Poster # 72. Wang, Xianzhong^*,1, ¹ Indiana University-Purdue University Indianapolis, Indianapolis, IN, Progressively diminishing effects of elevated CO₂ on plant productivity from individuals to communities.

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Poster # 73. Riem, Jennifer^*,1, Buddle, Chris², Rypstra, Ann³, ¹ Miami University, Oxford, OH² McGill University, Ste. Anne de Bellevue, QC, Canada³ Miami University, Hamilton, OH, Seasonality and productivity affect ground-dwelling spider abundance and diversity.

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Poster # 74. Nicholson, Michelle¹, McKenna, Mary¹, ¹ Howard University, Washington, DC, Stimulation of nodulation in clover by the essential oil of Thymus serpyllum (Lamiaceae).

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Poster # 75. Lauenroth, William¹, Munson, Seth^*,1, ¹ Colorado State University, Fort Collins, CO, Plant community responses to removal of the dominant species: contrasting responses of subdominant and rare species.

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Poster # 76. Ott, Jeffrey^*,1, Sanderson, Stewart², McArthur, E², ¹ University of North Carolina, Chapel Hill, NC, USA² U.S. Department of Agriculture, Forest Service, Provo, UT, USA, Coalition clustering of plant communities at Zion National Park, UT.

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Poster # 77. Schmedicke, Robert^*,1, Starmer, William¹, ¹ Syracuse University, Syracuse, NY, An integrative approach to understanding community assembly in the cactus-yeast model system.

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Poster # 78. Aicher, Rebecca^*,1, Suding, Katharine¹, ¹ University of California, Irvine, Irvine, CA, United States, Community assembly models as predictive tools in restoration.

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Poster # 79. Blong, Andrea^*,1, Wilsey, Brian¹, ¹ Iowa State University, Ames, IA, Experimental test of community assembly rules in tallgrass prairie restorations.

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Poster # 80. Sircely, Jason^*,1, Schuster, William², Naeem, Shahid¹, ¹ Columbia University, New York, NY² Black Rock Forest, Cornwall, NY, Evidence for niche-based community assembly in a deciduous forest understory plant community.

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Poster # 81. Gibbes, Laura^*,1, Rodas, Luis^*,1, Crawford, Daniel^*,1, Barrett, Gary¹, ¹ University of Georgia, Athens, GA, Resource partitioning and sociality of Peromyscus leucopus and Ochrotomys nuttalli.

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Poster # 82. Wolnowska, Izabella ^*,1, Caceres, Carla¹, ¹ University of Illinois at Urbana-Champaign, Urbana, IL, Changes in life-history traits during community assembly.

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Poster # 83. Evans, John^*,1, Weltzin, Jake¹, Sanders, Nathan¹, ¹ University of Tennessee, Knoxville, TN, Community-level responses to nutrients, herbivory, and invasion in an east Tennessee old-field.

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Poster # 84. Rodstrom, Robert^*,1, Hannon, Eugene¹, Kittelson, Neal¹, Brown, John¹, ¹ Washington State University, Pullman, WA, Arthropod community response to a catastrophic event in an irrigated perennial crop.

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Poster # 85. Farley, Elizabeth^*,1, Sieving, Kathryn ¹, Contreras, Thomas¹, ¹ University of Florida, Gainesville, FL, USA, Characterizing complex mixed-species bird flocks using an objective method for determining species participation.

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Poster # 86. Boughton, Elizabeth^*,1, Quintana-Ascencio, Pedro¹, Bohlen, Patrick², Jenkins, David¹, ¹ University of Central Florida, Orlando, FL² Archbold Biological Station, Lake Placid, FL, Wetland plant assemblages across an agricultural disturbance gradient in central Florida.

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Poster # 87. Armas, Cristina^*,1, Pugnaire, Francisco², ¹ Duke University, Durham, NC, USA² EEZA - Consejo Superior de Investigaciones Cientificas, Almeria, Spain, Plant interactions and community dynamics in a semi-arid coastal sand dune ecosystem.

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Poster # 88. Mahaney, Wendy^*,1, Gross, Katherine¹, ¹ Michigan State University, Hickory Corners, MI, United States, Do shifts in species composition influence ecosystem processes?: comparing the impacts of C3 and C4 grasses on soil processes.

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Poster # 89. Willig, Michael^{*,1, 2}, Zimmermann, Craig³, ¹ Center for Environmental Science and Engineering, Storrs, CT, USA² Department of Ecology and Evolutionary Biology, Storrs, CT, USA³ Department of Biological Sciences, Lubbock, TX, USA, Effect of disturbance on metacommunity structure of trees in a tabonuco forest.

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Poster # 90. Carlson, Matthew¹, Miller, Amy^{*,2, 3}, Lipkin, Rob¹, ¹ Alaska Natural Heritage Program, Anchorage, AK, USA² National Park Service, Anchorage, AK, USA³ Institute of Arctic and Alpine Research, Boulder, CO, USA, Vascular flora of nunataks in southwest Alaska.

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Poster # 91. Griggs, Leigh^*,1, Peterson, Chris¹, Moore, Clint², Zomlefer, Wendy¹, ¹ University of Georgia, Athens, GA² University of Georgia, Athens, GA, Community typing and prediction of forest succession in rare vegetative communities of the southern Appalachians.

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Poster # 92. Rubino, Darrin^*,1, Klips, Robert², McCarthy, Brian³, ¹ Hanover College, Hanover, IN² The Ohio State University at Marion, Marion, OH³ Ohio University, Athens, OH, Composition and ecology of bryophyte communities on oak (Quercus spp.) woody debris in a mixed-oak forest of southern Ohio, US.

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Poster # 93. McCune, Bruce^*,1, Rosentreter, Roger², ¹ Oregon State University, Corvallis, OR² Bureau of Land Management, Boise, ID, Debunking the myth of slow lichens.

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