8:00 AM: Adl, Sina^*,1, Maharning, Ardhini¹, Mills, Aaron¹, McElroy, Michel¹, ¹ Dalhousie University, Halifax, Nova Scotia, Canada, Longterm effect of pasture biodiversity on soil food web structure and ecosystem productivity.

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8:20 AM: Wertz, Sophie^*,1, Degrange, Valérie¹, Poly, Franck¹, Prosser, James², Freitag, Thomas², Le Roux, Xavier¹, ¹ Microbial Ecology Laboratory, Villeurbanne, France² Department of Molecular and Cell Biology, Aberdeen, Scotland, Impact of decreasing the diversity of soil microbial heterotrophic, denitrifying and ammonia-oxidizing communities on their functioning.

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8:40 AM: Hättenschwiler, Stephan^*,1, Bracht Jorgensen, Helene¹, ¹ CEFE-CNRS, Montpellier, France, Litter diversity effects on microbial decomposer communities and C, N and P dynamics in an Amazonian rainforest.

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9:00 AM: Lundholm, Jeremy^*,1, ¹ Saint Mary's University, Halifax, Nova Scotia, Canada, Seed addition reveals similar diversity responses in resident and non-resident seedlings across environmental gradients.

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9:20 AM: Dybzinski, Ray^*,1, ¹ University of Minnesota, St. Paul, MN, Plant species coexistence and the effects of plant propagule dispersal, enemy dispersal, and enemy host-specificity in a spatially explicit Janzen-Connell model.

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9:40 AM: , BREAK.

9:50 AM: Hames, Ralph^*,1, Lowe, James¹, ¹ Cornell Laboratory of Ornithology, Ithaca, NY, United States, Linking acid rain, soil properties, and avian biodiversity in four regions of New York.

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10:10 AM: Gunton, Richard^*,1, ¹ University of Leeds, Leeds, UK, Priority effects are magnified by plant density and patch size.

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