Session: COS 1 - Biogeochemistry: C and N Cycling in Response to Global Change I


Monday, August 2, 2010: 1:30 PM-5:00 PM
406, David L Lawrence Convention Center
COS 1 - Biogeochemistry: C and N Cycling in Response to Global Change I

1:30 PM	COS 1-1	Location of soil organic matter fractions in the active mineral soil layer in a low arctic moist acidic tundra ecosystem Rodney T. Simpson, Colorado State University, John C. Moore, Colorado State University, Johan Six, University of California-Davis
1:50 PM	COS 1-2	Nitrogen loading stimulates greenhouse gas production in a coastal wetland Serena M. Moseman-Valtierra, Boston College, Kevin D. Kroeger, US Geological Survey, Rosalinda Gonzalez, Humboldt State University, Jianwu Tang, Marine Biological Laboratory, John Crusius, US Geological Survey, James Shelton, Arkansas State University, John Bratton, US Geological Survey, Adrian Green, US Geological Survey, Wally Brooks, US Geological Survey
2:10 PM	COS 1-3	Ecosystem disturbance in a warmer and wetter northeastern US: How will soil C and N losses and microbial communities respond to forest harvest in the future? Marshall D. McDaniel, The Pennsylvania State University, Jason P. Kaye, The Pennsylvania State University, Mary Ann Bruns, The Pennsylvania State University, Margot Kaye, The Pennsylvania State University
2:30 PM	COS 1-4	Experimental warming does not increase soil respiration over a three years period in Tibetan alpine grassland Jin-Sheng He, Department of Ecology, Peking University, Beijing, China, Yonghui Wang, Department of Ecology, Peking University, Beijing, China, Xin Jing, Department of Ecology, Peking University, Beijing, China, Shiping Wang, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Jingyun Fang, Department of Ecology, Peking University, Beijing, China, Hui Zeng, Department of Ecology, Peking University, Beijing, China
2:50 PM	COS 1-5	Effects of CO₂ enrichment and nitrogen addition on forest productivity in a global land model Sonja G. Keel, Princeton University, Stefan Gerber, Princeton University, Elena Shevliakova, Princeton University, Lars O. Hedin, Princeton University
3:10 PM		Break
3:20 PM	COS 1-6	Changes in soil organic carbon (SOC) storage in two restored wetlands in Illinois Hua Chen, University of Illinois at Springfield
3:40 PM	COS 1-7	Effect of changing precipitation patterns on the soil nitrogen cycle in the New Jersey Pinelands William J. Landesman, University fo Maryland Center for Environmental Science, John Dighton, Rutgers University
4:00 PM	COS 1-8	Soil microbial communities and nitrogen (N) dynamics along a weathering gradient in an N-saturated hardwood forest watershed Frank S. Gilliam, Marshall University, Rebecca L. McCulley, University of Kentucky
4:20 PM	COS 1-9	¹⁵N tracer recoveries in red pine and oak forests 16 years after labeling as constraints on estimates of N deposition effects on forest C storage Knute Nadelhoffer, University of Michigan, James Le Moine, University of Michigan, Alexis M. DeGabriele, University of Michigan, Serita D. Frey, University of New Hampshire, Michael Grant, UM Biological Station (Pellston, MI)
4:40 PM	COS 1-10	Biogeochemical consequences of changes in root-derived carbon inputs to soil in a forest exposed to CO₂ enrichment Richard P. Phillips, Indiana University, Adrien C. Finzi, Boston University, Emily Bernhardt, Duke University

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