Underrepresentation of Coast Live Oak Woodland and Riparian Habitats in the Cleveland National Forest: A Gap Analysis
Silverthorn, Mayme L.
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One of the principles of island biogeography is that the rate of species extinction in an isolated patch of habitat is inversly related to patch size. In this study, privately-owned parcels within the Cleveland National Forest (CNF) were mapped according to Holland vegetation types, and the results in percent composition for each Holland type were compared to the known composition of the public National Forest land within the CNF boundary. These comparisons showed disproportionate concentrations of riparian and coast live oak woodland habitats on the private inholdings. Further conclusions concerning the current protection of valuable habitat and the trend of biodiversity on the CNF were made using species examples. The determination of these habitats as underrepresented, and the implication of this underrepresentation on biological diversity offer important information for the long term management of the forest.