8:00 AM: Sampedro, Luis^{1, 2}, Whalen, Joann^*,1, ¹ Dpt Natural Resource Sciences, McGill University, Ste-Anne-Bellevue, Quebec, CANADA² Centro de Investigacions Forestais e Ambientais Lourizan, Pontevedra, Galicia, SPAIN, Earthworm gut-associated processes stimulate denitrification.

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8:20 AM: Lucas, Richard^*,1, Vann, David², Casper, Brenda¹, ¹ Biology Department, Philadelphia, PA, USA² Department of Earth and Environmental Science, Philadelphia, PA, USA, Pristine old-growth forest experiences decrease in mycorrhizal abundance following inorganic N fertilization.

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8:40 AM: MacKenzie, M.Derek^*,1, Ball, Patrick², Pollock, Jarrod², Holben, William ², DeLuca, Thomas¹, ¹ Department of Ecosystem and Conservation Sciences, Missoula, MT, USA² Microbrobial Ecology Program, Missoula, MT, USA, Charcoal from forest fire influences ammonium oxidizing bacteria and nitrogen cycling.

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9:00 AM: Alstad, Karrin^{*,1, 2}, Whiticar, Michael^{1, 2}, ¹ Fluxnet Canada, Quebec, Quebec, Canada² Earth and Ocean Sciences Dept., Victoria, BC, Canada, Stable isotope characterization of soil CH₄ and CO₂ remineralization dynamics at three Fluxnet Canada sites.

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9:20 AM: Luo, Yiqi^*,1, Hui, Dafeng ², Zhang, Deqiang³, ¹ University of Oklahoma, Norman, OK² Duke University, Durham, NC³ South China Botanical Gardan, Guanzhou, China, Elevated Carbon Dioxide Stimulates Net Accumulations of Carbon and Nitrogen in Terrestrial Ecosystems: A Meta-Analysis.

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9:40 AM: , BREAK.

9:50 AM: Cleveland, Cory¹, Townsend, Alan^*,1, ¹ University of Colorado, Boulder, CO, United States, Nitrogen and phosphorus additions cause substantial losses of soil carbon from a lowland tropical rain forest.

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10:10 AM: Colman, Benjamin^*,1, Fierer, Noah², Schimel, Joshua¹, ¹ University of California, Santa Barbara, CA² Duke University, Durham, NC, Abiotic nitrate incorporation in 45 U.S. soils.

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10:30 AM: Manning, Peter^*,1, , The Ecotron Collaborator Group¹, ¹ NERC Centre for Population Biology, Ascot, Berkshire, UK, Decoupling the direct and plant species compostion effects of N deposition on ecosystem function.

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10:50 AM: Marin-Spiotta, Erika^*,1, Silver, Whendee¹, Ostertag, Rebecca², Swanston, Christopher³, Torn, Margaret⁴, Burton, Sarah⁵, ¹ U.C. Berkeley, Berkeley, CA² U. of Hawaii, Hilo, HI³ Lawrence Livermore National Laboratory, Livermore, CA⁴ Lawrence Berkeley National Laboratory, Berkeley, CA⁵ Pacific Northwest National Laboratory, Richland, WA, Mechanisms of soil carbon storage during tropical reforestation.

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11:10 AM: Ostertag, Rebecca¹, Marin-Spiotta, Erika², Silver, Whendee², ¹ University of Hawaii at Hilo, Hilo, HI, ostertag@hawaii.edu² University of California, Berkeley, CA, Leaf litter decomposition and soil carbon storage along a secondary forest chronosequence in Puerto Rico.

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