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Diegan Western Granitic Foothills
Ecoregion
in
CA
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The Diegan Western Granitic Foothills ecoregion consists of inland low hills at the intermediate elevations of central San Diego County, in the Escondido, Ramona, and Alpine areas. Part of the lower Peninsular Ranges, the mountains and hills are moderately steep to steep with narrow to rounded summits. A few narrow to broad valleys occur. Although there is some mild influence by marine air, it is much less than in Ecoregions 85e and 85f to the west. The soil temperature regime is thermic and soil moisture regime is xeric. Typical vegetation includes foothill needlegrass, coast live oak, chamise, mixed chaparral, and California sagebrush.
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