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Dissected Plateaus and Teton Basin

Ecoregion on Columbia Plateau, Rocky Mountains in ID, WY

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The Dissected Plateaus and Teton Basin ecoregion is used as cropland and rangeland. Potatoes are an important cash crop. Sprinkler-irrigated land supports potatoes, alfalfa, and pasture; surface irrigation is far less common than in Ecoregion 12e which is lower, flatter, and adjacent to the Snake River. Non-irrigated land grows small grains. Mollisols developed in thick loess deposits or alluvium and are subject to wind erosion. Loess is far more extensive than in Ecoregion 12e. Potential natural vegetation is sagebrush steppe and is unlike the forests of the higher, more rugged Ecoregion 17. Wet meadows occur in the poorly-drained, relatively cold Teton Basin.

— EPA

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Ecoregion