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By National Research Council, Division on Earth and Life Studies, Board on Environmental Studies and Toxicology, Committee on Endangered and Threatened Fishes in the Klamath River Basin

During 2001, a critical drought happened within the Klamath River Basin. The U.S. division of the internal (DOI) made up our minds that the newly issued organic critiques and their RPAs needs to succeed; hence, water that will have long gone to irrigators was once directed virtually solely to makes an attempt to keep up minimal lake degrees and minimal flows as prescribed within the RPAs. The critical financial effects of this modification in water administration led DOI to request that the nationwide study Council (NRC) independently evaluation the medical and technical validity of the government's organic critiques and their RPAs. The NRC Committee on Endangered and Threatened Fishes within the Klamath River Basin used to be shaped according to this request. The committee was once charged with submitting an period in-between record after nearly below three months of research and a last record after approximately 18 months of analysis. The period in-between record, that's summarized right here, specializes in the organic tests of the USBR (2001) and the USFWS and NMFS organic evaluations of 2001 concerning the results of Klamath undertaking operations at the 3 indexed fish species.

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Additional info for Scientific Evaluation of Biological Opinions on Endangered and Threatened Fishes in the Klamath River Basin: Interim Report

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Final report. Prepared for the Department of the Interior. August 1999. +appendices. Kann, J. 1998. Ecology and Water Quality Dynamics of a Shallow Hypereutrophic Lake Dominated by Cyanobacteria. D. Dissertation. University of North Carolina, Chapel Hill, NC. 110 pp. Simon. 2000. Ecology of Upper Klamath Lake Shortnose and Lost River Suckers: 4. The Klamath Basin About this PDF file: This new digital representation of the original work has been recomposed from XML files created from the original paper book, not from the original typesetting files.

Fish and Wildlife Service (USFWS) issued a biological opinion (USFWS 2001). A separate biological opinion was issued on the coho population by the National Marine Fisheries Service (NMFS 2001), which has the prime responsibility for ESA actions on these fish because they are anadromous. The two biological opinions differed sharply from the two corresponding USBR assessments by calling for maintenance of higher lake levels and higher mainstem flows. Year 2001 brought a severe drought to the Klamath River Basin.

Cooperman, M. Markle. 2000. Ecology of Upper Klamath Lake Shortnose and Lost River Suckers. 2. Larval Ecology of Shortnose and Lost River Suckers in the Lower Williamson River and Upper Klamath Lake. Department of Fisheries and Wildlife, Oregon State University, Corvallis, OR. 27 pp. Orlob. 1999. Klamath River Modeling Project. Report No. 99– 04. of Civil and Environmental Engineering, Water Resources Modeling Group, University of California. December. Moser, A. St. Gubala. 2001. Recent Paleolimnology of Upper Klamath Lake, Oregon.

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