[UNKNOWN: PRESTIME] Laundré, John^*,1, Hernández, Lucina¹, Fowles, Gretchen², ¹ Instituto de Ecología, A.C., Aldama, Chihuahua, Mexico² Idaho State University, Pocatello, ID. Testing the ecology of fear: do prey operate with imperfect information on the whereabouts of their predators?

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[UNKNOWN: PRESTIME] Eklov, Peter^*,1, Svanback, Richard¹, ¹ Uppsala University, 752 36, Uppsala, Sweden, Sweden. Mechanisms of resource polymorphism: Responses to differences in predation risk among habitats.

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[UNKNOWN: PRESTIME] Steinmetz, Jeff^*,1,2, Soluk, Daniel^1,2, Kohler, Steven³, ¹ University of Illinois, Urbana, IL² Illinois Natural History Survey, Champaign, IL³ Western Michigan University, Kalamazoo, MI. Facilitation between herons and bass on common minnow prey: death from above and below.

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[UNKNOWN: PRESTIME] Vance, Heather^*,1, Soluk, Daniel^1,2, ¹ University of Illinois, Urbana-Champaign, IL² Illinois Natural History Survey, Champaign, IL. Evaluating the prevalence of non-additivity for multiple predator species in aquatic systems.

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[UNKNOWN: PRESTIME] SCHOEPPNER, NANCY^*,1, RELYEA, RICK¹, ¹ University of Pittsburgh, Pittsburgh, PA. You are what you eat: How prey discriminate among predator diets.

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[UNKNOWN: PRESTIME] Hall, Spencer^*,1, Leibold, Mathew¹, Dwyer, Greg¹, ¹ University of Chicago, Chicago, IL. Do multi-resource models outperform uni-resource models? Testing competing hypotheses using autotroph-grazer dynamics in plankton communities.

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[UNKNOWN: PRESTIME] . Break.

[UNKNOWN: PRESTIME] Essington, Timothy^*,1, Hansson, Sture², ¹ Marine Sciences Research Center, Stony Brook, NY² Department of Systems Ecology, Stockholm, Sweden. Donor-control, Lotka-Volterra, and the functional response of baltic sea cod.

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[UNKNOWN: PRESTIME] Nelson, Erik^*,1, Rosenheim, Jay¹, ¹ Univ. of California - Davis., Davis, CA. Non-consumptive effects of predators on aphid population growth.

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[UNKNOWN: PRESTIME] WEISS, MARTHA^*,1, WILSON, ERIN¹, CASTELLANOS, IGNACIO², ¹ Georgetown University, Washington, D.C.² University of Maryland, College Park, MD. Predatory wasps learn to overcome the shelter defenses of their larval prey.

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[UNKNOWN: PRESTIME] Stireman, John^*,1, Singer, Michael², Dyer, Lee¹, Gentry, Grant³, ¹ Department of Ecology and Evolution, New Orleans, LA² Department of Entomology, Tucson, AZ³ Department of Entomology, College Park, MD. Ecological, morphological, and behavioral determinants of Lepidoptera parasitism across a latitudinal gradient.

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[UNKNOWN: PRESTIME] Preisser, Evan^*,1, ¹ University of California, Davis, Davis, CA. Field evidence for a strongly cascading underground food web.

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[UNKNOWN: PRESTIME] MOYA-LARAÑO, JORDI^*,1, WISE, DAVID¹, ¹ UNIVERSITY OF KENTUCKY, LEXINGTON, KENTUCKY. Ants influence the distribution of forest-floor generalist predators and Collembola.

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