Colorado River Ecology and Dam Management Proceedings of a Symposium May 24-25, 1990 Santa Fe, New Mexico (1991) / Chapter Skim
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Committee Synopsis/Findings and Recommendations
Committee Synopsis/Findings and Recommendations
Pages 1-9
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The USBR's Glen Canyon Environmental Studies (GCES) were intended to evaluate the relationships between dam operations and the natural resources of the Grand Canyon.
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>~Colorado River \~ Basin Location map of the Colorado River basin.
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be developed and that the GCES II results be incorporated into the EIS. The NRC committee was asked to continue providing advice to the GCES and to help by reviewing the existing knowledge about the Colorado River ecosystem in the Grand Canyon.
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The committee's findings and recommendations are directed to the USER as it continues to grow in its role as a manager of the nation's natural resources. FINDINGS AND RECOMMENDATIONS Initiate Long-Term Research and Monitoring in the Grand Canyon Since 1964, the operation of Glen Canyon Dam has caused continuing ecosystem changes in the Grand Canyon reach of the Colorado River.
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The legal requirements for dam operations to meet water allocations required by the Colorado River Compact are not a strong constraint on alternative operations of Glen Canyon Dam. · The USER and the Western Area Power Administration (WAPA)
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Therefore, the committee believes the search for this talent should be widespread and should include the academic sector as well as others. After implementing the long-term monitoring program, the USBR should initiate a broad search for proposals, including proposals from the academic sector, to find answers to general questions about the Colorado River ecosystem in the Grand Canyon and about its responses to the operation of Glen Canyon Dam.
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· The USBR should conduct future GCES research in the Grand Canyon using an ecosystem perspective to avoid the isolated implementation that has created problems in the past. Examples of effects resulting from the previous limited perspective of the GCES are as follows:
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Revisit 1987 NRC Recommendations on the GCES Sound scientific information is critical to making informed decisions about the use of natural resources. The 1987 report of the NRC committee made recommendations that would strengthen the scientific information base for decisions about and management of Glen Canyon Dam based on the results of GCES.
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Therefore, · USER management should review the December 1987 NRC report River and Dam Management for reconsideration of the applicability of those recommendations to GCES II. REFERENCES National Research Council, 1987.
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