95th ESA Annual Meeting (August 1 -- 6, 2010)

COS 31 - Biogeochemistry: C and N Cycling in Response to Global Change III

Tuesday, August 3, 2010: 1:30 PM-5:00 PM
406, David L Lawrence Convention Center
Biao Zhu
1:30 PM
Why plants lose their inhibitions in the Arctic: functional traits, phylogenetics and respiration in the light
Nicholas Mirotchnick, University of Toronto; Owen Atkin, The Australian National University; Matthew Turnbull, University of Canterbury; Kevin L. Griffin, Lamont Doherty Earth Observatory, Columbia University
1:50 PM
Effects of nitrogen cycle on the historic land carbon sink
Stefan Gerber, University of Florida IFAS; Lars Hedin, Princeton University; Elena Shevliakova, Princeton University; Stephen W. Pacala, Princeton University; Sonja G. Keel, University of Bern
2:10 PM
Biogeochemical consequences of moss die-off in response to increased pulsing precipitation in an arid ecosystem
Tamara J. Zelikova, University of Wyoming; Sasha Reed, U.S. Geological Survey; Jayne Belnap, U.S. Geological Survey
2:30 PM
Surprisingly rapid nitrogen cycling in tropical forest plantations on volcanically derived soils
James Raich, Iowa State University; Ann E. Russell, Iowa State University
2:50 PM
Spatial and temporal variations in terrestrial CH4 flux over North America during 1979-2008
Xiaofeng Xu, Auburn University, AL; Hanqin Tian, Auburn University; Mingliang Liu, Washington State University; Wei Ren, Auburn University; Guangsheng Chen, Oak Ridge National Laboratory; Chaoqun Lu, Auburn University; Chi Zhang, Auburn University
3:10 PM
3:20 PM
Ecological and historical controls on black carbon storage in Hawaiian grassland soils
Daniela F. Cusack, University of California - Los Angeles; Oliver A. Chadwick, University of California; Thegn N. Ladefoged, Auckland University; Peter M. Vitousek, Stanford University
3:40 PM
Soil nitrogen emissions in a changing climate: Lessons from the Colorado Plateau
Carmody K. McCalley, Cornell University; Jed P. Sparks, Cornell University
4:00 PM
Bridging non-random tree species change and microbial community function in an uncertain future
Ashley D. Keiser, Yale University; Jennifer D. Knoepp, Coweeta Hydrologic Laboratory; Mark A. Bradford, Yale University
4:20 PM
Testing the stability of carbon pools stored in Carex stricta tussocks
Beth Lawrence, University of Wisconsin-Madison
4:40 PM
The response of amino acid cycling to global change across multiple biomes: Feedbacks on soil nitrogen availability
Edward R. Brzostek, Indiana University; Adrien C. Finzi, Boston University