Population Distribution: Studies of Dispersal, Behavior, and Genetics II

Session 16 (Special)
Thursday, May 30, 3:15 PM-5:00 PM, Allegheny I
Moderator: Monaghan, M.T.

3:15 (104) IS THERE A GENETIC BASIS FOR THE PHENOTYPIC DIFFERENCES AMONG BAETIS SPP. IN FISH AND FISHLESS STREAMS?
B.L. Peckarsky^1,2, J.M. Hughes³, and A.C. Encalada^1,2. ¹Department of Entomology, Cornell University, Ithaca, NY, ²Rocky Mountain Biological Laboratory, P.O. box 519, Crested Butte, CO, ³Cooperative Research Centre for Freshwater Ecology, Australian School of Environmental Studies, Griffith University, Nathan, Queensland, Australia

3:30 (105) FRESHWATER INVERTEBRATES ON OCEANIC ISLANDS: COLONIZATION, POPULATION STRUCTURE AND SPECIATION.
D.T. Bilton, L.C. Kelly, and S.D. Rundle. Department of Biological Sciences, University of Plymouth, Plymouth, UK PL4 8AA

3:45 (106) BLOWIN' IN THE WIND, ROLLIN' ON A RIVER: CAN BACTERIA CONTROL THEIR DISPERSAL, DISTRIBUTION, AND POPULATION STRUCTURE?
J.V. McArthur. Savannah River Ecology Laboratory, University of Georgia, Aiken, South Carolina 29802

4:00 (107) THE GENETIC STRUCTURE AND DISPERSAL OF THE MAYFLY BAETIS RHODANI INTO STREAMS RECOVERING FROM ACIDIFICATION.
H.C. Williams, S.J. Ormerod, and M.W. Bruford. Department of Biosciences, University of Wales Cardiff, Cardiff, South Wales, U.K. CF10 3TL

4:15 (108) GENETIC PATTERNS OF INTERCHANGING DREISSENA POLYMORPHA POPULATIONS: OBSERVATIONS AND EXPECTATIONS.
J.C. Mueller and E.M. Griebeler. Institute of Zoology, University of Mainz, 55099 Mainz, Germany

4:30 (109) HIERARCHICAL ANALYSIS OF GENETIC VARIATION IN FRESHWATER MUSSELS: COMPARISON OF ALLOZYMES AND DNA SEQUENCES.
D.M. Berg¹, C.L. Elderkin², A. Christian², J.L. Metcalfe-Smith³, C.C. Vaughn⁴, and S.I. Guttman². ¹Department of Zoology, Miami University, Hamilton, OH 45011, ²Department of Zoology, Miami University, Oxford, OH 45056, ³National Water Research Institute, Burlington, ON, Canada L7R 4A6, ⁴Department of Zoology and Oklahoma Biological Survey, University of Oklahoma, Norman, OK 73019

4:45 (110) DISENTANGLING THE EFFECTS OF ECOLOGICAL AND EVOLUTIONARY PROCESSES ON THE GENETIC STRUCTURE OF ALPINE STREAM INSECTS.
M.T. Monaghan, P. Spaak, C.T. Robinson, and J.V. Ward. Department of Limnology, EAWAG/ETH, 8600 Duebendorf, Switzerland