95th ESA Annual Meeting (August 1 -- 6, 2010)

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
Richard A. Gill
1:30 PM
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, ETH
1:50 PM
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
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, University of New Hampshire; Jason P. Kaye, Pennsylvania State University; Mary Ann Bruns, The Pennsylvania State University; Margot Kaye, The Pennsylvania State University
2:30 PM
Experimental warming does not increase soil respiration over a three years period in Tibetan alpine grassland
Jin-Sheng He, Peking University; Yonghui Wang, Department of Ecology, Peking University, Beijing, China; Xin Jing, Department of Ecology, Peking University, Beijing, China; Shiping Wang, Institute of Tibetan Plateau Research, Chinese Academy of Sciences; Jingyun Fang, Institute of Botany, CAS; Hui Zeng, Peking University Shenzhen Graduate School
2:50 PM
Effects of CO2 enrichment and nitrogen addition on forest productivity in a global land model
Sonja G. Keel, University of Bern; Stefan Gerber, University of Florida IFAS; Elena Shevliakova, Princeton University; Lars O. Hedin, Princeton University
3:10 PM
3:20 PM
3:40 PM
Effect of changing precipitation patterns on the soil nitrogen cycle in the New Jersey Pinelands
William J. Landesman, Green Mountain College; John Dighton, Rutgers University
4:00 PM
Soil microbial communities and nitrogen (N) dynamics along a weathering gradient in an N-saturated hardwood forest watershed
Frank Gilliam, University of West Florida; Rebecca L. McCulley, University of Kentucky
4:20 PM
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 Frey, University of New Hampshire; Michael Grant, UM Biological Station (Pellston, MI)
4:40 PM
Biogeochemical consequences of changes in root-derived carbon inputs to soil in a forest exposed to CO2 enrichment
Richard Phillips, Indiana University; Adrien C. Finzi, Boston University; Emily Bernhardt, Duke University