Tuesday, August 5, 2008: 8:00 AM-11:30 AM
102 E, Midwest Airlines Center
COS 17 - Carbon Cycling: Soils II
8:00 AMEffects of thinning, lime addition, and litter removal on soil respiration in red pine plantations in Ontario, Canada
Yuanying Peng, College of DuPage, S. C. Thomas, University of Toronto, Dalun Tian, Central South University of Forestry and Technology
8:20 AMAtmospheric CO2 enrichment facilitates cation losses from rice paddy soils
Lei Cheng, North Carolina State University, Jianguo Zhu, Chinese Academy of Sciences, Gaiping Chen, Chinese Academy of Sciences, Xunhua Zheng, Chinese Academy of Sciences, Neung-Hwan Oh, Yale University, Thomas W Rufty, North Carolina State University, Daniel Richter, Duke University, Shuijin Hu, North Carolina State University
8:40 AMSoil surface CO2 flux of northern hardwood soils following experimental manipulations - CANCELLED. REPLACED WITH M. WALLENSTEIN (SEE COS 110-7)
Jennifer L. Stoffel, Upper Iowa University, Jodi A. Forrester, University of Wisconsin-Madison, Stith T. Gower, University of Wisconsin-Madison, David J. Mladenoff, University of Wisconsin-Madison
9:00 AMNew coupled vegetation-carbon model used inversely for reconstructing carbon storage from pollen data
Changhui Peng, University of Quebec at Montreal, Haibin Wu, University of Quebec at Montreal, Joel Guiot, CNRS/UniversitÚ Paul CÚzanne, Zhengtang Guo, Chinese Academy of Sciences
9:20 AMEleven years of elevated atmospheric CO2 exposure increases microbial respiration and decreases inorganic N concentrations in deep soil in a Florida scrub-oak ecosystem
Duncan C. McKinley, Smithsonian Environmental Research Center, Julio C. Romero, Smithsonian Environmental Research Center, Bruce A. Hungate, Northern Arizona University, Bert G. Drake, Smithsonian Environmental Research Center, James P. Megonigal, Smithsonian Environmental Research Center
9:40 AMBreak
9:50 AMNitrogen fertilization differentiates carbon and nitrogen sequestrations in terrestrial ecosystem: A meta-analysis
Meng Lu, The Institute of Biodiversity Science, Fudan University, Shanghai, China, Yiqi Luo, The University of Oklahoma, Bo Li, Fudan University
10:10 AMNitrogen addition stimulates decomposition by boreal forest fungi
Steven D. Allison, University of California, Irvine, David S. LeBauer, University of California, Irvine, M. Rosario Ofrecio, University of California, Irvine, Randy Reyes, University of California, Irvine, Tri M. Tran, University of California, Irvine
10:30 AMNitrogen amendments and woody encroachment increase enzymatic activity driving decomposition in a mesic grassland
Lisa K. Tiemann, University of Kansas, Sharon A. Billings, University of Kansas
10:50 AMSeasonal patterns in carbon and nitrogen limitations to microbial activity in a semi-arid soil
Toby D. Hooker, Utah State University, John M. Stark, Utah State University
11:10 AMImpacts of nitrogen fertilization on CO2 in six northeastern forest soils
Marissa Weiss, Cornell University, Christine Goodale, Cornell University

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See more of The 93rd ESA Annual Meeting (August 3 -- August 8, 2008)