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Linking Temporal And Spatial Variability Of Millennial And Decadal-Scale Sediment Yield To Aquatic Habitat In The Columbia River Basin, Elijah Portugal
Linking Temporal And Spatial Variability Of Millennial And Decadal-Scale Sediment Yield To Aquatic Habitat In The Columbia River Basin, Elijah Portugal
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Historically the Columbia River was amongst the most productive salmonidbearing watersheds in North America. Currently, salmonid populations have collapsed and are estimated at ten percent of historic levels. Because of this, there are thirteen, Endangered Species Act (ESA) listed distinct population segments within the Columbia River Basin (CRB). The Bonneville Power Administration (BPA) operates a substantial number of hydroelectric dams within the CRB. As the dams effectively block anadromy and are thought to be extremely detrimental to the long-term persistence of salmonid populations within the CRB, the BPA funds a series of programs to mitigate the impacts of dam operation. …