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Outer North Coast Ranges

Ecoregion in Coast Ranges, CA

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Just inland from the redwood forests of Ecoregion 1, the Outer North Coast Ranges ecoregion occurs in the central part of the northern California Coast Ranges. It is characterized by high rainfall and mixed evergreen and mixed hardwood forests including Douglas-fir, tanoak, Oregon white oak, and some needlegrass grasslands. Some redwood occurs in areas closest to the coast. Mountain peaks are lower in elevation than those in the High North Coast Ranges ecoregion (78r) to the east. Soil temperature regimes are predominantly mesic, with some thermic in the southern part of the region and soil moisture regimes are xeric. Landslides occur frequently in this region, and high sediment loads occur in streams and rivers. All but the larger streams are dry by the end of the summer. Natural lakes are absent, but there are a few reservoirs.

— EPA

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Ecoregion