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Scott Mountains
Ecoregion
in
Shasta NF
,
Coast Ranges
,
Klamath Mountains
in
CA
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The Scott Mountains ecoregion is dominated by ultramafic rocks with Mesozoic mafic intrusions, along with some granitic rocks near the Trinity Alps and at Castle Crags. Elevations generally range from 3,000 to 7,000 feet. Soil temperature regimes are mostly frigid, with some mesic at low elevations and soil moisture regimes are xeric. Ecoregion 78n has more ultramafic rocks and less precipitation than Ecoregion 78m to the west. Vegetation includes Jeffrey pine, mixed conifer, and white fir. The ecoregion drains to the Trinity, Sacramento, Scott, and Shasta Rivers.
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