Tuesday, August 4, 2009: 8:00 AM-11:30 AM
Santa Ana, Albuquerque Convention Center
COS 21 - Climate Change: Biogeochem Cycles
8:00 AMCOS 21-1Experimental drought in a wet tropical forest drives increases in soil carbon dioxide losses to the atmosphere
Cory C. Cleveland, University of Montana, Alan R. Townsend, University of Colorado, William R. Wieder, University of Colorado
8:20 AMCOS 21-2Do the wettest of lowland tropical forests cycle nitrogen in excess?
William R. Wieder, Institute of Arctic and Alpine Research, University of Colorado at Boulder, Cory C. Cleveland, University of Montana, Sasha C. Reed, University of Montana, Philip G. Taylor, Institute of Arctic and Alpine Research, University of Colorado at Boulder, Alan R Townsend, Institute of Arctic and Alpine Research, University of Colorado at Boulder
8:40 AMCOS 21-3Impact of experimental drought on emissions of carbon dioxide, methane, and nitrous oxide from soils of a humid tropical forest, Puerto Rico
Tana E. Wood, University of California-Berkeley, Whendee L. Silver, University of California, Berkeley, Ariel Lugo, USDA Forest Service
9:00 AMCOS 21-4Linking soil microbial communities to ecosystem functioning in the context of climate change: Using nitrogen cycling as a model process
D. S. Novem Auyeung, Purdue University, Jeffrey S. Dukes, Purdue University
9:20 AMCOS 21-5Trade-offs between N and P retention due to drought and saltwater intrusion in a restored wetland ecosystem
Marcelo Ardon, Duke University, Jennifer L. Morse, Duke University, Martin W. Doyle, University of North Carolina at Chapel Hill, Emily S. Bernhardt, Duke University
9:40 AM Break
9:50 AMCOS 21-6Long-term effects of CO2 on N2 fixation and ecosystem-level nutrient budgets
Benjamin Duval, Northern Arizona University, P. Dijkstra, Northern Arizona University, B.A. Hungate, Northern Arizona University
10:10 AMCOS 21-7Precipitation exerts a dominant control on net ecosystem exchange in subalpine meadows
Christine A. Lamanna, University of Arizona, Brian J. Enquist, University of Arizona, John Harte, University of California, Berkeley, Scott R. Saleska, University of Arizona, Teal Potter, University of Montana
10:30 AMCOS 21-8Carbon and water fluxes from ponderosa pine forests disturbed by wildfires and thinning
Thomas E. Kolb, Northern Arizona University, Sabina Dore, Northern Arizona University, Mario C. Montes-Helu, Northern Arizona University, Ben W. Sullivan, Northern Arizona University, Sara E. Eckert, Penn State University, JP Kaye, Penn State University, Stephen C. Hart, University of California, Merced, George W. Koch, Northern Arizona University, Alex Finkral, Northern Arizona University, Bruce A. Hungate, Northern Arizona University
10:50 AMCOS 21-9Belowground carbon dynamics at Duke FACE: A summary
John. E. Drake, University of Illinois at Urbana-Champaign, Adrien C. Finzi, Boston University, Evan H. DeLucia, University of Illinois at Urbana-Champaign
11:10 AMCOS 21-10Sensitivity of old-field soil respiration to warming and altered precipitation
Vidya Suseela, Purdue university, Richard T. Conant, Colorado State University, Matthew D. Wallenstein, Colorado State University, Jeffrey S. Dukes, Purdue University

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See more of The 94th ESA Annual Meeting (August 2 -- 7, 2009)