Session: Biogeochemistry: C And N Cycling In Response To Global Change I (98th ESA Annual Meeting (August 4 -- 9, 2013))

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 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, Texas A&M University; William S. Currie, University of Michigan; Deborah 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 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 Ewing, Bates College; Timothy J. Fahey, Cornell University; Patrick J. Bohlen, University of Central Florida; Melany C. Fisk, Miami University; 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

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