by government agencies, non-governmental organizations, and academic researchers as a basis for risk analysis, resource management, and environmental study of the continent's ecosystems. [1] In the United States, the EPA and the United ...
Ecoregions of North America, featuring the 50 United States, the District of Columbia and the five inhabited territories. The following is a list of ecoregions in the United States as identified by the World Wide Fund for Nature (WWF). The United States is a megadiverse country with a high level of endemism across a wide variety of ecosystems.
Ecology portal; Earth sciences portal; Geography portal; Ecoregions defined by the Commission for Environmental Cooperation and partner agencies: List of ecoregions in the United States (EPA) Terrestrial Ecozones and Ecoregions of Canada originally published by Environment Canada.
The Everglades are the largest tropical wilderness in the United States. This mangrove and tropical rainforest ecosystem and marine estuary is home to 36 protected species, including the Florida panther, American crocodile, and West Indian manatee. Some areas have been drained and developed; restoration projects aim to restore the ecology. [43]
Terrestrial ecoregions of the world. This is a list of terrestrial ecoregions as compiled by the World Wildlife Fund (WWF). The WWF identifies terrestrial, freshwater, and marine ecoregions.
The Central Great Plains are a prairie ecoregion of the central United States, part of North American Great Plains. The region runs from west-central Texas through west-central Oklahoma, central Kansas, and south-central Nebraska. It is designated as the Central and Southern Mixed Grasslands ecoregion by the World Wide Fund for Nature.
The Eastern woodlands of the United States extended further east to the Atlantic seaboard. In the southeast, longleaf pine dominated the grassy woodlands and open-floored forests which once covered 92,000,000 acres (370,000 km 2) from Virginia to Texas. These covered 36% of the region's land and 52% of the upland areas.
Shaded relief map of the United States, showing 10 geological provinces The richly textured landscape of the United States is a product of the dueling forces of plate tectonics, weathering and erosion. Over the 4.5 billion-year history of the Earth, tectonic upheavals and colliding plates have raised great mountain ranges while the forces of ...