An Experimental Study of Vertical Habitat Use and Habitat Shifts in ...

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Surat, E. M., W. J. Matthews, and J. R. Bek. 1982. Comparative ecology of Notropis albeolus, N. ardens, and N. cerasinus (Cyprinidae) in the upper Roanoke River drainage, Virginia. American Midland Naturalist 107:13-24. Walser, C. A., B. Falterman, and H. L. Bart Jr. 2000. Impact of introduced rough shiner (Notropis baileyi) on the native fish community in the Chatahoochee River system. American Midland Naturalist 144:393-405. Wellman, D. 2004. Post-flood recovery and distributions of fishes in the New River Gorge National River, West Virgina. M. S. thesis. West Virginia University, Morgantown, West Virginia. Wiens, J. A. 1977. On competition in variable environments. American Scientist 65:590- 597. 45
Table 1. Results of Chi square Tests for Independence for Notropis congeners, N. scabriceps (Ns) and N. telescopus (Nt). P values < 0.05 indicated significant vertical differences between species. Group with Tank Ns Group Nt Group P value higher vertical N tank position Allotopic trials 1 & 2 A A P < .0001 Nt 320 Syntopic trials 1 A A P < .0001 Nt 200 2 B B P < .0005 Nt 200 3 C C P < .0001 Nt 200 1 C B P < .0001 Nt 200 2 A C P < .0166 Nt 200 3 B A P < .6997 — 200 1 B C P < .0001 Nt 200 2 C A P < .0031 Nt 200 3 A B P < .3900 — 200 Allotopic and syntopic trials combined 1–3 Allotopic A vs. Syntopic A - C — P < .0001 Syntopic 320 1–3 — Allotopic A vs. Syntopic A - C P < .0001 Allotopic 320 46
Page 1 and 2: An Experimental Study of Vertical H
Page 3 and 4: Acknowledgements I would like to th
Page 5 and 6: LIST OF TABLES Table 1. Results of
Page 7 and 8: In order for similar species to avo
Page 9 and 10: species diversity should increase (
Page 11 and 12: noting that the abundance of some s
Page 13 and 14: exhibited by species involved; the
Page 15 and 16: new environment (Dueser and Porter
Page 17 and 18: host environment, proposing that a
Page 19 and 20: Hybridization with introduced speci
Page 21 and 22: alteration may reduce the habitat s
Page 23 and 24: in the upper Greenbrier River and o
Page 25 and 26: ubiquitous, appearing in all channe
Page 27 and 28: Literature Cited Addair, J. 1944. T
Page 29 and 30: Gibbs, R. H. 1957. Cyprinid fishes
Page 31 and 32: Lobb, M. D., III. 1986. Habitat use
Page 33 and 34: Paybins, K. S., T. Messinger, J. H.
Page 35 and 36: Chapter 2: An Experimental Study of
Page 37 and 38: Introduction Non-native fishes nega
Page 39 and 40: native cyprinids on their native co
Page 41 and 42: enthic, near-benthic, lower-pelagic
Page 43 and 44: N. telescopus had modes in the lowe
Page 45 and 46: native species pairs were partially
Page 47 and 48: interspecific separation of vertica
Page 49: MacArthur, R. and R. Levins. 1967.
Page 53 and 54: Total Number of Occurrences 160 140
Page 55: Total Number of Occurrences 160 140

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