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Life Sciences Commons

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California Polytechnic State University, San Luis Obispo

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Restoration

Biology

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Full-Text Articles in Life Sciences

Soil Moisture On Soledad Ridge In Santa Rosa Island, Channel Islands National Park, Carrie Fong, Kathryn Mceachern, Ken Niessen Oct 2016

Soil Moisture On Soledad Ridge In Santa Rosa Island, Channel Islands National Park, Carrie Fong, Kathryn Mceachern, Ken Niessen

STAR (STEM Teacher and Researcher) Presentations

Santa Rosa Island is one of the Channel Islands off the coast of southern California. Before the island was heavily grazed, Santa Rosa Island is thought to have had large stands of island oak trees, Quercus tomentella, that provided a critical source of water for the ecosystem by creating a “cloud forest”. Wind-borne fog collects on the leaves, branches, and twigs of the island oaks and other native shrubs. Once the water condenses it drips, falls, and soaks into the soil. Introducing cattle and especially sheep to the island has damaged the ecosystem and nearly decimated Santa Rosa Island of ...