Tuesday, August 4, 2009: 1:30 PM-5:00 PM
La Cienega, Albuquerque Convention Center
COS 37 - Biogeochemistry: Atmospheric N Deposition Effects
1:30 PMCOS 37-1From missing source to missing sink: Long-term nitrogen dynamics in the northern hardwood forest
Ruth D. Yanai, SUNY College of Environmental Science and Forestry, Steven P. Hamburg, Environmental Defense Fund, Mary A. Arthur, University of Kentucky, Matthew A. Vadeboncoeur, University of New Hampshire, Colin B. Fuss, Syracuse University, Thomas G. Siccama, Yale
1:50 PMCOS 37-2Nitrogen fertilization decreased decomposition in four northeastern forest soils
Marissa Weiss, Cornell University, Christine Goodale, Cornell University
2:10 PMCOS 37-3Nitrogen fertilization effects on litter decomposition and microbial community characteristics in two humid tropical forests
Daniela F. Cusack, University of California - Berkeley, Whendee Silver, University of California, Berkeley, Mary K. Firestone, University of California, Berkeley, William H. McDowell, University of New Hampshire, Margaret S. Torn, Berkeley Lab and UC Berkeley
2:30 PMCOS 37-4Impacts of atmospheric nitrogen deposition on European calcifuge grasslands
Carly J. Stevens, The Open University
2:50 PMCOS 37-5Transport and deposition of pyrogenic nitrogen in Africa: Role in regional biogeochemistry and fertility
Lara Prihodko, Colorado State University, Niall P. Hanan, Colorado State University
3:10 PM Break
3:20 PMCOS 37-6Effects of direct foliar uptake of gaseous nitrogen dioxide on plant-herbivore interactions
Dena M. Vallano, Cornell University, Stuart Campbell, Cornell University
3:40 PMCOS 37-7Ecosystem response to the urban atmosphere in the Sonoran Desert
Sharon J. Hall, Arizona State University, Ryan A. Sponseller, University of Alabama, Nancy B. Grimm, Arizona State University, David Huber, Arizona State University, Chris Clark, Arizona State University, Scott L. Collins, University of New Mexico, Jason P. Kaye, Pennsylvania State University, Jonathan Allen, Harvard University
4:00 PMCOS 37-8Ammonium nitrate and soil moisture effects on methane flux in a temperate forest
Emma L. Aronson, University of Pennsylvania, Brent Helliker, University of Pennsylvania
4:20 PMCOS 37-9Minor stimulation of soil carbon storage by nitrogen addition
Yiqi Luo, The University of Oklahoma, Meng Lu, Fudan University, Xuhui Zhou, The University of Oklahoma, Bo Li, Fudan University, Changming Fang, Fudan University, Jiakuan Chen, Fudan University
4:40 PMCOS 37-10Can predation negate resource effects on primary producers in extreme ecosystems?
Jim P. Zettel, University of Alberta, Rolf D. Vinebrooke, University of Alberta

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