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Missouri Breaks Woodland-Scrubland

Ecoregion on Great Plains, MT

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The Missouri Breaks Woodland-Scrubland ecoregion has very highly dissected topography and erodible clayey soils derived from Cretaceous sedimentary rock. Steep, rugged terrain with a climax vegetation of ponderosa pine and Rocky Mountain juniper woodland, grassland, and scrubland are characteristic and distinguish the ecoregion from the River Breaks (43c), Glaciated Northern Grasslands (42j), Judith Basin Grassland (43m), and Montana Central Grasslands (43n). Ecoregion 43l is lightly and locally grazed, since stock watering facilities are rare. Some farmland is irrigated especially near the Missouri River. The dissected topography, wooded slopes and draws, and uncultivated areas of Ecoregion 43l are havens for wildlife.

— EPA

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Ecoregion