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Death Valley/Mojave Central Trough

Ecoregion in Great Basin in CA, NV

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The Death Valley/Mojave Central Trough ecoregion includes the alluvial plain of parts of Death Valley, the Silurian Valley, and the great depressions that contain Soda, Bristol, and Cadiz dry lakes of Ecoregion 14f. The line of basins in this trough is lower in elevation and warmer than adjacent basins to the east or west, with soil temperatures mostly hyperthermic rather than thermic. The far northern part of the ecoregion, where elevations are greater than 4,000 feet near the Nevada border, is slightly cooler than the lower-elevation central and southern parts. Some areas in the central part are at or below sea level. Creosotebush, white bursage, and mixed saltbush communities occur. Drainage is internal. Although some consider this trough as a convenient divide between the eastern and western Mojave, summer rainfall and certain plant species characteristic of the east occur slightly farther to the west of Ecoregion 14h.

— EPA

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