ESA/SER Joint Meeting (August 5 -- August 10, 2007)

COS 67 - Food webs III: Aquatic and marine systems

Wednesday, August 8, 2007: 8:00 AM-11:30 AM
Blrm Salon I, San Jose Marriott
8:00 AM
Omnivory 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 AM
Cascading effects of the loss of apex predatory sharks from a coastal ocean
Ransom A. Myers, Dalhousie University; Julia K. Baum, University of Victoria; 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 AM
Trophic implications of nutrient enrichment in seagrass beds
Anna Armitage, Texas A&M University at Galveston; James W. Fourqurean, Florida International University
9:00 AM
Trait-mediated indirect interactions between a native and an invasive planktivore via zooplankton vertical migration
Kevin L. Pangle, Central Michigan University; Scott Peacor, Michigan State University
9:20 AM
Eutrophication 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
9:50 AM
Nutrient composition degradation of Daphnia pulicaria by a highly prevalent chytridiomycete fungal pathogen (Polycaryum laeve) during naturally occurring lake-wide epidemics
Kenneth J. Forshay, United States Environmental Protection Agency; Pieter TJ Johnson, University of Colorado at Boulder; Melanie Stock, University of Wisconsin - Madison; Stanley I. Dodson, University of Wisconsin - Madison
10:30 AM
Variation of food-chain lengths within small pond ecosystems
Hideyuki Doi, University Oldenburg; Kwang-Hyeon Chang, Ehime University; Takamitsu Ando, Ehime University; Shin-ichi Nakano, Ehime University
10:50 AM
Changes 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, Washington Department of Fish & Wildlife
11:10 AM
InvasiveĀ predators alter food webs by simplifying and eliminating trophic cascades
David L. Kimbro, Northeastern University; 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