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Prairie Ozark Border

Ecoregion in MO

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The Prairie Ozark Border ecoregion shares characteristics with both the Wooded Osage Plains (40c) and adjacent regions within the Ozark Highlands (39). Topography is mostly smooth to gently sloping plains, and soils, derived from loess and cherty limestone, tend to support more cropland than other Ozark regions. The area shares the same bedrock, Mississippian to the north, and Ordovician to the south, as nearby Ozark regions. Streambeds are generally rocky and tend to be more Ozarkian in structure than those found in the Wooded Osage Plains (40c) to the west. The biotic composition and potential natural vegetation reflect the transition from a predominantly prairie landscape in the northwest to a more wooded landscape of the interior Ozark Highlands (39).

— EPA