93rd ESA Annual Meeting (August 3 -- August 8, 2008)

1:30 PM

COS 67-1

Mycorrhizal mediation of residue decomposition: Impact of elevated CO₂ and N inputs
Shuijin Hu, North Carolina State University; Lei Cheng, Zhejiang 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 PM

COS 67-2

Effects of elevated CO₂ and nitrogen fertilization on nitrate reductase activity in Pinus taeda and Liquidambar styraciflua
Susan M. Natali, Woods Hole Research Center; Manuel Lerdau, University of Virginia

2:10 PM

COS 67-3

Increased carbon and nitrogen input from fine roots in a CO₂-enriched deciduous forest: Implications for soil carbon storage and nitrogen cycling
Colleen Iversen, Oak Ridge National Laboratory; Joanne Childs, Oak Ridge National Laboratory; Richard J. Norby, Oak Ridge National Laboratory

2:30 PM

COS 67-4

Drivers of tree mortality in the eastern and central U.S
Michael C. Dietze, University of Illinois; Paul R. Moorcroft, Harvard University

2:50 PM

COS 67-5

Increases in tree productivity across the extra-tropical northern hemisphere during the Anthropocene: On the role of tree age and nitrogen deposition
Steven L. Voelker, Southern Oregon University; Frederick C. Meinzer, USDA Forest Service; Barbara Lachenbruch, Department of Forest Ecosystems & Society; Richard P. Guyette, University of Missouri; Rose-Marie Muzika, University of Missouri

3:10 PM

COS 67-

Break

3:20 PM

COS 67-6

Soil-specific C and N responses to changing atmospheric CO₂ concentrations in a mesic grassland ecosystem
Virginia L. Jin, USDA-ARS; Philip A. Fay, USDA, Agricultural Research Service; Wayne H. Polley, USDA, Agricultural Research Service; Rob Jackson, Stanford and Duke universities; Richard A. Gill, Brigham Young University

3:40 PM

COS 67-7

Importance 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, Lehigh University; Timothy W. Cronin, Marine Biological Laboratory; C. Adam Schlosser, Massachusetts Institute of Technology

4:00 PM

COS 67-8

Elevated carbon dioxide alters the relative fitness of Taraxacum officinale genotypes
James A. Bunce, US Department of Agriculture - Agricultural Research Service

4:20 PM

COS 67-9

Biomass development in riparian late-succcessional northern hardwood-hemlock forests: Implications for forest carbon sequestration and management
William S. Keeton, University of Vermont

4:40 PM

COS 67-10

Earthworm populations and feeding habits under elevated atmospheric carbon dioxide in a sweetgum plantation
Yaniria Sánchez-de León, University of Puerto Rico at Utuado; Miquel González-Meler, University of Illinois at Chicago; David H. Wise, University of Illinois at Chicago; Richard J. Norby, Oak Ridge National Laboratory

COS 67 - Climate Change and Carbon II