COS 75 - Biogeochemistry: C And N Cycling In Response To Global Change I

Wednesday, August 8, 2012: 8:00 AM-11:30 AM
B115, Oregon Convention Center
8:20 AM
 Impacts of altered precipitation frequency and amount on ecosystem processes in the subalpine
Richard A. Gill, Brigham Young University; Colin S. Campbell, Decagon Devices
8:40 AM
 Restoring stream processes in a degraded landscape: The case of in-stream carbon
Darren P. Giling, Monash University; Michael Grace, Monash University; Ross M. Thompson, Monash University; Ralph Mac Nally, The University of Canberra
9:00 AM
 Changes in biological and thermal stability of soil organic matter after long-term carbon amendments
Wenting Feng, University of Pennsylvania; Alain F. Plante, University of Pennsylvania; Minggang Xu, Chinese Academy of Agricultural Sciences; Johan Six, University of California-Davis
9:20 AM
 Piñon mortality and summer monsoon rains affect extra cellular enzyme activity of soil microbial communities living beneath tree canopies in a Piñon-Juniper woodland
Daniel D. Warnock, University of New Mexico; Marcy E. Litvak, University of New Mexico; Robert L. Sinsabaugh, University of New Mexico
9:40 AM
9:50 AM
 Transport and transformation of nitrogen in permafrost-influenced catchments
Tamara K. Harms, University of Alaska; Jeremy B. Jones, University of Alaska Fairbanks
10:10 AM
 Effects of plant diversity on grassland soil N cycling are greater and more temporally dynamic than effects of elevated carbon dioxide
Kevin E. Mueller, Cleveland State University; Sarah E. Hobbie, University of Minnesota; Peter B. Reich, University of Minnesota
10:30 AM
 Effect of elevated CO2 on ecosystem nitrogen fluxes and pools: Meta-analysis
Xuan Qi, University of Oklahoma; Yiqi Luo, University of Oklahoma
10:50 AM
 Nitrogen cycling in the New Jersey Pine Barrens as a consequence of insect outbreaks and wildfire
Melissa S. Lucash, Portland State University; Robert M. Scheller, Portland State University; Alec M. Kretchun, Portland State University; Kenneth L. Clark, USDA Forest Service; John Hom, USDA Forest Service; Samantha K. Chapman, Villanova University
11:10 AM Cancelled
 Impact of saltwater intrusion on microbial community function and organic matter breakdown in tidal freshwater wetlands
Rima B. Franklin, Virginia Commonwealth University; David J. Berrier, Virginia Commonwealth University; Scott C. Neubauer, Baruch Marine Field Laboratory - University of South Carolina