|
<br />." ~ . --
<br />
<br />Holden, P.B., and C.D. Stalnaker. 1975. Distribution and abundance of
<br />mainstream fishes of the Middle and Upper Colorado River Basins,
<br />1967-1973. Transactions of the American Fisheries Society 217-
<br />231.
<br />Holden, P.B., and E.J. Wick. 1982. Life history and prospects for
<br />recovery of Colorado squawfish. Pages 98-108 In W.H. Miller,
<br />H.M.Tyus, and C.A. Carlson, editors. Fishes of the upper Colorado
<br />River System: present and future. American Fisheries Society (WD),
<br />Bethesda, Maryland. 131 pp.
<br />Kaeding L.R., and D.B. Osmundson. 1988. Interaction of slow growth and
<br />increased early-life mortality: an hypothesis on the decline of
<br />Colorado squawfish in the upstream regions of its historic range.
<br />Environmental Biology of Fishes 22:287-298.
<br />Muller, K. 1978. Locomotor activity of fish and environmental
<br />oscillations. pp. 1-19. In J.E. Thorpe, editor. RhythmiC activity
<br />of fishes. Academic Press. New York.
<br />Nesler, T.P., R.T. Muth, and A.F. Wasowicz. 1988. Evidence for baseline
<br />flow spikes as spawning cues for Colorado squawfish in the Yampa
<br />River, Colorado. American Fisheries Society Symposium 5:68-78.
<br />Pflieger, W.L. 1975. The fishes of Missouri. Missouri Department of
<br />Conservation, Jefferson City. 343 pp.
<br />Rose, S., and J. Hamill. 1988. Help is on the way for rare fishes of the
<br />upper Colorado River basin. Endangered Species Technical Bulletin
<br />XII(8):1-7. U.S. Fish and Wildlife Service, Washington, D.C. USA
<br />Seethaler, K. 1978. Life history and ecology of the Colorado squawfish
<br />(Ptvchocheilus lucius) in the Upper Colorado River Basin. M. S.
<br />Thesis, Utah State University, Logan. 156 pp.
<br />Taba, S.S., J.R. Murphy, and H.H. Frost. 1965. Notes on the fishes of
<br />the Colorado river near Moab, Utah. Proceedings of the Utah Academy
<br />of Sciences, Arts, and Letters 42:280-283.
<br />Tyus, H.M. 1985. Homing behavior noted for Colorado squawfish. Copeia
<br />1985:213-215.
<br />Tyus, H.M. 1986. Life strategies in the evolution of the Colorado
<br />squawfish (Ptvchocheilus lucius). Great Basin Naturalist 46:656-
<br />661.
<br />Tyus, H.M. 1991. Potamodromy and reproduction of Colorado squawfish
<br />Ptvchocheilus lucius. Transactions of the American Fisheries
<br />Society. In press.
<br />Tyus, H.M., and G.B. Haines. 1991. Distribution, habitat use, and growth
<br />of age-O Colorado squawfish Ptvchocheilus lucius, in the Green
<br />River of Utah. Transactions of the American Fisheries Society, In
<br />press.
<br />Tyus, H.M., and C.A. Karp. 1989. Habitat use and streamflow needs of
<br />rare and endangered fishes, Yampa River, Colorado. U.S. Fish and
<br />Wildlife Service, Biological Report 89(14):1-27.
<br />U.S. Fish and Wildlife Service. 1987. Recovery implementation program
<br />for endangered fish species in the Upper Colorado River Basin.
<br />Region Six, Denver, Colorado. Six sections, various pagination.
<br />U.S. Fish and Wildlife Service. 1989. Endangered and threatened wildlife
<br />and plants. Title 50, Code of Federal Regulations, Chapter 1. U.S.
<br />Government Printing Office, Washington, D.C. 595 pp.
<br />Welcomme, R.L. 1979. Fisheries ecology of floodplain rivers. Longman,
<br />London and New York. 315 pp.
<br />Wick, E.J., D.L. Stoneburner, and J.A. Hawkins. 1983. Observations on
<br />the ecology of the Colorado squawfish (Ptvchocheilus lucius) in the
<br />Yampa River. U.S. National Park Service, Colorado Water Resources.
<br />Field Laboratory Rept. 83-7:1-55.
<br />
<br />51
<br />
<br />Received: 17 September 1990
<br />
<br />Accepted: 18 January 1991
<br />
|