COS 121 - Trophic Dynamics And Interactions I

Wednesday, August 8, 2012: 1:30 PM-5:00 PM
C123, Oregon Convention Center
1:30 PM
 Shifts in zooplankton species composition affect nutritional food quality for fish
Pavel Kratina, Queen Mary University of London; Monika Winder, Department of Ecology, Environment and Plant Sciences, Stockholm University
1:50 PM
 Testing carbon limitation of a cave stream ecosystem using a whole-reach detritus amendment
Michael P. Venarsky, University of Alabama; Brock M. Huntsman, West Virginia University; Jonathan P. Benstead, University of Alabama; Alexander D. Huryn, University of Alabama
2:10 PM
 Predator-prey interactions as macro-scale drivers of species diversity in mammals
Christopher J. Sandom, Aarhus University; Brody Sandel, Aarhus University; Lars Dalby, Aarhus University; W. Daniel Kissling, Aarhus University; Kristian T. Nielsen, Aarhus University; Camilla Flojgaard, Aarhus University; Jonathan Lenoir Jr., Université de Picardie Jules Verne; Rasmus Ejrnæs, Aarhus University; Jens-Christian Svenning, Aarhus University
2:50 PM Cancelled
 The effects of a large-bodied apex predator cascade through a salt marsh food web
James C. Nifong, University of Florida; Brian R. Silliman, University of Florida
3:10 PM
3:20 PM
 Bottom-up and top-down processes affect eelgrass communities in British Columbia
Sarah L. Amundrud, University of British Columbia; Mary I. O'Connor, University of British Columbia; Diane S. Srivastava, University of British Columbia
3:40 PM
 Contrasting responses to changing ocean conditions: A tale of two seabirds
Annie E. Schmidt, University of California, Davis; Louis W. Botsford, University of California, Davis; John M. Eadie, University of California - Davis; Russell W. Bradley, Point Blue Conservation Science; Jaime Jahncke, Point Blue Conservation Science
4:00 PM
 Nutrient supplementation alters trophic dynamics within nests of the desert leafcutter ant Acromyrmex versicolor
Rebecca M. Clark, Texas A&M University; Jennifer H. Fewell, Arizona State University
4:20 PM
 Trophic cascades following disease-induced decline of an apex predator: Tasmanian devils, environmental variability and top-down vs bottom-up control
Menna E. Jones, University of Tasmania; Tracey Hollings, University of Tasmania; Nick Mooney, Department of Primary Industry, Parks, Water and Environment; Hamish I. McCallum, Griffith University
4:40 PM
 Spatial early warning signals discerned from prey fish behavior in whole-ecosystem regime shift experiment
Timothy J. Cline, University of Wisconsin-Madison; David A. Seekell, University of Virginia; Stephen R. Carpenter, University of Wisconsin - Madison; James R. Hodgson, St. Norbert College; James F. Kitchell, University of Wisconsin-Madison; Michael L. Pace, University of Virginia; Brian C. Weidel, US Geological Survey