Wednesday, August 8, 2007: 8:00 AM-11:30 AM
Blrm Salon I, San Jose Marriott
COS 67 - Food webs III: Aquatic and marine systems
8:00 AMCOS 67-1Omnivory simultaneously counteracts and short-circuits cascading predator effects in a marine food web
David Samuel Johnson, Louisiana State University, John W. Fleeger, Louisiana State University, Linda A. Deegan, Marine Biological Laboratory
8:20 AMCOS 67-2Cascading effects of the loss of apex predatory sharks from a coastal ocean
Ransom A. Myers, Dalhousie University, Julia K. Baum, Dalhousie University, Travis D. Shepherd, Dalhousie University, Sean P. Powers, University of South Alabama & Dauphin Island Sea Lab, Charles H. Peterson, University of North Carolina at Chapel Hill
8:40 AMCOS 67-3Trophic implications of nutrient enrichment in seagrass beds
Anna R. Armitage, Texas A&M University at Galveston, James W. Fourqurean, Florida International University
9:00 AMCOS 67-4Trait-mediated indirect interactions between a native and an invasive planktivore via zooplankton vertical migration
Kevin L. Pangle, Michigan State University, Scott D. Peacor, Michigan State University
9:20 AMCOS 67-5Eutrophication and pelagic-benthic coupling in a deep lake: What is different from shallow lakes?
Takefumi Nakazawa, Kyoto University, Youichirou Sakai, Kyoto University, Tadatoshi Koitabashi, Kyoto University, Ichiro Tayasu, Kyoto University, Norio Yamamura, Kyoto University, Noboru Okuda, Kyoto University
9:40 AM Break
9:50 AMCOS 67-6Nutrient composition degradation of Daphnia pulicaria by a highly prevalent chytridiomycete fungal pathogen (Polycaryum laeve) during naturally occurring lake-wide epidemics
Kenneth J. Forshay, University of Wisconsin - Madison, Pieter TJ Johnson, University of Colorado, Melanie Stock, University of Wisconsin - Madison, Stanley I. Dodson, University of Wisconsin - Madison
10:10 AMCOS 67-7Reciprocal subsidies to arthropod food webs in and around fishless ponds
Johanna M. Kraus, Virginia Commonwealth University
10:30 AMCOS 67-8Variation of food-chain lengths within small pond ecosystems
Hideyuki Doi, University of Washington, Kwang-Hyeon Chang, Ehime University, Takamitsu Ando, Ehime University, Shin-ichi Nakano, Ehime University
10:50 AMCOS 67-9Changes in stream food webs across gradients of ecosystem size, disturbance, and productivity: Adding a riverscape context to stream food webs
Angus R. McIntosh, University of Canterbury, Peter A. McHugh, Utah State University
11:10 AMCOS 67-10Invasive predators alter food webs by simplifying and eliminating trophic cascades
David L. Kimbro, University of California, Davis, Adam J. Baukus, Gulf of Maine Research Institute, Edwin D. Grosholz, University of California, Davis, Nicholas Nesbitt, California Polytechnic State University, San Luis Obispo, Nicole Travis, Brown University

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