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Floodplains and Low Terraces

Ecoregion on Great Plains, TX

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The Floodplains and Low Terraces ecoregion of the Texas Blackland Prairies includes only the broadest floodplains, i.e., those of the Trinity, Brazos, and Colorado rivers. It covers primarily the Holocene deposits and not the older, high terraces. The bottomland forests contained bur oak, Shumard oak, sugar hackberry, elm, ash, eastern cottonwood, and pecan, but most have been converted to cropland and pasture. The alluvial soils include Vertisols, Mollisols, and Inceptisols.

— EPA

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