1:30 PM Huntzinger, Mikaela^*,1, Augustine, David², ¹ University of California, Davis, CA² Syracuse University, Syracuse, NY Disparate herbivore lineages not functionally redundant.

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1:45 PM Sankaran, Mahesh ^{1, 2}, Augustine, David³, ¹ NERC Centre for Population Biology, Ascot, Berkshire, UK² NREL, Colorado State University, Fort Collins, CO, USA³ Syracuse University, Syracuse, NY, USA Consumer-decomposer interactions in a semi-arid grazing ecosystem.

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2:00 PM Peters, Halton^{*,1, 2}, Mooney, Harold¹, Field, Christopher², ¹ Department of Biological Sciences, Stanford, CA² Carnegie Institution of Washington, Stanford, CA The response of feeding patterns to climatic changes: Generalist herbivores in an annual-dominated California grassland.

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2:15 PM Adler, Peter^*,1, Lauenroth, William¹, Sala, Osvaldo², Milchunas, Daniel¹, Burke, Ingrid ¹, ¹ Colorado State University, Fort Collins, CO, USA² Universidad de Buenos Aires, Buenos Aires, CF, Argentina Functional traits and grazing resistance in graminoids of sagebrush steppe, USA and Patagonian steppe, Argentina.

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2:30 PM Levine, Mia^*,1, Paige, Ken¹, ¹ University of Illinois at Urbana-Champaign, Urbana, IL Direct and indirect effects of extreme drought on compensation following herbivory in Ipomopsis aggregata (Polemoniaceae).

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2:45 PM Heard, Stephen^*,1, Nason, John², Stireman, John², ¹ University of New Brunswick, Fredericton, NB, Canada² Iowa State University, Ames, IA, USA Parallel host-race formation among goldenrod herbivores and their parasitoids.

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3:00 PM Break.

3:15 PM Bakker, Liesbeth^{*,1, 2}, Olff, Han³, ¹ Wageningen University, Wageningen, The Netherlands² University of Nebraska, Lincoln, Nebraska³ University of Groningen, Haren, The Netherlands Compositional constancy in grazed plant communities increases with herbivore size.

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3:30 PM Eubanks, Micky^*,1, Carr, David², Murphy, John¹, ¹ Department of Entomology and Plant Pathology, Auburn, Alabama, United States of America² Blandy Experimental Farm, Boyce, Virginia, United States of America Complex effects of inbreeding on complex interactions: Self-fertilization alters the interactive effects of natural enemies on plant fitness.

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3:45 PM Howe, Henry¹, Lane, Diana², ¹ University of Illinois-Chicago, Chicago, IL² Stratus Consulting, Boulder, CO Vole-driven dominance in experimental restorations.

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4:00 PM Moran, Matthew^*,1, ¹ Hendrix College, Conway, AR Effect of bison grazing on arthropod abundance and diversity in a tallgrass prairie.

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4:15 PM Davidson, Ana ^{*,1, 2}, Lightfoot, David^{1, 2}, ¹ Department of Biology, Albuquerque, NM, USA² Sevilleta Long-Term Ecological Research Program, Albuquerque, NM, USA Effects of prairie dogs and banner-tailed kangaroo rats on desert grassland vegetation in the northern Chihuahuan Desert.

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