Impacts of hydroelectric development on riparian vegetation in the Sierra Nevada region,California, USA |
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| Authors: | Richard R Harris Carl A Fox Roland Risser |
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| Institution: | (1) Department of Forest Science, Oregon State University, 97331 Corvallis, Oregon, USA;(2) Research and Development Department, Southern California Edison Company, 91770 Rosemead, California, USA;(3) Department of Engineering Research, Pacific Gas and Electric Company, 94583 San Ramon, California, USA |
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| Abstract: | Fourteen streams in the Sierra Nevada in the USA were sampled to determine whether diversions of streamflow for hydroelectric development had caused significant changes in riparian vegetation. Several streams showed significant differences in vegetation cover, community composition, or community structure between pairs of diverted and undiverted reaches. On some streams, environmental conditions rather than streamflow diversions may have been responsible for vegetation differences. Streams in the Sierra Nevada respond individualistically to diversions. Prediction of vegetation responses must take into consideration environmental characteristics of specific stream reaches. |
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| Keywords: | Hydroelectric development Sierra Nevada Riparian vegetation Impact assessment |
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