COS 45 - Biogeochemistry: Experimental Climate Change Effects on Biogeo Processes

Wednesday, August 4, 2010: 8:00 AM-11:30 AM
406, David L Lawrence Convention Center
Presider:
James W. Raich, Iowa State University
8:00 AM
 Resource allocation strategies in a changing environment: the comparison of two contrasting Arctic tundra plant species
Hélène Genet, University of Alaska Fairbanks; Gregory Starr, University of Alabama; Behzad Mortazavi, University of Alabama and Dauphin Island Sea Lab; Gaius R. Shaver, Marine Biological Laboratory; Steven F. Oberbauer, Florida International University
8:20 AM
 Browning of the waters: Do terrestrial carbon subsidies alter aquatic ecosystem stability?
Jay T. Lennon, Indiana University; Stuart E. Jones, University of Notre Dame
9:00 AM
 Winter climate change and the legacy effect of soil frost on carbon and nitrogen fluxes from northern forest soils: A microcosm study
Andrew B. Reinmann, Boston University; John Campbell, United States Department of Agriculture Forest Service; Pamela H. Templer, Boston University
9:20 AM
 Biotic and physical influences on internal phosphorus loading in a Great Lakes coastal system
Donna R. Kashian, Wayne State University; R. Hunter Oates, Wayne State University; Thomas H. Johengen, University of Michigan
9:40 AM
9:50 AM
 Soil type influences the sensitivity of nutrient dynamics to changes in atmospheric CO2
Richard A. Gill, Brigham Young University; Virginia L. Jin, USDA-ARS; Philip A. Fay, USDA, Agricultural Research Service; H. Wayne Polley, USDA, Agricultural Research Service; Alexia M. Kelley, North Carolina State University; Robert B. Jackson, Stanford and Duke universities
10:10 AM
 Climatic changes alter the quantity and quality of polymers in plant litter: Implications for soil nutrient cycling
Nishanth Tharayil, Clemson University; Vidya Suseela, Clemson University; Daniella J. Triebwasser, Clemson University; Jeffrey S. Dukes, Purdue University
10:30 AM
 Elevated atmospheric CO2 does not increase root biomass or carbon stocks in the Mojave Desert
Scot Ferguson, University of Nevada Reno; Robert S. Nowak, University of Nevada Reno
10:50 AM
 Turbulent carbon dioxide exchange between an old-growth subtropical forest and the atmosphere
Zhenghong Tan, Xishuangbanna tropical botanical garden, Chinese Academy of Sciences; Yiping Zhang, Xishuangbanna tropical botanical garden, Chinese Academy of Sciences
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