20001 XYRAUCHEN TEXANUS IN LAKE MOHAVE
<br />razorback sucker. Environmental Biology of Fishes
<br />27:255-263.
<br />BULKLEY, R.V, AND R. PIMENTEL. 1983. Temperature pref-
<br />erence and avoidance by adult razorback suckers.
<br />Transactions of the American Fisheries Society 112:
<br />601-607.
<br />DOWLING, TE., WL. MINCKLEY AND P.C. MARSH. 1996.
<br />Mitochondrial DNA diversity within and among
<br />populations of razorback sucker(Xyrauchen texanus)
<br />as determined by restriction endonuclease analysis.
<br />Copeia 1996:542-550.
<br />FUNK, J.L. 1955. Movement of stream fishes in Missouri.
<br />Transactions of the American Fisheries Society 85:
<br />3957.
<br />GERKING, S.D. 1958. The restricted movement of fish
<br />populations. Biological Review 34:221-242.
<br />HOLDEN, EB., ED. ABATE, AND J.B. RUPPERT. 1997. Razor-
<br />back sucker studies on Lake Mead, Nevada:
<br />1996-1997 annual report. PR-578-1. Bio/West, Inc.,
<br />Logan, UT.
<br />MARSH, P.C. 1987. Food of adult razorback sucker in Lake
<br />Mohave, Arizona-Nevada. Transactions of the Amer-
<br />ican Fisheries Society 116:117-119.
<br />. 1994. Abundance, movements, and status of adult
<br />razorback sucker, Xyrauchen texanus, in Lake Mohave,
<br />Arizona and Nevada. Proceedings of the Desert
<br />Fishes Council 25(1993):65.
<br />MARSH, P.C., AND W.L. MINCKLEY. 1989. Observations on
<br />recruitment and ecology of razorback sucker: lower
<br />Colorado River, Arizona-California-Nevada. Great
<br />Basin Naturalist 49:71-78.
<br />McADA, C.W., AND R.S. WYDOSKI. 1980. The razorback
<br />sucker, Xyrauchen texanus, in the upper Colorado
<br />River basin, 1974-76. U.S. Fish and Wildlife Service
<br />Technical Paper 99:1-15.
<br />MEDEL-ULMER, L. 1983. Movement and reproduction of
<br />the razorback sucker(Xyrauchen texanus) inhabiting
<br />Senator Wash Reservoir, Imperial County, Califor-
<br />nia. Proceedings of the Desert Fishes Council 12
<br />(1980):106 (abstract).
<br />MINCKLEY, W.L. 1983. Status of the razorback sucker,
<br />Xyrauchen texanus (Abbott), in the lower Colorado
<br />River basin. Southwestern Naturalist 28:165-187.
<br />MINCKLEY, WL., PC. MARSH, J.E. BROOKS, J.E. JOHNSON,
<br />AND B.L. JENSEN. 1991. Management toward recov-
<br />ery of the razorback sucker. Pages 303-357 in W.L.
<br />Minckley and J.E. Deacon, editors, Battle against
<br />extinction: native fish management in the American
<br />West. University of Arizona Press, Tucson.
<br />MODDE, T., AND D.B. IRVING. 1998. Use of multiple
<br />spawning sites and seasonal movement by razorback
<br />suckers in the middle Green River, Utah. North
<br />American Journal of Fisheries Management 18:
<br />318-326.
<br />MODDE, T, AND E.J. WICK. 1997. Investigations of razor-
<br />back sucker distribution, movements, and habitats
<br />used during spring in the Green River, Utah. U.S.
<br />Fish and Wildlife Service Recovery Program Project
<br />Report 49, Vernal, UT.
<br />187
<br />MODDE, T, K.P. BURNHAM, AND E.J. WICK. 1996. Popula-
<br />tion status of the razorback sucker in the middle
<br />Green River (U.S.A.). Conservation Biology 10:
<br />110-119.
<br />MOYLE, P.B. 1976. Inland fishes of California. University
<br />of California Press, Berkeley and Los Angeles.
<br />MUELLER, G. 1989. Observations of spawning razorback
<br />sucker (Xyrauchen texanus) utilizing river habitat in
<br />the lower Colorado River, Arizona-Nevada. South-
<br />western Naturalist 34:147-149.
<br />. 1995. A program for maintaining the razorback
<br />sucker in Lake Mohave. American Fisheries Society
<br />Symposium 15:127-135.
<br />MUELLER, G., P.C. MARSH, AND G.W. KNOWLES. 1998.
<br />Distribution, migratory behavior, and habitat use of
<br />razorback sucker (Xyrauchen texanus) in Lake
<br />Mohave, Arizona-Nevada. Open-File Report 98-252,
<br />U.S. Geological Survey, MESC, Denver, CO. 88 pp.
<br />SCHOLZ, AT, R.J. WHITE, S.A. HORTON, AND WA.
<br />KOEHLER. 1992. Measurement of egg and larval thy-
<br />roxine concentration as an indicator of the critical
<br />period for imprinting in razorback sucker (Xyrau-
<br />chen texanus Abbott): implications for endangered
<br />stocks in the Colorado River basin. Colorado River
<br />Fisheries Project Technical Report 1, U.S. Depart-
<br />ment of Interior, Bureau of Reclamation, Salt Lake
<br />City, UT.
<br />SOKAL., W.R., AND F.J. ROHLF. 1981. Biometry. 2nd edition.
<br />W.H. Freeman and Co., New York.
<br />TYus, H.M. 1987. Distribution, reproduction, and habitat
<br />use of razorback sucker in the Green River, Utah,
<br />1979-1986. Transactions of the American Fisheries
<br />Society 116:111-116.
<br />TYus, H.M., AND C.A. KARP. 1990. Spawning and move-
<br />ments of razorback sucker, Xyrauchen texanus, in the
<br />Green River basin of Colorado and Utah. Southwest-
<br />ern Naturalist 35:427-433.
<br />USFWS (U.S. FISH AND WILDLIFE SERVICE). 1991. Endan-
<br />gered and threatened wildlife and plants: the razor-
<br />back sucker (Xyrauchen texanus) determined to be
<br />an endangered species. Federal Register 56(205 [23
<br />October 1991]):54957-54967.
<br />VALDEZ, R.A., AND E.J. WICK. 1981. Natural versus man-
<br />made backwaters as native fish habitat. Pages 519-536
<br />in V.D. Adams and V.A. Lamarra, editors, Aquatic
<br />resources management of the Colorado River eco-
<br />system. Ann Arbor Scientific Publishers, Ann Arbor,
<br />MI.
<br />WYDOSKI, R.S., AND E.D. WICK. 1998. Ecological value of
<br />floodplain habitats to razorback suckers in the upper
<br />Colorado River basin. Upper Colorado River Basin
<br />Recovery Program, U.S. Department of Interior, U.S.
<br />Fish and Wildlife Service, Denver, CO.
<br />Received 26 March 1999
<br />Accepted 16 August 1999
|