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<br />evaluate short- and long-term ecosystem resource impacts of "...the effects of the Secretary's <br /> <br />actions..." and other information needs specified by the AMWG and the Secretary of the Interior. <br /> <br />Long-term monitoring of all resources of concern will occur to determine significant <br /> <br />changes in resource attributes. Research will be used to interpret and explain trends observed <br /> <br />from monitoring, to determine cause and effect relationships and research associations, and to <br /> <br />better define interrelationships among physical, biological and social processes. In addition to <br /> <br />monitoring and research activities, the GCMRC will develop information technologies to assure <br /> <br />information archiving and transfer to managers, stakeholders and science organizations. <br /> <br />The physical scope of the research area to be investigated by the GCMRC includes the <br /> <br />Colorado River mainstem corridor and associated riparian and terrace zones from the forebay of <br /> <br />Glen Canyon Dam to the lower boundary of Grand Canyon National Park, a distance of <br /> <br />approximately 293 river miles. The research scope does include limited investigations into some <br /> <br />tributaries such as the Little Colorado and Paria rivers. It also includes, in general, resource <br /> <br />impacts of dam operations up to inundation levels associated with flows of 100,000 cubic feet per <br /> <br />second (cfs). <br /> <br />An assessment of dam operation impacts to water quality in Lake Powell will be <br /> <br />completed in FY97, and any future monitoring and research investigations in either Lake Powell <br /> <br />or Lake Mead must be directly associated with impacts attributable to Glen Canyon Dam <br /> <br />operating criteria. <br /> <br />Final Draft <br /> <br />:;,;;i <br /> <br />>--.\ <br /> <br />4 <br /> <br />il <br />'.' <br /> <br />?) <br /> <br />." <br />:,-, <br /> <br />./;' <br /> <br />~~ <br />:::~ <br /> <br />~ <br />~::": <br /> <br /><~- <br /> <br />:.;:: <br />to". ~ <br /> <br /> <br />cO, <br /> <br />-, <br /> <br /> <br />~ <br /> <br />." :.~: <br />.- /" <br />