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<br />104 <br /> <br />2645 surveys under the sediment dynamics component of the long-term monitoring and research <br />2646 program. Validation of campsite area change can be determined by digitizing the on-river <br />2647 mapping. <br />2648 <br />2649 Me 3) Maintain flows (under approved operating criteria) that minimize impacts to <br />2650 navigability by authorized water craft and for boaters, waders, and campers in the riverine <br />2651 corridor. <br />2652 IN 3.1 Determine if operating criteria maintains safe and adequate powercraft <br />2653 navigability in Glen Canyon and upper Lake Mead. [priority 13] <br />2654 IN 3.2 Evaluate effects of operating criteria on recreation safety. [priority 4] <br />2655 IN 3.3 Determine if operating criteria maintains whitewater raft navigation in Grand <br />2656 Canyon. [Priority 5] <br />2657 IN 3.4 Define ecosystem and other resource impacts of flow regimes (under <br />2658 approved operating criteria) required to maintain navigation [priority 12] <br />2659 IN 3.5 Develop methodology to evaluate potential conflicts of day rafting and other <br />2660 resources (e.g., bank degradation, sport fishing, bird watching, etc.). [priority 8] <br />2661 Proposed Activities: <br />2662 The NPS is currently compiling information on white water rafting and safety. This <br />2663 information should be available in FY 2001 and will provide information to formulate <br />2664 projects in this area, if warranted. <br />2665 <br />2666 Me 4) Maintain flows (under approved operating criteria) and habitat suitable for quality <br />2667 cold water fishery opportunities in Glen Canyon, <br />2668 IN 4.1 Determine flow regimes (under approved operating criteria) necessary to <br />2669 maintain fish populations of 100,000 adult Trout (age class II plus). [priority 9] <br />2670 Proposed Activities: <br />2671 Data on flow regimes and trout populations are currently being addressed in the <br />2672 biological resources program, At this time, no projects are proposed in this recreational area. <br />2673 Me 5) Maintain flows (under approved operating criteria) and habitat suitable for waterfowl <br /> <br />November S, 1998 <br />Second Draft - Do Not Cite, Photocopy, or Distribute <br />