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Lake Agassiz Plains
Ecoregion
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MN
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This ecoregion is more similar to the basin ecoregion (48a) than to the ridges ecoregion (48b) in that it is primarily flat but 30 to 90 m higher in elevation than the basin, and separated by the ridges of 48b. Soils are predominantly moist prairie Udolls and dry prairie Ustolls with an area of moderately decomposed Hemists bog in the north of the ecoregion. The tallgrass and wet prairies, and sections of aspen parkland have been replaced by corn, soybeans, and some sugar beets, in the southern part, and by mixtures of row crops, small grains, and pasture and hay in the northern part. The southern part is mostly till plain whereas the northern part is lacustrine, similar to the Glacial Lake Agassiz Basin (48a). About 25% of this ecoregion was wetlands, 25% soybeans, 12% spring wheat, 10% corn, and 9% deciduous forest in 2013.
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