Food Webs 3

Session 68 (Contributed)
Thursday, June 10, 1:00 PM-2:45 PM, TBA
Moderator: D. Allan

1:00 (460) Effects of temperature and periphyton stoichiometry on rates and ratios of nitrogen and phosphorus excretion by stream macroinvertebrates.
J.D. Rothlisberger¹, M.A. Baker¹, and P.C. Frost². ¹Department of Biology, Utah State University, Logan, Utah, United States of America 84321, ²Department of Biological Sciences, University of Notre Dame, Notre Dame, Indiana, United States of America 46556

1:15 (461) Response of a stream macroinvertebrate community to a wastewater treatment plant as revealed by stable C- and N-isotopes.
G.A. Singer, M. Panzenboeck, G. Weigelhofer, C. Marchesani, and T.J. Battin. Institute of Ecology and Conservation Biology, University of Vienna, 1090 Vienna, Austria

1:30 (462) Topological properties of food webs: patterns of self-similarity.
J.M. Schmid-Araya, P.E. Schmid, and A.G. Hildrew. School of Biological Sciences, University of London, Mile End Road London E1 4NS, United Kingdom

1:45 (463) Seasonal trophic pathways and prey availability for stream salmonids.
M.A. Wilzbach¹, K.W. Cummins², and J.J. Matousek³. ¹USGS California Cooperative Fish Research Unit, Humboldt State University, Arcata, California, USA 95521, ²Institute for Forest and Watershed Management, Humboldt State University, Arcata, California, USA 95521, ³Fisheries Department, College of Natural Resources, Humboldt State University, Arcata, California, USA 95521

2:00 (464) Emergence of adult aquatic insects in coniferous and hardwood-dominated reaches, Coast Range, Oregon.
S. Premdas² and J.L. Li¹. ¹Department of Fisheries and Wildlife, Oregon State University, Corvallis, OR 97331, ²Bureau of Land Management, Eugene District, 2890 Chad Drive, Eugene, OR 97408-7336

2:15 (465) Trophic flows across ecosystems: relationships among terrestrial invertebrate inputs, cutthroat trout, and benthic communities.
Y. Zhang and J.S. Richardson. Department of Forest Sciences, University of British Columbia, Vancouver, BC, Canada V6T 1Z4

2:30 (466) Macroinvertebrate colonization and incorporation of marine-derived nutrients from Atlantic salmon carcasses in a Scottish Highland stream.
K.H. Nislow¹, P. Collen², J. Keay², J.D. Armstrong², and B.P. Kennedy³. ¹USDA Forest Service, Northeastern Research Station, Amherst, MA 01003, ²Scottish Fisheries Service Freshwater Laboratory, Faskally, UK PH16 5LB, ³Department of Geological Sciences, University of Michigan, Ann Arbor, MI 48109