8:00 LINKING SPECIES DIVERSITY TO THE FUNCTIONING OF ECOSYSTEMS: ON THE IMPORTANCE OF ENVIRONMENTAL CONTEXT.
B.J. Cardinale and M.M. Palmer. Department of Biology, University of Maryland, College Park, MD 20742

8:15 BOTTOM-UP HYDRAULIC CONTROL OF STREAM ECOSYSTEMS.
D.D. Hart^1,2, B.J.F. Biggs², and V.I. Nikora². ¹Patrick Center for Environmental Research, Academy of Natural Sciences, Philadelphia, PA 19103, ²National Institute of Water and Atmospheric Research, Christchurch, New Zealand

8:30 CONTEXT-DEPENDENT VARIATION IN MICROALGAL SPECIES PERFORMANCE IN LOTIC SYSTEMS.
C.G. Peterson. Department of Natural Science, Loyola University Chicago, 6525 N. Sheridan Rd., Chicago, IL 60626

8:45 CONTEXT DEPENDENCE IN THE CRAYFISH-CLADOPHORA INTERACTION: IS TEMPERATURE IMPORTANT?.
R.P. Creed. Department of Biology, Appalachian State University, Boone, NC 28608

9:00 MEDIATION OF ALGAL-GRAZER AND GRAZER-GRAZER INTERACTIONS: THE ROLE OF CURRENT VELOCITY.
T. Wellnitz and N.L. Poff. Department of Biology, Colorado State University, Ft. Collins, CO 80523

9:15 CONTEXT DEPENDENT INTERACTIONS IN A TROPICAL STREAM: VARIATION IN THE INFLUENCE OF GRAZING FISHES AND NUTRIENTS.
A.S. Flecker¹, B.W. Taylor¹, J.P. Hood², E.S. Bernhardt¹, W.K. Cornwell¹, S.R. Cassatt¹, and M.J. Vanni². ¹Department of Ecology & Evolutionary Biology, Cornell University, Ithaca, NY, 14853, ²Department of Zoology, Miami University, Oxford, OH, 45056

9:30 CONTEXT DEPENDENCY OF GRAZER RESPONSES TO PREDATORS IN FISH AND FISHLESS STREAMS OF WESTERN COLORADO.
B.L. Peckarsky¹ and A.R. McIntosh². ¹Department of Entomology, Cornell University, Ithaca, NY 14853 USA, ²Department of Zoology, University of Canterbury, Christchurch, NZ

9:45 THE CONTEXT DEPENDENCY OF INDIRECT EFFECTS OF PREDATORS ON ALGAL RESOURCE PATCHINESS MEDIATED THROUGH GRAZER BEHAVIOUR.
A.R. McIntosh^1,3 and B.L. Peckarsky^2,3. ¹Department of Zoology, University of Canterbury, Christchurch, New Zealand, ²Department of Entomology, Comstock Hall, Cornell University, Ithaca, NY14853, USA, ³Rocky Mountain Biological Laboratory, Crested Butte, CO 81224, USA