Large River Ecology

Session 44 (Contributed)
Saturday, June 1, 8:00 AM-9:45 AM, Allegheny III
Moderator: Elderkin, C.L.

8:00 (296) POPULATION GENETICS OF THE ZEBRA MUSSEL, DREISSENA POLYMORPHA, IN THE MISSISSIPPI RIVER USING AFLP: A COMPARISON TO PREVIOUS ALLOZYME RESULTS.
C.L. Elderkin¹, E. Perkins², P. Leberg³, P.L. Klerks³, and R. Lance². ¹Miami University, Department of Zoology, 212 Pearson Hall, Oxford, OH 45056, ²US Army Corps Engineers, Environmental Lab, Engineering Research and Development Center, 3909 Halls Ferry Rd, Vicksburg, MS 39180, ³University of Louisiana — Lafayette, Department of Biology, P.O. Box 42451, Lafayette, LA 70504

8:15 (297) ZOOBENTHOS ALONG LATERAL AND LONGITUDINAL GRADIENTS IN THE TAGLIAMENTO RIVER (N.E. ITALY).
D.B. Arscott, K. Tockner, and J.V. Ward. Department of Limnology, Swiss Federal Institute of Environmental Science and Technology (EAWAG), 8600-Dübendorf, Switzerland

8:30 (298) AERIAL PHOTO ANALYSIS OF THE MIDDLE RIO GRANDE NEAR ALBUQUERQUE, NEW MEXICO, FROM 1935 TO 2000.
M.J. Harner and M.C. Molles. Department of Biology, University of New Mexico, Albuquerque, NM 87131

8:45 (299) TEMPORAL CHANGES IN THE OHIO RIVER FISH COMMUNITY.
J.A. Thomas and E.B. Emery. Ohio River Valley Water Sanitation Commission (ORSANCO), 5735 Kellogg Avenue, Cincinnati, OH 45228

9:00 (300) HISTORICAL TRENDS IN THE MACROINVERTEBRATE COMMUNITY OF THE OHIO RIVER.
M.S. Wooten and E.B. Emery. Ohio River Valley Water Sanitation Commission (ORSANCO), 5735 Kellogg Avenue, Cincinnati, OH 45228

9:15 (301) PATTERNS OF NITROGEN CONCENTRATIONS AND EXPORT FROM NAVIGATION POOL 8 OF THE UPPER MISSISSIPPI RIVER.
E.A. Strauss, W.B. Richardson, J.C. Cavanaugh, L.A. Bartsch, and D.M. Soballe. US Geological Survey, Upper Midwest Environmental Sciences Center, 2630 Fanta Reed Rd., La Crosse, WI 54603

9:30 (302) DEVELOPMENT OF A BIOLOGICAL ASSESSMENT PROGRAM FOR NONWADEABLE RIVERS IN MICHIGAN.
K.J. Wessell¹, R.W. Merritt¹, K.W. Cummins², J.G. Opdyke³, and J.D. Allan³. ¹Department of Entomology, Michigan State University, E. Lansing, MI 48824, ²Humboldt State University, California Cooperative Fishery Unit, Arcata, CA, ³School of Natural Resources and Environment, University of Michigan, Ann Arbor, MI