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Judith Basin Grassland

Ecoregion in MT

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The benches, alluvial fans, plains, and foothills of the Judith Basin Grassland ecoregion are commonly composed of Quaternary terrace deposits that are much more extensive than in the surrounding ecoregions. Land use is a mosaic of farmland and rangeland; better quality, undissected land is devoted to grain production and is very fertile. In contrast, the neighboring Montana Central Grasslands (43n) and Foothill Grassland (42r) are dominated by rangeland. Precipitation, soil productivity, grass density, and carrying capacity vary and become lower to the south of the Big and Little Snowy mountains. Soils can be gravelly.

— EPA

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Ecoregion