8:00 AM Weiser, Michael ^*,1, Enquist, Brian^{1, 2}, Boyle, Brad^{1, 2}, Reddy, Srinivas¹, ¹ University of Arizona, Tucson, AZ, USA² Center for Applied Biodiversity Science- Conservation International, Washington, DC Rapaport's rule, latitudinal patterns, and the frequency distributions of range sizes of New World woody plant species.

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8:15 AM Fargione, Joe^*,1, Dybzinski, Ray¹, Clark, Chris¹, Hille Ris Lambers, Janneke¹, Harpole, Stan¹, Loreau, Michel², Tilman, David¹, ¹ University of Minnesota, St. Paul, MN² Ecole Normale Supérieure, Paris, France From selection to complementarity: Temporal trends in a long-term biodiversity experiment.

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8:30 AM Hille Ris Lambers, J.^*,1, Harpole, W.S.¹, Tilman, D.¹, ¹ University of Minnesota, St. Paul, MN The diversity-productivity relationship: Putting species back into the equation.

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8:45 AM Fridley, Jason^*,1, Gramling, Joel¹, Jobe, R¹, Kaplan, Jessica¹, McKnight, Meghan¹, Senft, Amanda¹, Vandermast, David¹, Peet, Robert¹, ¹ University of North Carolina at Chapel Hill, Chapel Hill, NC Fine-scale species-area relationships of the vascular flora of the Southeast.

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9:00 AM Watkins, James^*,1, Cardelus, Catherine¹, Moran, Robbin², ¹ University of Florida, Gainesville, FL, USA² New York Botanical Garden, Bronx, NY, USA Diversity and abundance of epiphytic (canopy and understory) and terrestrial ferns along an elevational gradient: Implications for dispersal and migration.

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9:15 AM Foster, Bryan¹, Dickson, Timothy¹, ¹ University of Kansas, Lawrence, Kansas, USA Multiple limitations on plant species richness in a grassland community.

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9:30 AM Break.

9:45 AM Murrell, Kathren^*,1, Dennis, Ann², Barbour, Michael³, ¹ University of California at Davis, Davis, CA² CAL FLORA, Albany, CA³ University of California at Davis, Davis, CA Patterns of species and habitat richness and diversity in grazed meadows in the eastern Sierra Nevada.

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10:00 AM Gramling, Joel^*,1, Peet, Robert¹, Fridley, Jason¹, Wentworth, Thomas², ¹ Department of Biology, Chapel Hill, NC, USA² Botany Department, Raleigh, NC, USA Species richness and species pool size variation across pH gradients in southern Blue Ridge forests.

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10:15 AM Rixen, Christian^{1, 2}, Mulder, Christa¹, ¹ University of Alaska, Fairbanks, AK² Swiss Federal Institute for Snow and Avalanche Research SLF, Davos, Switzerland Biodiversity and ecosystem functioning: Testing the insurance hypothesis in moss communities.

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10:30 AM Stevens, Richard ^*,1, ¹ National Center for Ecologial Analysis and Synthesis, Santa Barbara, CA Latitudinal gradients in the phylogenetic diversity of New World bat communities.

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10:45 AM Albers, Gayle¹, Alber, Merryl², ¹ University of Georgia, Athens, GA, USA² University of Georgia, Athens, GA, USA Vascular plant composition and soil characteristics of undeveloped back-barrier islands near Sapelo Island, Georgia.

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