Large Rivers 2

Session 21 (Contributed)
Tuesday, June 8, 10:15 AM-12:00 PM, IRC4
Moderator: L. Rempel

10:15 (136) Temporal variation in Ohio River macroinvertebrates: a historical rock basket comparison, 1960's to present. .
M.S. Wooten¹, E.B. Emery¹, and B.R. Johnson². ¹Ohio River Valley Water Sanitation Commission, 5735 Kellogg Ave, Cincinnati, OH 45228, ²United States Environmental Protection Agency, Ecological Exposure Research Division, 26 W. Martin Luther King Dr. Cincinnati, OH 45268

10:30 (137) Kootenai River investigations: using an ecosystem approach to evaluate fisheries declines in a 6th order regulated river in northern IDAHO, USA.
C.E. Holderman¹ and R. Hardy². ¹Department of Fish and Wildlife, Kootenai Tribe of Idaho, P.O. Box 1269, Bonners Ferry, ID 83805, ²Idaho Department of Fish and Game, 2750 Kathleen Ave., Cour d’ Alene, ID 83814

10:45 (138) Abiotic influences on abundance and distribution of Vallisneria americana Michx. in navigation Pool 8 of the Upper Mississippi River .
R.M. Kreiling^1,2, Y. Yin², and D.T. Gerber¹. ¹Rivers Studies Center, University of Wisconsin-La Crosse, La Crosse, WI 54601, ²Upper Midwest Environmental Sciences Center, US Geological Survey, La Crosse, WI 54603

11:00 (139) Large-scale surface-subsurface water exchange and ecosystem processes along a braided corridor of a large gravel-bed river (Tagliamento River, Italy).
M. Döring, D. Schlaepfer, A. Rotach, U. Uehlinger, and K. Tockner. Departement of Limnology, EAWAG, CH-8600 Dübendorf, Switzerland

11:15 (140) Primary production and stream order - Are long-held assumptions correct?
J.H. Thorp, D.G. Huggins, and D.S. Baker. Kansas Biological Survey, University of Kansas, Lawrence, KS, USA 66047-1537

11:30 (141) Airborne hyperspectral remote sensing and the identification of algal distribution and abundance in a gravel-bed river floodplain.
D.C. Whited, S. Ondov, and F.R. Hauer. Flathead Lake Biological Station, Division of Biological Sciences, The University of Montana, Polson, MT 59860

11:45 (142) "Concave islands": Ecology of parafluvial ponds along river corridors.
K. Tockner and U. Karaus. Department of Limnology, EAWAG, 8600 Dübendorf, Switzerland