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Tyus, H.M. and C.A. Karp. 1989. Habitat Use and Streamflow Needs of Rare and Endangered
<br />' Fishes, Yampa River, Colorado, U.S. Fish and Wildlife Service, Biological Report, 89(14).
<br />U.S. Fish and Wildlife Service. 1987. Final Recovery Implementation Program for Endangered
<br />' Fish Species in the Upper Colorado River Basin. USFWS Region 6, Denver, Colorado.
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<br />• Cumulative impacts: There is a need to address the cumulative impacts of existing and
<br />future depletions, as well as other modifications to the Yampa River, to more clearly identify
<br />and quantify them. The PBO will examine not only the basin -wide impacts of depletions, but
<br />'
<br />also take into account other related consultations (e.g., Flaming Gorge, High Savery).
<br />• Reinitiation criteria: Population estimates are being developed for Colorado pikeminnow on
<br />the Yampa and Green rivers. Modde will develop similar criteria for the humpback chub as
<br />well. If fish populations fall below these criteria, consultation would be reinitiated. These
<br />criteria will be subject to the review and approval of a PBO stakeholders' workgroup and RIP.
<br />8. REFERENCES
<br />'
<br />BBC Research & Consulting, 1998. Yampa Valley Water Demand Study, Final Report, prepared
<br />for Recovery Program for Endangered Fishes of the Upper Colorado River, Yampa Fish
<br />Recovery and Water Management Plan, and the Yampa River Project Management Team.
<br />'
<br />Colorado Division of Wildlife Aquatic Wildlife Section, 1998. Aquatic Wildlife Management Plan,
<br />Yampa River Basin, Colorado.
<br />Harvey, M. D., R. A. Mussetter and E. J. Wick. 1993. A physical process - biological response
<br />model for spawning habitat formation for the endangered Colorado squawfish. Rivers 4(2)
<br />pp.114 -131, April 1993.
<br />'
<br />Hydrosphere Resource Consultants, 1993. Yampa River Basin, Alternatives Feasibility Study,
<br />Final Report, submitted to the Colorado River Water Conservation District, Glenwood Springs,
<br />'
<br />Colorado.
<br />Hydrosphere Resource Consultants, 1995a. Yampa River Basin Recommended Alternative,
<br />Detailed Feasibility Study.
<br />Hydrosphere Resource Consultants, 1995b. Reconnaissance Evaluation of Yampa River
<br />Diversion Structures, River Mile 53 to River Mile 179.
<br />'
<br />Miller, W.J. and D.E. Rees. 1997. Final Report: Colorado Pikeminnow Habitat Use and
<br />Movement During Summer Low Flow in the Yampa River Upstream from Cross Mountain
<br />Canyon, prepared for Colorado River Water Conservation District, Glenwood Springs, Colorado,
<br />Miller Ecological Consultants, Inc., Fort Collins, Colorado.
<br />Modde, T. and G. Smith. 1995. Flow Recommendations for Endangered Fishes in the Yampa
<br />'
<br />River, final report submitted to the Recovery Implementation Program for the Recovery of
<br />Endangered Fishes in the Upper Colorado River Basin, U.S. Fish and Wildlife Service, Denver,
<br />Colorado. 44 pp.
<br />'
<br />Modde,T., W.J. Miller, and R. Anderson (eds.). 1999. Determination of habitat availability,
<br />habitat use, and flow needs of endangered fishes in the Yampa River between August and
<br />October. Final Report submitted to the Recovery Implementation Program, U.S. Fish and
<br />Wildlife Service, Denver, Colorado. 134 pp.
<br />Tyus, H.M. and C.A. Karp. 1989. Habitat Use and Streamflow Needs of Rare and Endangered
<br />' Fishes, Yampa River, Colorado, U.S. Fish and Wildlife Service, Biological Report, 89(14).
<br />U.S. Fish and Wildlife Service. 1987. Final Recovery Implementation Program for Endangered
<br />' Fish Species in the Upper Colorado River Basin. USFWS Region 6, Denver, Colorado.
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