Wednesday, August 6, 2008: 1:30 PM-5:00 PM
104 C, Midwest Airlines Center
COS 67 - Climate Change and Carbon II
1:30 PMMycorrhizal mediation of residue decomposition: Impact of elevated CO2 and N inputs
Shuijin Hu, North Carolina State University, Lei Cheng, North Carolina State University, Kent O Burkey, North Carolina State University, Fitzgerald L Booker, North Carolina State University, Thomas W Rufty, North Carolina State University, Cong Tu, North Carolina State University, H. David Shew, North Carolina State University
1:50 PMEffects of elevated CO2 and nitrogen fertilization on nitrate reductase activity in Pinus taeda and Liquidambar styraciflua
Susan M. Natali, State University of New York at Stony Brook, Manuel Lerdau, University of Virginia
2:10 PMIncreased carbon and nitrogen input from fine roots in a CO2-enriched deciduous forest: Implications for soil carbon storage and nitrogen cycling
Colleen M. Iversen, University of Tennessee, Knoxville, Joanne Ledford, Oak Ridge National Laboratory, Richard J. Norby, Oak Ridge National Laboratory
2:30 PMDrivers of tree mortality in the eastern and central U.S
Michael C. Dietze, Harvard University, Paul R. Moorcroft, Harvard University
2:50 PMIncreases in tree productivity across the extra-tropical northern hemisphere during the Anthropocene: On the role of tree age and nitrogen deposition
Steven L. Voelker, Oregon State University, Frederick C. Meinzer, USDA Forest Service, Barbara Lachenbruch, Oregon State University, Richard P. Guyette, University of Missouri, Rose-Marie Muzika, University of Missouri
3:10 PMBreak
3:20 PMSoil-specific C and N responses to changing atmospheric CO2 concentrations in a mesic grassland ecosystem
Virginia L. Jin, USDA, Agricultural Research Service, Philip A. Fay, USDA, Agricultural Research Service, Wayne H. Polley, USDA, Agricultural Research Service, Robert B. Jackson, Duke University, Richard A. Gill, Washington State University
3:40 PMImportance of nitrogen-limited plant productivity on the feedbacks between climate and the terrestrial carbon cycle
David W. Kicklighter, Marine Biological Laboratory, Andrei P. Sokolov, Massachusetts Institute of Technology, Jerry M. Melillo, Marine Biological Laboratory, Benjamin S. Felzer, Marine Biological Laboratory, Timothy W. Cronin, Marine Biological Laboratory, C. Adam Schlosser, Massachusetts Institute of Technology
4:00 PMElevated carbon dioxide alters the relative fitness of Taraxacum officinale genotypes
James A. Bunce, US Department of Agriculture - Agricultural Research Service
4:20 PMBiomass development in riparian late-succcessional northern hardwood-hemlock forests: Implications for forest carbon sequestration and management
William S. Keeton, University of Vermont
4:40 PMEarthworm populations and feeding habits under elevated atmospheric carbon dioxide in a sweetgum plantation
Yaniria Sánchez-de León, University of Illinois at Chicago, Miquel González-Meler, University of Illinois at Chicago, David H. Wise, University of Illinois at Chicago, Richard J. Norby, Oak Ridge National Laboratory

See more of Contributed Oral Papers

See more of The 93rd ESA Annual Meeting (August 3 -- August 8, 2008)