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<br />k <br /> <br />" ' . <br />,\ 1::: <br />- ., <br /> <br />USGS GCMRC SCIENCE STRATEGIES <br />FISCAL YEARS 2005-2009 <br /> <br />. <br /> <br />GCMRC has since 1998 significantly increased scientific understanding of <br />resource impacts associated with differing regulated flow regimes from Glen Canyon <br />Dam. In collaboration with AMWG and TWG, it has invoked adaptive management <br />processes to use this knowledge to enhance some resources and also mitigate, as possible, <br />continued impacts to other resources. <br /> <br />in spite of the continued efforts of AMWG, GCMRC and TWG, resource impacts <br />continue, and some resources, such as Humpback chub and fine sediment appear to be at <br />extremely precarious levels in the system. These heightened resource concerns have <br />prompted AMWG, GCMRC and TWG to launch extensive science and management <br />planning efforts in fiscal years 2004-2006 to create improved science and management <br />strategies to further improve Colorado River resources of concern. <br /> <br />GCMRC, in its contributions to the above direction, will commit new and <br />improved science and science management strategies to assure that information required <br />by AMWG is accurate, current, and the most robust that can be made available. <br /> <br />To accomplish this effort GCMRC has reviewed all information needs specified <br />in the AMWG Strategic Plan as well as reports on prioritization of these needs from the <br />2004 AMWG workshop and the GCMRC Core Monitoring Plan. When one condenses <br />all of this information to a key set of critical subjects of concern to AMWG, the <br />following list emerges; <br /> <br />. <br /> <br />. Fish and Aquatic: aquatic food base, native fish, non-native rainbow trout. <br /> <br />. Cultural Resources: register eligible historic properties, tribal concerns. <br /> <br />. Threatened and endangered species: Humpback chub, Kanab ambersnail, <br />Southwest willow flycatcher. <br /> <br />. Sediment~'\ubstrate, beaches, sediment storage. <br /> <br />. Vegetation: terrestrial wildlife, non-native species. <br /> <br />. Water: hydrology, springs, riparian habitat, water temperature, water quality, <br />flow dynamics, TCD, <br /> <br />. Hydropower: power capacity, energy generation. <br /> <br />. Recreation: quality of recreation experience, recreational boating, fishing. <br /> <br />USGS SBSC GCMRC Strategic Science Plan - FY 2005-2009 <br />Draft, October 22, 2004 <br /> <br />. <br /> <br />12 <br />