Communities & Ecosystems: Foodwebs

Wednesday, August 22, 2012: 3:30 PM-5:15 PM
Ballroom E (RiverCentre)
3:30 PM
W-E-25
Land Use and Seasonality Influence Fish Trophic Position and Food Web Structure in Headwater Streams
Eden L. Effert, University of Illinois; Robert U. Fischer, University of Alabama at Birmingham; David H. Wahl, Illinois Natural History Survey

3:45 PM
W-E-26
Food Web Dynamics in Bright Angel Creek, Grand Canyon: Implications for Native Fish Conservation
Daniel P. Whiting, University of Missouri, Cooperative Fish and Wildlife Research Unit; Craig P. Paukert, USGS Missouri Cooperative Fish and Wildlife Research Unit; Brian D. Healy, National Park Service, Grand Canyon National Park; Jonathan J. Spurgeon, University of Missouri

4:00 PM
W-E-27
Effects of the Shrimp Fishery in the SE Gulf of California: Diminishing the Links of Aquatic Food Chains
Felipe Amezcua Jr., Universidad Nacional Autónoma de México

4:15 PM
W-E-28
Interannual Variability in Trophic Relationships of Fish in a Pristine North Temperate Lake
Talia Young, Rutgers University; Olaf Jensen, Rutgers University; Brian Weidel, USGS Great Lakes Science Center; Sudeep Chandra, University of Nevada

4:30 PM
W-E-29
Ontogenetic Patterns in Isotopic Composition of Northern Fishes
Tom Johnston, Ontario Ministry of Natural Resources; Pete Cott, Department of Fisheries and Oceans; Ashley Stasko, Cooperative Freshwater Ecology Unit, Laurentian University; Rex Tang, Laurentian University; John Gunn, Cooperative Freshwater Ecology Unit, Laurentian University

4:45 PM
W-E-30
Acoustic Scattering Patterns in Puget Sound Over the Summer Period
Iris M. Kemp, University of Washington; David A. Beauchamp, U.S. Geological Survey, WA Cooperative Fish & Wildlife Research Unit

5:00 PM
W-E-31
Food Web Interactions in Pyramid Lake, Nevada: Factors Influencing Lahontan Cutthroat Trout Growth and Production
Nicholas Heredia, Utah State University; Phaedra Budy, Utah State University; Gary P. Thiede, Utah State University

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