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~ " ~'"~~~! ;# ;,' -~ ii, .:~ JUne I, 1989 Conservation Measures Glen Canyon Dam Biological Opinion DRAFT ~ ,;"" '- ! I. Develop a long-term protective management plan and implement actions to protect the humpback chub and its habitat in the Little Colorado River. .1 ~... A. Objectives 1. Define responsibilities and ownership of Federal, State, Indian, and other entities over land, water, and fish and wildlife resources in th~ Little Colorado River Basin. ';.' 2. Develop and implement a cooperative interagency plan to protect the humpback chub and its habitat in the Little Colorado Riv~r. Primarily, this win protect the quality and quantity (to be determined by the conservation measure studies) of water required by the species and prevent adverse modifica~ion of its habitat through interagency coordination of present and future actions. The plan should identify threats, actions to eliminate threats, and mechanisms for implementation. The plan should be formally endorsed by all parties through a Memorandum of Understanding or Cooperative Agreement. !" , , , r. *~\ ~~ _.~. 3. Develop a contingency plan with well defined a<Jency roles in the event o[ a catastrophic event, such as a mine or other contaminant spill. Conduct on the ground exercises, aD needed, to ensure effectiveness of response. B. Disc;ussion This mcasure is ncccssary to protect the only known spawning habitat of the humpback chub in the project area. The cold temperature of Glen Canyon Dam releases appears to have limited the spawning and rearing of early life stages of the species to the perennial, lower reach of the Little Colorado River. Agencies and/or entities that should be encouraged to participate include, but is not restricted to, Arizona's Environmental Quality, Gamc and Fish, and Water Resources Dcpartments; Department of the Interior's Bureau of Indian Affairs, Bureau of Land Management, Bureau of Reclamation. Fish and Wildlife Service, Geological Survey, Office of Environmental Project Review, Office of Surface Mining, and National Park Service; Corps of Engineers; Environmental Protection Agency; Forest Service; Soil Conservation Service; Navajo Nation; and various counties and municipalities. l.:'?-/ ";':"- C'" "~ ' ('"I t~' !t, W~ "--:,'--" > C. Timing and Funding Reclamation will take the lead in developing the plan, securing cooperation. educating agencies and other entities on their responsibilities, compiling information on threats to humpback chub from activities in the watershed, and forming an active "action group" to keep this information current during the life of the project. An initial time frame for completing a draft of the plan is 18 months after the biological I