Wednesday, August 4, 2010: 8:00 AM-11:30 AM
406, David L Lawrence Convention Center
COS 45 - Biogeochemistry: Experimental Climate Change Effects on Biogeo Processes
8:00 AMCOS 45-1Resource allocation strategies in a changing environment: the comparison of two contrasting Arctic tundra plant species
Hélène Genet, University of Alabama, Gregory Starr, University of Alabama, Behzad Mortazavi, University of Alabama and Dauphin Island Sea Lab, Gaius R. Shaver, Marine Biological Laboratory, Steven F. Oberbauer, Florida International University
8:20 AMCOS 45-2Browning of the waters: Do terrestrial carbon subsidies alter aquatic ecosystem stability?
Jay T. Lennon, Michigan State University, Stuart E. Jones, W.K. Kellogg Biological Station
8:40 AMCOS 45-3Winter climate change and the effect of soil frost on nitrogen uptake by mature trees in a northern hardwood forest of the United States
Pamela H. Templer, Boston University, Anne M. Socci, Boston University
9:00 AMCOS 45-4Winter climate change and the legacy effect of soil frost on carbon and nitrogen fluxes from northern forest soils: A microcosm study
Andrew B. Reinmann, Boston University, John Campbell, United States Department of Agriculture Forest Service, Pamela H. Templer, Boston University
9:20 AMCOS 45-5Biotic and physical influences on internal phosphorus loading in a Great Lakes coastal system
Donna R. Kashian, Wayne State University, R. Hunter Oates, Wayne State University, Thomas H. Johengen, University of Michigan
9:40 AM Break
9:50 AMCOS 45-6Soil type influences the sensitivity of nutrient dynamics to changes in atmospheric CO2
Richard A. Gill, Brigham Young University, Virginia L. Jin, USDA, Agricultural Research Service, Philip A. Fay, USDA, Agricultural Research Service, H. Wayne Polley, USDA, Agricultural Research Service, Alexia M. Kelley, Duke University, Robert B. Jackson, Duke University
10:10 AMCOS 45-7Climatic changes alter the quantity and quality of polymers in plant litter: Implications for soil nutrient cycling
Nishanth Tharayil, Clemson University, Vidya Suseela, Purdue University, Daniella J. Triebwasser, Clemson University, Jeffrey S. Dukes, Purdue University
10:30 AMCOS 45-8Elevated atmospheric CO2 does not increase root biomass or carbon stocks in the Mojave Desert
Scot Ferguson, University of Nevada Reno, Robert S. Nowak, University of Nevada Reno
10:50 AMCOS 45-9Turbulent carbon dioxide exchange between an old-growth subtropical forest and the atmosphere
Zhenghong Tan, Xishuangbanna tropical botanical garden, Chinese Academy of Sciences, Yiping Zhang, Xishuangbanna tropical botanical garden, Chinese Academy of Sciences

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