Ecoregions
Ecoregions 101
What would happen if, in the interest of providing large-scale context for setting conservation priorities, we removed state boundaries from our maps? For conservation practitioners, the answer might be ecoregions, which group distinctive plants, animals, and natural communities based on regional patterns of climate, landform, soil, and hydrology.
Featured Ecoregions
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Middle Rockies - Blue Mountains
The Middle Rockies - Blue Mountains Ecoregion represents a large mass of rugged mountains and intermontane valleys covering major portions of Oregon, Idaho, and Montana, and a small part of Washington.
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Lower New England-Northern Piedmont
Stretching from southern Maine and New Hampshire through western Massachusetts and Connecticut, Vermont, and eastern New York, the Lower New England-Northern Piedmont includes, all told, portions of 12 states -- and the District of Columbia.
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Mid-Atlantic Coastal Plain
The Mid-Atlantic Coastal Plain occupies 26 million acres east of the fall line between the Piedmont and Atlantic Coastal Plain, south of the James River in Virginia and north of Charleston Harbor in South Carolina.
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Florida Peninsula
Although it is fragmented by three Interstate highways and the prominent, sprawling metropolitan areas of Orlando and Tampa, the Florida Peninsula also features several large managed areas that form a basis for natural resource conservation.
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West Cascades
The West Cascades Ecoregion extends west from the Cascade Crest to the Puget Sound and Willamette Valley lowlands and from Snoqualmie Pass south across the Columbia Gorge to the Klamath Mountains in southwest Oregon, almost to the California border.
Explore More Ecoregions
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Central Appalachian Forest Ecoregion
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Central Shortgrass Prairie
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Chesapeake Bay Lowlands Ecoregion
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Colorado Plateau Ecoregion
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Columbia Plateau Ecoregion
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Cumberlands and Southern Ridge and Valley Ecoregion
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East Gulf Coastal Plain
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Florida Peninsula
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Lower New England-Northern Piedmont
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Mid-Atlantic Coastal Plain
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Middle Rockies - Blue Mountains
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Modoc Plateau and East Cascades
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North Atlantic Coast Ecoregion
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North Cascades Ecoregion
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Northern Appalachian-Acadian Ecoregion
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Okanagan Ecoregion
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Pacific Northwest Coast
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Piedmont Ecoregion
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South Atlantic Coastal Plain Ecoregion
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Southern Blue Ridge Ecoregion
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Southern Rocky Mountains Ecoregion
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Tropical Florida Ecoregion
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Utah-Wyoming Rocky Mountains Ecoregion
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West Cascades
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Willamette Valley-Puget Trough-Georgia Basin Ecoregion
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Wyoming Basins Ecoregion