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  1. High Sierra ecosystems: the role of fish stocking in amphibian declines

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    Author(s): Anne M. Rosenthal; Kathleen R. Featured: Matthews
    Date: 2003
    Source: Science Perspective PSW-SP-002. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station. 6 p
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (1.6 MB)

    Description

    With a rich diversity of aquatic habitats, including deep lakes, shallow ponds, and rushing streams, Dusy Basin in Sequoia-Kings Canyon National Parks typifies the high Sierra ecosystem where mountain yellow-legged frogs usually thrive. Yet throughout the Sierra, aquatic ecologist Kathleen Matthews found entire water basins empty of these amphibians. Comprehensive studies showed that exotic trout caused the precipitous decline.

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    Citation

    Rosenthal, Anne M.; Featured: Matthews, Kathleen R. 2003. High Sierra ecosystems: the role of fish stocking in amphibian declines. Science Perspective PSW-SP-002. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station. 6 p

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