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<br />ENCLOSURE 1 <br /> <br />MEETING SUMMARY <br />FOR MARCH 2, 1992 - LAS VEGAS NEVADA <br />DRAFT BIOLOGICAL OPINION - GLEN CANYON DAM OPERATIONS <br /> <br />,;. <br /> <br />This summary of the major points of agreement and conclusions <br />reached at the March 2, 1994 meeting of native fish expe~ts is <br />based on the notes taken by Christine Karas. It also <br />incorporates information from a summary of the meeting prepared <br />by Frank Baucom of the Fish and Wildlife Service, and comments on <br />an earlier draft summary made by those meeting participants who <br />were available. This meeting summary only contains major points <br />and does not attempt to recount the details of the discussion. <br />It has not been approved by meeting participants and does not <br />necessarily represent the opinion of all the participants. <br />Several commenters recommended details of the discussions be <br />included, but the difficulty of taking notes during an open <br />discussion resulted in an unbalanced treatment of the discussion, <br />which some commenters objected to. <br /> <br />Dr. Duncon Patten served as moderator for the meeting. Due to <br />limited time, all present agreed to a general format of first <br />discussing the driving variables for endangered and native fish, <br />then the flow recommendation of the Draft Biological Opinion and <br />of the Modified Low Fluctuating Flow alternative. The meeting <br />took the form of an open discussion of the driving variables. <br /> <br />The group first developed the following list of drivers and <br />responding parameters to help focus the discussion: <br /> <br />.1 <br /> <br />, <br />'.....'.\ <br />" <br /> <br />''J <br />f~ <br />~;~ <br /> <br />Drivers <br />Flooding <br />Tributary Access <br />Backwaters <br />Nutrient dynamics <br />Predation <br />Thermal regime <br />Flow variability (annual & daily) <br />Habitat use by lifestage <br />Historic habitat changes <br />Non-native interactions/competition <br /> <br />Sediment <br />Ponding of tributary mouths <br />Food Base <br />Concerns relative to growth <br />Turbidity <br />Disease/parasites <br />Climatic variability <br />Shoreline habitat <br /> <br /> <br />Resoondina Parameters <br />Spawning <br />Migration <br /> <br />larval drift <br />egg/larval <br />Young of Year <br />Juvenile <br /> <br />Adults <br /> <br />It was notec! that the overall goal of a reasonable &Dc! pruc!ent <br />alternative i8 to remove jeopardy, not achieve recovery. It_8 <br /> <br />1 <br />