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<br />CLARKSON ET AL.
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<br />Suttkus, R.D., and G.H. Clemmer. 1976. Survey of fishes, mammals and herpetofauna of
<br />the CoIorado River in Grand Canyon. Grand Canyon National Park Colorado River
<br />Research Program Final Report, Technical Report No.5.
<br />Thompson, J.M., E.P. Bergersen, C.A. CarIson, and L.R. Kaeding. 1991. RoIe of size,
<br />condition, and lipid content in the overwinter survival of age-Q CoIorado squawfish.
<br />Transactions of the American Fisheries Society 120:346-351.
<br />Turner, R.M., and M.M. Karpiscalc. 1980. Recent vegetation changes along the Colorado
<br />River between GIen Canyon Dam and Lake Mead, Arizona. Geological Survey
<br />Professional Paper 1132.
<br />Tyus, H.M. 1986. Life strategies in the evoIution of the CoIorado squawfish
<br />(Ptychocheilus lueius). Great Basin Naturalist 46:656-661.
<br />Tyus, H.M. 1987. Distribution, reproduction, and habitat use of the razorback sucker in
<br />. - the Green River, Utah, 1979-1986. Transactions of the American Fisheries Society
<br />.-'" II6:II1-II6. . . '
<br />Tyus, H.M. '- 1990. Potamodromy and reproduction of Colorado squawfish in the. Green
<br />- ,.. River basin, Colorado and Utah. Transactions of the American Fisheries Society
<br />II9: 1035-1047.
<br />Tyus, H.M;, and G.B. Haines. 1991.. Distribution, habitat use, and growth of the CoIorado
<br />,." squaWfish in the Green River basin, Colorado and Utah. Transactions of the American
<br />... Fisheries Society 120:79-89. ' . . ,. .
<br />Tyus, H.M., and C.A. Karp. .. 1989.. Habitat use' and streamflow needs of rare and
<br />endangered fishes, Yampa River, CoIorado. U.S. Fish and WildIifeService BioIogical
<br />Report 89(14). 27 pp.
<br />Tyus; H.M.; and C~A; Karp.. 1990. Spawning and movements of razorback sucker,
<br />. : - .." Xyraiichen texanus, in the Green River basin of Colorado and Utah. The Southwestern
<br />Naturalist 35:427:433." . . ..
<br />Tyus; H.M., and C.A. Karp. I99l. Habitat use and streamflow needs of rare and
<br />- ~;:>ceiidaiigered fishes in the Green River, Utah.. Final Report submitted to U.S. Fish and
<br />;,,~,,' Wildlife Service, Flaming Gorge Studies Program, Vernal, Utah.
<br />U.S. Bureau of Sport Fisheries and Wildlife. 1958. A report on fish and wildlife resources
<br />,- '-~Jn're1ation to Glen Canyon Unit, Colorado River Storage Project, CoIorado River,
<br />.;;;-';, Utah and Arizona: Revised June 1958.: Southwestern Region, AIbuquefque, NM.
<br />U.S. Fish and Wildlife Service (USFWS). 1978. BioIogical opinion on the effects of GIen
<br />" ., n Canyon Dam on the CoIorado River as it affects endangered species. Memorandum
<br />from Regional Director, U.S. Fish and Wildlife Service to Acting Regional Director
<br />d;'jr, Hard Noble, U.S. Bureau of Reclamation.' . .. - . ,
<br />Ush~;H.D~, and D. W. Blinn. 1990. Influence of various exposure periods on the biomass
<br />.and chlorophyll a on Cladophora glomerara (Chlorophyta). -- Journal of PhycoIogy
<br />26:244-249.
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