3:15 DO COEXISTING CRAYFISH HAVE SIMILAR EFFECTS ON A STREAM COMMUNITY?.
B.S. Helms and R.P. Creed. Department of Biology, Appalachian State University, Boone, North Carolina 28608

3:30 THE NATURAL DIET AND FEEDING PREFERENCES OF THE INVASIVE CHINESE MITTEN CRAB, ERIOCHEIR SINENSIS: IMPLICATIONS FOR CALIFORNIA FRESHWATER COMMUNITIES.
L.A. Rogers. Department of Environmental Science, Policy and Management, University of California, Berkeley; Berkeley, California 94720 USA

3:45 RODENT CONTROLS ON ENDANGERED SALMON POPULATIONS.
M.M. Pollock. National Marine Fisheries Service, Northwest Fisheries Science Center, 2725 Montlake Blvd. East, Seattle, WA 98112

4:00 THE INFLUENCE OF PHYTOPLANKTON IN TEMPORARY STREAMS IN THE ALGARVE REGION OF SOUTHERN PORTUGAL.
J. Caeiro¹ and H. Casaca². ¹Water Laboratory, Applied Ecology Center, University of Évora, Apt 94 7004 Évora Codex -Portugal, ²Water Laboratory, Applied Ecology Center, University of Évora, Apt 94 7004 Évora Codex -Portugal

4:15 ELECTROBUG SAMPLING: IMPLICATIONS FOR BASIC, APPLIED AND LARGE-SCALE RESEARCH IN STREAM ECOSYSTEMS - SOMETHING FOR EVERYONE!.
B.W. Taylor^1,3, A.R. McIntosh^1,2, and B.L. Peckarsky^1,3. ¹Rocky Mountain Biological Laboratory, P.O. Box 519, Crested Butte, Colorado, USA, ²Department of Zoology, University of Canterbury, Christchurch, New Zealand, ³Department of Entomology, Cornell University, Ithaca, New York, USA

4:30 EFFECTS OF FLOW REFUGIA AND FOOD RESOURCES ON COLONIZATION OF MACROINVERTEBRATES DURING A HIGH FLOW EVENT.
J. Negishi and J.S. Richardson. Department of Forest Sciences, University of British Columbia, Vancouver, BC, Canada V6T 1Z4

4:45 THE EFFECT OF ENVIRONMENTAL STABILITY ON HYPORHEIC COMMUNITY STRUCTURE.
R.T. Fowler and R.G. Death. Institute of Natural Resources-Ecology, Massey University, Private bag 11-222 Palmerston North, New Zealand

5:00 OCEANS APART - DO ECOLOGICAL PATTERNS PERSIST DESPITE GEOGRAPHICAL SEPARATION.
R.M. Thompson and C.R. Townsend. Dept. of Zoology, University of Otago, P.O.Box 56, Dunedin, New Zealand.