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Tehachapi Mountains

Ecoregion in Sierra Nevada, CA

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The Tehachapi Mountains form a connecting highland link from the core of the Sierra Nevada ecoregion (5) to the Transverse and Coast Ranges of Ecoregions 8 and 6. Although rugged topography and geology of the Tehachapi Mountains ecoregion have similarities to the southern Sierra Nevada, the diverse vegetation of this region reflects its biogeographic crossroads position and the influences from the Sierra, desert, oak woodlands, and grasslands that surround it. The vegetation includes large areas of oak savanna (with blue oak, gray pine, and some valley oak) that are intermixed with junipers, yuccas, and other species from adjacent ecoregions. Steep canyons and slopes contain canyon live oak and interior live oak, as well as chamise, ceanothus, and singleleaf pinyon. Some minor areas of ponderosa or Jeffrey pine also occur. Soil temperature regimes are thermic and mesic and soil moisture regimes are xeric and aridic.

— EPA

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