Poster # 79. Garneau, Danielle^*,1, Post, Eric², ¹ The Pennsylvania State University, University Park, PA, USA² The Pennsylvania State University, University Park, PA, USA Spatio-temporal niche partitioning among three sympatric predator species in a single-prey system.

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Poster # 80. Bartel, Rebecca^*,1, Knowlton, Frederick^{1, 2}, ¹ Utah State University, Logan, UT, USA² USDA/WS/National Wildlife Research Center, Logan, UT, USA Functional feeding responses of coyotes to fluctuating prey abundances in the Curlew Valley, Utah, 1977-1993.

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Poster # 81. Griswold, Marcus^*,1, Lounibos, L², ¹ University of Florida, Gainesville, FL² University of Florida, Vero Beach, FL Functional responses and species coexistence in members of a treehole community.

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Poster # 82. Hofstetter, Richard^*,1, Ayres, Matthew¹, Klepzig, Kier², Moser, John¹, ¹ Dartmouth College, Hanover, NH, USA² USDA Forest Service, Pineville, LA, USA Evaluating the importance of multiple drivers in outbreak population dynamics.

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Poster # 83. Nannini, Michael^*,1, Belk, Mark², ¹ Environmental Protection Agency, Research Triangle Park, NC, USA² Brigham Young University, Provo, UT, USA A field test of the antipredator responses of two native cyprinid prey fish exposed to predation by introduced brown trout.

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Poster # 84. Turner, Greg^*,1, Licitra, Jeff², Lewis, J¹, Schuster, William³, ¹ Calder Center, Fordham University, Armonk, NY² Blind Brook High School, Rye Brook, NY³ Black Rock Forest Consortium, Cornwall, NY Forest composition affects ectomycorrhizal fungal community composition on Quercus rubra seedlings.

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Poster # 85. Maas, Martha^*,1, Fowler, Norma¹, ¹ University of Texas- Austin, Austin, Texas, USA Effects of fungal infection and competition on a grass.

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Poster # 86. Ingram, Ella^*,1, Watson, Maxine¹, ¹ Indiana University, Bloomington, IN Seasonal change in the composition of the mycorrhiza of mayapple, Podophyllum peltatum.

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Poster # 87. Faden, Mike ¹, Parker, V.T.^*,1, ¹ San Francisco State University, San Francisco, CA Seed dispersal of California bay-laurel (Umbellularia californica) by western gray squirrels (Sciurus griseus).

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Poster # 88. Friggens, Michael^{*,1, 2}, Parmenter, Robert ^{1, 2}, Yates, Terry^{1, 2}, Gosz, James^{1, 2}, ¹ Department of Biology, Albuquerque, New Mexico² Sevilleta Long Term Ecological Research Project, Albuquerque, New Mexico Can simple correlation analyses detect "bottom-up" trophic cascades among rodents on the Sevilleta NWR?

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Poster # 89. Erwin, Patrick^*,1, Thacker, Robert¹, ¹ University of Alabama at Birmingham, Birmingham, AL Determining the specificity of associations between marine sponges and symbiotic cyanobacteria.

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Poster # 90. Thacker, Robert^*,1, Erwin, Patrick¹, Bevis, Kevin¹, Paul, Valerie², ¹ University of Alabama at Birmingham, Birmingham, AL² Smithsonian Marine Station, Fort Pierce, FL Manipulations of sponge-cyanobacterial symbioses: Effects of shading on sponges with specialist and generalist symbionts.

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Poster # 91. Steinauer, Michelle¹, Parham, James^*,1, ¹ University of Nebraska, Lincoln, NE Geographic distribution of host and habitat use of an acanthocephalan parasite, Leptorhynchoides thecatus.

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Poster # 92. Poteet, Mary^*,1, ¹ The University of Texas at Austin, Austin, TX Sensitivity of parasite transmission to changes in host density following disturbance.

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Poster # 93. Lanza, Janet^*,1, Stephen, Marjorie^{1, 2}, Davis, Kara¹, Terry, Mylinda¹, ¹ University of Arkansas at Little Rock, Little Rock, AR² Arkansas Baptist Middle School, Little Rock, AR Nectar-borne amino acids increase energy reserves in and reproduction by monarch butterflies.

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Poster # 94. Cook, Jessica^*,1, ¹ Michigan State University, East Lansing, MI Effects of the pathogen Uromyces ari-triphylli on reproductive biology and growing season of Arisaema triphyllum.

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