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Last modified
8/11/2009 11:32:58 AM
Creation date
8/10/2009 5:12:54 PM
Metadata
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UCREFRP
UCREFRP Catalog Number
9705
Author
Green River Study Plan ad hoc Committee.
Title
Study plan for the implementation and evaluation of flow and temperature recommendations for endangered fishes in the Green River downstream of Flaming Gorge Dam.
USFW Year
2007.
USFW - Doc Type
Upper Colorado River Endangered Fish Recovery Program
Copyright Material
NO
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<br />GREEN RIVER STUDY PLAN <br /> <br />8 <br /> <br />February 2,2007 <br /> <br />In order to implement RPM #1, Reclamation established a Technical Working Group <br />(TWG; recommended by Muth et al. [2000]) in coordination with the Recovery Program. The <br />TWG consists of biologists and hydrologists from Reclamation, Western, and the Service who <br />help refine release plans for each year and provide advice on modifying releases during changing <br />hydrologic conditions. Yearly release patterns from Flaming Gorge Dam to meet the <br />recommended flows and temperatures for each hydrologic condition are adjusted on the basis of <br />information about hydrology, the status of endangered fish life stages and populations, and <br />habitat conditions. The Recovery Program can request flows to fulfill research needs and the <br />TWG considers those requests along with the specific flow recommendations for the annual <br />hydrologic condition. The TWG provides comments and input on the proposed flows relative to <br />all resource concerns, and Reclamation determines how to incorporate the additional information <br />into the Annual Flaming Gorge Dam Operational Plan. <br /> <br />The BO further requires Reclamation, Western, and the Service to work through the <br />Recovery Program technical committees to develop a Study Plan to evaluate the flow and <br />temperature recommendations. This document is that Study Plan and it focuses on previously <br />identified anticipated effects or uncertainties related to floodplain inundation, nonnative fish <br />impacts, effects of temperature, and geomorphic processes. Whereas the intent of the Study Plan <br />is to guide future evaluation of the flow and temperature recommendations, it also draws heavily <br />on the direction provided in Section 7 consultation documents, including the BA and BO, <br />Recovery Program guidance documents, and ongoing studies. <br /> <br />FEIS and ROD on Operation of Flaming Gorge Dam <br /> <br />The FEIS was completed by Reclamation in 2005 (U.S. Department of the Interior 2005), <br />and a ROD was signed in February 2006 (U.S. Department of the Interior 2006). The FEIS <br />addresses the potential effects of modifying the operation of Flaming Gorge Dam to assist in the <br />recovery of the four endangered fish species and prevent the destruction or adverse modification <br />of their critical habitat downstream from the dam. <br /> <br />The FEIS describes how Reclamation will implement the proposed action by modifying <br />the operation of Flaming Gorge Dam, to the extent possible, to achieve the flow and temperature <br />recommendations ofMuth et al. (2000). Reclamation's goal is to implement the proposed action <br />and, at the same time, maintain and continue all authorized purposes of the Colorado River <br />Storage Project, including those related to the development of water resources in accordance <br />with the Colorado River Compact. <br /> <br />The FEIS summarized the uncertainties associated with implementation of the flow and <br />temperature recommendations, and acknowledged that these uncertainties would be monitored <br />and addressed through an adaptive-management process. That adaptive-management process <br />would consist of an integrated method for addressing uncertainty in natural resource <br />management that not only reduces but benefits from uncertainty. Following are uncertainties <br />summarized from the FEIS. <br />
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