Upper Midwest forest–savanna transition
The Upper Midwest forest–savanna transition is a terrestrial ecoregion that is defined by the World Wildlife Fund. An oak savanna plant community located in the Upper Midwest region of the United States, it is an ecotone (a transitional area) between the tallgrass prairies to the west and the temperate deciduous forests to the east. A part of the Upper Mississippi River basin, it is considered endangered with less than 5% of the original ecosystem remaining intact, due mostly to overgrazing and conversion to agriculture.
| Upper Midwest forest–savanna transition | |
|---|---|
Ecoregion Preserve (Devil's Lake State Park, Wisconsin) | |
| Ecology | |
| Realm | Nearctic |
| Biome | Temperate broadleaf and mixed forest |
| Borders | |
| Bird species | 215 |
| Mammal species | 62 |
| Geography | |
| Area | 166,100 km2 (64,100 sq mi) |
| Countries | |
| States/Provinces | |
| Climate type | Humid continental (Dfa and Dfb) |
| Conservation | |
| Habitat loss | 62.5% |
| Protected | 4.7% |
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