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Rochester/Paleozoic Plateau Upland
Ecoregion
in
MN
,
IA
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This ecoregion is a transition between the highly dissected landscape of the Bluffland and Coulees (52b) and the Eastern Iowa and Minnesota Drift Plains (47c) of the Western Corn Belt Plains. As in Ecoregion 52b the geomorphology is based on pre-Wisconsin glaciation. The topography is gently rolling and the soils are primarily forest soils (Udalfs) in the northern part and a mix of forest Udalfs and moist prairie Udolls in the southern part; loess grades from thin in the western edge of the ecoregion to thicker at the boundary with Ecoregion 52b. The landscape at presettlement was a mixture of tallgrass prairie, brush prairie, and oak openings and savannas. The land today is extensively farmed with row crops, primarily corn and soybeans, and some pasture and hay. About 45% of this ecoregion was corn and soybeans, 30% pasture or grassland, and 9% deciduous forest in 2013.
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