Session: Community Ecology and Trophic Interactions of Fishes, Part 3 (144th Annual Meeting of the American Fisheries Society)

8:20 AM

Th-303B-1

Genetic Barcoding of Gut Contents: From Partially-Digested Tissue to Species Identity
Matthew B. Ogburn, Smithsonian Environmental Research Center; Rob Aguilar, Smithsonian Environmental Research Center; Lee Weigt, Smithsonian Institution, National Museum of Natural History; Amy Driskell, Smithsonian Institution, National Museum of Natural History; Anson H. Hines, Smithsonian Environmental Research Center

8:40 AM

Th-303B-2

A Bayesian Hierarchical Approach for Estimating the Probability of Detecting a New Prey Item: How Many Stomach Samples Is Enough?
Samantha M. Binion, North Carolina State University; Brian J. Reich, North Carolina State University; Jeffrey A. Buckel, North Carolina State University

9:00 AM

Th-303B-3

Energy Acquisition and Allocation to Egg Production in Relation to Fish Reproductive Strategies
Richard McBride, NOAA Fisheries; Stylianos Somarakis, Hellenic Centre for Marine Research; Gary R Fitzhugh, NOAA Fisheries; Anu Albert, Estonian Marine Institute; Nathalia Yaragina, Polar Research Institute of Marine Fisheries and Oceanography; Mark J. Wuenschel, NOAA Fisheries; Alexandre Alonso-Fernández, Instituto de Investigaciones Marinas, IIM-CSIC; Gualtiero Basilone, IAMC-CNR UOS of Torretta Granitola

9:20 AM

Th-303B-4

Hatcheries Disrupt Maternal Effects on Stable Isotope Signatures of Atlantic Salmon
Carlos Garcia de Leaniz, Swansea University; Elizabeth Price, Swansea University; David Soto, Canadian Rivers Institute and University of New Brunswick; Victoria Hobson, Swansea University

9:40 AM

Th-303B-5

Effects of Anadromous Sea Lamprey As Vectors of Marine-Derived Nutrients in Freshwater Ecosystems
Daniel Weaver, Maine Cooperative Fish and Wildlife Research Unit; Stephen Coghlan Jr., University of Maine; Joseph Zydlewski, U.S. Geological Survey, Maine Cooperative Fish and Wildlife Research Unit; Michael Canton, Hollings Scholar, National Oceanic and Atmospheric Administration

10:00 AM

Th-303B-6

Thursday Morning Break

10:30 AM

Th-303B-6

Estimating the Density of Prey Available to Juvenile Salmonids in a Large River: Applications of an Aquatic Ecosystem Model
Mark Henderson, National Oceanic and Atmospheric Administration; Eric Danner, National Marine Fisheries Service; Andrew Pike, University of California Santa Cruz

10:50 AM

Th-303B-7

Diet Flexibility As an Indicator of Resilience in Lake Turkana, Kenya Fish Communities
Natasha Gownaris, Stony Brook University; Ellen K. Pikitch, Stony Brook University; Les Kaufman, Boston University and Conservation International; William Ojwang, Kenya Marine and Fisheries Research Institute

11:10 AM

Th-303B-8

Assemblage and Trophodynamic Structure of Three Prairie Rivers during the Initial Invasion of Bighead Carp Hypophthalmichthys Nobilis and Silver Carp H. Molitrix
Cari-Ann Hayer, South Dakota State University; Katie Bertrand, South Dakota State University; Brian D.S. Graeb, South Dakota State University; Robert Klumb, US Fish and Wildlife Service

Th-303B-9

Competitive Interactions Between Common Carp and Bighead Carp (Withdrawn)

11:50 AM

Th-303B-10

Annual and Ontogenetic Variation in the Diet of Lake Trout (Salvelinus namaycush) Using Stable Isotope Mixing Model
Lingbo Li, The University of British Columbia; Paul J. Blanchfield, Fisheries and Oceans Canada

12:10 PM

Th-303B-11

Thursday Lunch

1:30 PM

Th-303B-11

Sharing the Top of the Bottom: Environmental Influences on Trophic Niche Dimensions and Overlap of Two Common Benthivorous Fishes of Boreal Lakes
Ashley Stasko, University of Waterloo; Tom Johnston, Ontario Ministry of Natural Resources; Graeme Hamilton, Laurentian University; Brett Nugent, Laurentian University; Pete Cott, Laurentian University; John Gunn, Cooperative Freshwater Ecology Unit, Laurentian University

1:50 PM

Th-303B-12

Predation Risk and Prey Fish Vertical Migration in Lake Superior: Insights from an Individual Based Model of Siscowet (Salvelinus namaycush)
Thomas R. Hrabik, University of Minnesota, Duluth; Brian M. Roth, Michigan State University; Tyler Ahrenstorff, Minnesota Department of Natural Resources

2:10 PM

Th-303B-13

Quantifying Piscivory in Buffalo Bill Reservoir: Are the Wild Oncorhynchus Fisheries Sustainable?
Clark Johnson, Colorado State University; Brett M. Johnson, Colorado State University; Jason Burckhardt, Wyoming Game and Fish Department; Travis Neebling, Wyoming Game and Fish Department

2:30 PM

Th-303B-14

Testing Bottom-up and Top-Down Processes in Communities: A Cointegration Approach
Can Zhou, Texas A&M University; Masami Fujiwara, Texas A&M University

2:50 PM

Th-303B-15

Beyond Description: A Size-Based Approach to Assess Intra and Inter-Specific Diet Overlap and Predator Foraging Behaviour
Francis Juanes, University of Victoria; David Stormer, University of Victoria; Amy Teffer, University of Victoria

3:10 PM

Th-303B-16

Thursday Afternoon Break

Th-303B-16

Context-Dependent Ecological Effects of Trophic Trait Evolution Reinforce Cultural Eutrophication (Withdrawn)