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2 Puget Lowland. 3 Willamette Valley. 111 Ahklun Mountains and Kilbuck Mountains. 113 Alaska Peninsula Mountains. 115 Cook Inlet. 119 Pacific Coastal Mountains. 120 Coastal Western Hemlock-Sitka Spruce Forests. The corresponding CEC ecoregion in Canada is called the Pacific Maritime Ecozone.
Ecoregions of North America, featuring the 50 United States, the District of Columbia and the 5 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.
"Level III" subdivides those regions again into 182 ecoregions. [1] [2] "Level IV" is a further subdivision of Level III ecoregions. Level IV mapping is still underway but is complete across most of the United States. For an example of Level IV data, see List of ecoregions in Oregon and the associated articles.
List of ecoregions in North America (CEC) List of ecoregions in the United States (EPA) Ecoregions of the world defined by the conservation group World Wildlife Fund (WWF) : Global 200 ecoregions (WWF), 238 single or combined ecoregions identified by the World Wildlife Fund (WWF) as priorities for conservation.
Appalachian hemlock–northern hardwood forest. Appalachian mixed mesophytic forests. Appalachian Province. Appalachian temperate rainforest. Appalachian–Blue Ridge forests. Arizona Mountains forests. Arizona/New Mexico Mountains ecoregion. Arkansas Valley (ecoregion) Atlantic and Gulf Coastal Plain Province.
Lists of ecoregions in the United States. Lists of ecoregions in the United States may refer to: List of ecoregions in the United States (EPA), United States Environmental Protection Agency system. List of ecoregions in the United States (WWF), World Wildlife Fund system. Categories: Lists of environment lists.
I. Ecoregions of Illinois (3 P) Ecoregions of Indiana (2 P) Ecoregions of Iowa (2 P)
Illinois ecoregion map prepared by the USEPA. The list of ecoregions in Illinois are lists of terrestrial ecoregions (see also, ecosystem) of the United States' State of Illinois, as defined separately by the United States Environmental Protection Agency (USEPA), and by the World Wildlife Fund.