Tuesday, August 7, 2007: 1:30 PM-5:00 PM
J1, San Jose McEnery Convention Center
COS 39 - Carbon cycling
1:30 PMCOS 39-1Climate sensitivity in the carbon cycle of a Colorado subalpine forest
Russell K. Monson, University of Colorado, William J. Sacks, University of Wisconsin, David J.P. Moore, CIRES and National Center for Atmospheric Research, Sean P. Burns, University of Colorado and NCAR, David S. Schimel, National Ecological Observatory Network
1:50 PMCOS 39-2Temporal and spatial effects on the isotopic composition of ecosystem-respired CO2 in a subalpine forest
Sean M. Schaeffer, University of Utah, Russell K. Monson, University of Colorado, Sean P. Burns, University of Colorado and NCAR, David Bowling, University of Utah
2:10 PMCOS 39-3Canopy architecture as a partial control over ecosystem water-use efficiency in a high-elevation, subalpine forest
Margaret R. Prater, University of Colorado Boulder, Jia Hu, University of Colorado Boulder, Sean P. Burns, University of Colorado and NCAR, Jed P. Sparks, Cornell University, Kimberlee L. Sparks, Cornell University, Russell K. Monson, University of Colorado Boulder
2:30 PMCOS 39-4The influence of simulated grazing on carbon exchange processes and microbial communities in Yellowstone National Park grasslands
C. Eric Hellquist, Syracuse University, E. William Hamilton III, Washington and Lee University, Michele A. Thorne, Syracuse University, Douglas A. Frank, Syracuse University
2:50 PMCOS 39-5The effects of simulated grazing on soil microbial community abundance and composition in a Yellowstone National Park grassland
E. William Hamilton III, Washington and Lee University, C. Eric Hellquist, Syracuse University, Paul R Cabe, Washington and Lee University, Andrew Friski, Washington and Lee University, Kelly Hemminger, Washington and Lee University, Michelle A Thorne, Syracuse University, Douglas A Frank, Syracuse University
3:10 PM Break
3:20 PMCOS 39-6Meta-analysis of net microbial methane oxidation by non-wetland soils
Emma L. Aronson, University of Pennsylvania, Brent Helliker, University of Pennsylvania
3:40 PMCOS 39-7The interaction of road salt de-icer and dissolved organic carbon on microbial respiration in stream sediments
Peter D. Bogush, University of Maryland, Baltimore County, Sujay S. Kaushal, University of Maryland Center for Environmental Science, Christopher M. Swan, University of Maryland, Baltimore County
4:00 PMCOS 39-8Methane: Different methane emissions between xerophytes and hydrophytes
Zhiping Wang, Silviculture and Ecology Laboratory, Clemson University, Geoff Wang, Clemson University
4:20 PMCOS 39-9Simulated impacts of soil erosion on regional carbon balance of continental China
Qiong Gao, College of Resources Sciences, Beijing Normal University, Mei Yu, Institute of Botany, Chinese Academy of Sciences
4:40 PMCOS 39-10Nonlinear response patterns of ecosystem carbon and water processes to gradual changes in temperature, atmospheric CO2, and precipitation: Modeling analysis
Xuhui Zhou, University of Oklahoma, Ensheng Weng, University of Oklahoma, Yiqi Luo, University of Oklahoma

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