COS 67
Biogeochemistry: C And N Cycling In Response To Global Change I

Wednesday, August 7, 2013: 1:30 PM-5:00 PM
101G, Minneapolis Convention Center
1:30 PM
COS 67-1
 Long-term warming alters the climate sensitivity of plant and microbial processes in the Boston-Area Climate Experiment
Jeffrey S. Dukes, Purdue University; D. S. Novem Auyeung, Purdue University; Susanne S. Hoeppner, Purdue University; Vidya Suseela, Clemson University
1:50 PM
COS 67-2
 Cold ecosystems in a warmer world: tracing radiocarbon in plant and soils of high altitudes at different soil temperatures
Adele Ferrari, Swiss Federal Institute for Forest, Snow and Landscape Research WSL; Frank Hagedorn, Swiss Federal Institute for Forest, Snow and Landscape Research (WSL); Pascal A. Niklaus, University of Zurich
2:10 PM
COS 67-3
 Permafrost thaw and ecosystem carbon cycle under multifactor global change at a tundra site: A modeling approach
Jianwei Li, Tennessee State University; Yiqi Luo, University of Oklahoma; Susan M. Natali, Woods Hole Research Center; Edward A.G. Schuur, University of Florida; Jianyang Xia, University of Oklahoma; Bernard Pak, Centre for Australian Weather and Climate Research; Eva Kowalczyk, CSIRO Marine and Atmospheric Research; Yingping Wang, CSIRO Marine and Atmospheric Research
2:30 PM
COS 67-4
 Substrate and environmental controls on microbial assimilation of soil organic carbon: A modeling framework
Xiaofeng Xu, Auburn University, AL; Joshua P. Schimel, University of California, Santa Barbara; Peter E. Thornton, Oak Ridge National Laboratory; Fengming Yuan, Oak Ridge National Laboratory; Xia Song, Oak Ridge National Laboratory; Santonu Goswami, Oak Ridge National Laboratory
2:50 PM
COS 67-5
 Interactive effects of invasion and hydrology influence C storage along a nitrogen gradient in a simulated clonal wetland ecosystem
Jason P. Martina, University of Michigan; William S. Currie, University of Michigan; Deborah E. Goldberg, University of Michigan; Kenneth J. Elgersma, University of Northern Iowa
3:10 PM
COS 67-
 Break
3:20 PM
COS 67-6
 Interannual soil CO2 efflux in six temperate forests in Northeastern China
Jinyan Yang, University of Georgia; Robert Teskey, University of Georgia; Chuankuan Wang, Northeast Forestry University
3:40 PM
COS 67-7
 Effects of long-term nitrogen fertilization and annual burning on belowground nutrient dynamics and microbial community structure in a tallgrass prairie
Michael A. Carson, Kansas State University; John M. Blair, Kansas State University
4:00 PM
COS 67-8
 Earthworms and nitrogen retention in northern hardwood forests
Peter M. Groffman, Cary Institute of Ecosystem Studies; Holly A. Ewing, Bates College; Timothy J. Fahey, Cornell University; Patrick J. Bohlen, University of Central Florida; Melany C. Fisk, Miami University of Ohio; John C. Maerz, University of Georgia
4:20 PM
COS 67-9
 Bayesian analysis of a carbon cycle model: Implications for parameter estimation, model selection, and simulation of beetle-caused forest mortality
Scott D. Peckham, University of Wyoming; Brent E. Ewers, University of Wyoming; D. Scott Mackay, SUNY-Buffalo; Elise Pendall, University of Wyoming; Heather N. Scott, USDA Forest Service; John M. Frank, Rocky Mountain Research Station, U.S. Forest Service; Michael G. Ryan, Colorado State University; William J. Massman, Rocky Mountain Research Station, U.S. Forest Service
4:40 PM
COS 67-10
 Human-era increases in the global CO2 burden of new nitrogen creation: An alternative hypothesis
Benjamin Z. Houlton, University of California, Davis
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