Trophic Ecology I

Wednesday, September 15, 2010: 8:20 AM-12:00 PM
303 (Convention Center)
Moderator:
Tyler J. Stubbs
8:20 AM
Trophic relationships among northern Lake Huron forage fish and zooplankton in 2007
Bruce M. Davis, USGS Great Lakes Science Center; David B. Bunnell, USGS Great Lakes Science Center; Jacqueline F. Savino, USGS Great Lakes Science Center; Margret A. Chriscinske, USGS Great Lakes Science Center; Guadalupe Cummins, USGS Great Lakes Science Center; Lynn M. Ogilvie, USGS Great Lakes Science Center
8:40 AM
Evaluating the evidence for top-down control of the Lake Huron zooplankton community in 2007
David B. Bunnell, USGS Great Lakes Science Center; Bruce M. Davis, USGS Great Lakes Science Center; David M. Warner, USGS Great Lakes Science Center; Margret A. Chriscinske, USGS Great Lakes Science Center; Guadalupe Cummins, USGS Great Lakes Science Center; Lynn Ogilvie, USGS Great Lakes Science Center; Stephen C. Riley, PhD, U. S. Geological Survey
9:00 AM
Return from the dead: Great Lakes shift toward more pristine conditions due to phosphorus reduction and dreissenid mussels
Stephen R. Hensler, M., S., University of Michigan; David J. Jude, Ph., D., University of Michigan; Richard Barbiero, Ph., D., DynCorp. I&ET, Inc.; Thomas F. Nalepa, Ph., D., National Oceanic and Atmospheric Administration; Edward F. Roseman, Ph.D., USGS Great Lakes Science Center; Thomas H. Johengen, Ph., D., University of Michigan; Charles P. Madenjian, PhD, USGS Great Lakes Science Center
9:20 AM
The fish communities of nearshore and offshore waters of Lake Superior: Patterns, trends and connections
Owen T. Gorman, PhD, U.S. Geological Survey; Thomas Hrabik, Ph.D., University of Minnesota, Duluth
9:40 AM
Ecosystem level assessments of hypoxia impacts on the food web and fisheries of Lake Erie
Hongyan Zhang, PhD, University of Michigan; Edward S. Rutherford, PhD, NOAA Great Lakes Environmental Research Laboratory; Doran Mason, PhD, NOAA Great Lakes Environmental Research Laboratory; Timothy, B. Johnson, PhD, Ontario Ministry of Natural Resources; Aaron T. Adamack, PhD, University of Michigan; Xinhua Zhu, PhD, University of Windsor; Don Scavia, PhD, University of Michigan
10:00 AM
Break
10:20 AM
When bugs are hard to find?
Kristen M. DeVanna, University of Toledo; Christine M. Mayer, PhD, University of Toledo; Don W. Schloesser, USGS Great Lakes Science Center
10:40 AM
Monitoring the depth distribution of lake trout in two lakes with different food webs
Liset Cruz-Font, University of Toronto; Brian J. Shuter, Ontario Ministry of Natural Resources and Dept of Ecology and Evolutionary Biology, University of Toronto; Paul J. Blanchfield, Fisheries and Oceans Canada; Lori S. Tate, Fisheries and Oceans Canada
11:00 AM
Tracing energy flow pathways to fish using stable hydrogen and oxygen isotopes and fatty acids
Neil P. Rude, Southern Illinois University Carbondale; Jesse T. Trushenski, PhD, Southern Illinois University Carbondale; Gregory W. Whitledge, Southern Illinois University
11:20 AM
Shifts in the stable carbon and nitrogen isotope signatures of rainbow and greenside darters exposed to a municipal wastewater effluent in the Speed River, Ontario
Chris S. Robinson, University of Waterloo; Carolyn Brown, BSc, University of Waterloo; Ken D. Oakes, PhD, University of Waterloo; Mark E. McMaster, PhD, Environment Canada; David R. Barton, PhD, University of Waterloo; Gerald Tetreault, MSc, Environment Canada; Mark R. Servos, PhD, University of Waterloo
11:40 AM
Stable isotopes analysis vs. TROPH: A comparison of methods for estimating trophic positions of fish in a subtropical estuarine system
Felipe Amezcua, PhD, Universidad Nacional Autónoma de México; Martin Soto, PhD, Universidad Nacional Autónoma de México; Juan Madrid, PhD, Instituto Nacional de Pesca
See more of: Contributed Abstracts