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High North Coast Ranges

Ecoregion in Coast Ranges, CA

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The High North Coast Ranges ecoregion includes the high elevation part of the northern California Coast Ranges that are far enough inland that the Pacific Ocean has little influence on climate. The ecoregion has more winter snow and more montane and subalpine coniferous forest than Ecoregion 78q to the west. Cretaceous sandstone, mudstone, blueschist, and metasedimentary rocks are typical. Elevations range mostly from 3,000 to 7,000 feet, with a high point of 8,092 feet at Mount Linn. Common vegetation includes mixed conifer and Douglas-fir forests, along with tanoak. White fir forest and some red fir occur at high elevations. Soil temperature regimes are predominantly mesic, with some frigid and minor areas of cryic and soil moisture regimes are almost exclusively xeric. All but the larger streams are dry through much of the summer.

— EPA

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Ecoregion