List of ecoregions in Wisconsin

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Wisconsin ecoregion map prepared by the U.S. Environmental Protection Agency

The list of ecoregions in Wisconsin are listings of terrestrial ecoregions (see also, ecosystem) in the United States' State of Wisconsin, as defined separately by the United States Environmental Protection Agency (USEPA), and the World Wildlife Fund.


The USEPA ecoregion classification system has four levels, but only Levels I, III, and IV are shown on this list. Level I divides North America into 15 broad ecoregions (or biomes). Wisconsin is within the Eastern Temperate Forest, and in the Great Plains, Level I regions. Level IV ecoregions (denoted by numbers and letters) are a further subdivision of Level III ecoregions (denoted by numbers alone).[1][2][3]

Great Plains[edit]

Eastern Temperate Forest[edit]

World Wildlife Fund[edit]

Ecozone Biome Ecoregion State Location
Nearctic Temperate broadleaf and mixed forests Upper Midwest forest-savanna transition North, Central, and Southern Wisconsin
Nearctic Temperate broadleaf and mixed forests Western Great Lakes forests Far North Wisconsin
Nearctic Temperate grasslands, savannas, and shrublands Central forest-grasslands transition Far Southeast Wisconsin
Nearctic Temperate grasslands, savannas, and shrublands Central tall grasslands Far Southwest Wisconsin

See also[edit]


  1. ^ "Ecological Regions of North America: Toward a Common Perspective". Commission for Environmental Cooperation. 1997. Retrieved 2013-04-07.
  2. ^ Plant Maps Interactive -Wisconsin Ecoregions (based on EPA data), retrieved 2013-04-17
  3. ^ Level 3 and Level 4 Ecoregions of Wisconsin USEPA
  • See: Ricketts, Taylor H; Eric Dinerstein; David M. Olson; Colby J. Loucks; et al. (1999). Terrestrial Ecoregions of North America: a Conservation Assessment. Island Press; Washington, DC