Large River Ecology 2

Session 23 (Contributed)
Tuesday, June 6, 10:15 AM-12:00 PM, Egan 3
Moderator: A.K. Macdonald

10:15 (141) Factors affecting habitat preference of macroinvertebrates in a floodplain environment in northwest montana.
M.R. Kendrick¹, F.R. Hauer², and L.A. Smock¹. ¹Department of Biology, Virginia Commonwealth University, Richmond, Virginia 23284, ²Department of Biology, University of Montana, Polson, MT 59860

10:30 (142) Spatial patterns of macroinvertebrate communities and the importance of off-channel habitats in Mississippi River Pool 25.
M.B. Flinn¹, M.R. Whiles^1,2, S.R. Adams³, and J.E. Garvey². ¹Department of Zoology, Southern Illinois University, Carbondale, IL 62901, ²Fisheries and Illinois Aquaculture Center, Southern Illinois University, Carbondale, IL 62901 , ³Department of Biology, University of Central Arkansas, Conway, AR 72035

10:45 (143) Spatial distribution of the threatened Bliss Rapids snail downstream from Bliss and Lower Salmon Dams.
B.M. Bean^1,2 and M.R. Dare². ¹Idaho Power Company, Boise, Idaho, USA, ²Department of Biology, Boise State University, Boise, Idaho, USA

11:00 (144) Assessment of the interacting effects of channel unit, substrate and hydraulics on benthic standing stock in the lower Muskegon River, Michigan .
C.M. Riseng, M.J. Wiley, B. Sparks-Jackson, M. Ladewig, and D.R. Solomon. School of Natural Resources and Environment, University of Michigan, Ann Arbor, MI 48109

11:15 (145) Studies of the freshwater polycheate Manayunkia speciosa, an intermediate host for myxozoan parasites that infect Pacific salmon in the Klamath River, California.
K.W. Cummins¹, M.A. Wilzbach², and G.L. Hendrickson³. ¹Institute for River Ecosystems, Humboldt State University, Arcata, CA USA 95521, ²USGS California Cooperative Fish Research Unit, Humboldt State University, Arcata, CA USA 95521, ³Department of Fisheries Biology, Humboldt State University, Arcata, CA USA 95521

11:30 (146) Benthic Trawling; Is There Anything Down There? Use of multiple collection methods for sampling a large river .
M.S. Wooten¹, R. Spear², and T. Proch². ¹Ohio River Valley Water Sanitation Commission, 5735 Kellogg Ave Cincinnati, OH 45228, ²Pennsylvania Dept. of Environmental Protection, 400 Waterfront Dr. Pittsburgh, PA 15222

11:45 (147) Assessment of deep water habitats of a large river estuary using the reference condition approach.
C.J. Perrin¹ and S. Sylvestre². ¹Limnotek Research and Development Inc., Vancouver, B.C., Canada V6R 2X3, ²Environment Canada, Vancouver, B.C. Canada, V6C 3S5