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| | California Wildlife Conservation Strategy (Site not responding. Last check: ) |
 | | The region is characterized by large expanses of rugged, forested mountains that range in elevation from 3,000 feet to 8,000 feet, including the Klamath, Siskiyou, Marble, Trinity, and North Coast Range mountains. |
 | | The region’s inland Klamath-Siskiyou mountain ranges are recognized for their biological diversity; they have been designated as an area of global botanical significance by the World Conservation Union (IUCN), as one of 200 global conservation priority sites by the World Wildlife Fund, and as a proposed United Nations’ biosphere reserve (Ricketts et al. |
 | | These mountains harbor some of the most floristically diverse temperate coniferous forests in the world, attributable in part to the region’s variable climate, geography, and soil types, which create a variety of ecological communities. |
| www.dfg.ca.gov /habitats/wdp/region-coast_north/overview.html (937 words) |
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