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Southern Clayey Basins

Ecoregion in Central Valley, CA

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The Southern Clayey Basins ecoregion consists of the low basin areas around the Buena Vista, Kern, and Goose Lake beds, and the area of fine-textured soils that extends into the Tulare Basin ecoregion (7r) to the north. The flat basins have elevations of about 200–300 feet. Cropland is the dominant land use, with some grassland and herbaceous wetlands in the north around the Kern National Wildlife Refuge and numerous private wetlands operated as hunting clubs. This area provides wintering habitat for migrating birds, shorebirds, and waterfowl in the southern San Joaquin Valley. The endangered Buena Vista Lake shrew, San Joaquin kit fox, and blunt-nosed leopard lizard also find remnant habitat here. Wetlands are maintained by a complex of canals, pipelines, deep wells, pump stations, and water control structures.

— EPA

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Ecoregion