Tuesday, August 3, 2010: 8:00 AM-11:30 AM
334, David L Lawrence Convention Center
COS 20 - Ecosystem Function
8:00 AMPhysiological causes of the age-related decline in pine forest productivity
John. E. Drake, University of Illinois at Urbana-Champaign, Evan H. DeLucia, University of Illinois at Urbana-Champaign
8:20 AMAnalyzing the rain-use efficiency: New insights by meta-analysis and quantile regression
Jan C. Ruppert, University of Cologne, Anja Linstädter, University of Cologne
8:40 AMSoil heterogeneity of abandoned gas well pads in the Piceance Basin of western Colorado
Tamera J. Minnick, Mesa State College, Richard D. Alward, Aridlands Natural Resource Consulting, Mackenzie Gibson, Mesa State College, Seth Wilson, Mesa State College
9:00 AMVegetation diversity and heterogeneity on abandoned gas well pads in the Piceance Basin of western Colorado
Richard D. Alward, Aridlands Natural Resource Consulting, Tamera J. Minnick, Mesa State College, Seth Wilson, Mesa State College, Mackenzie Gibson, Mesa State College
9:20 AMAboveground net primary production responses to water availability in the Chihuahuan Desert: the importance of legacy effects
Lara G. Reichmann, Brown University, Osvaldo E. Sala, Brown University, Debra P.C. Peters, USDA Agricultural Research Service
9:40 AMBreak
9:50 AMChanges in leaf litter chemistry and extracellular enzyme activity during decomposition of natural leaf mixtures at two northwest Ohio forests
John E. Herman, Coastal Carolina Community College, Daryl L. Moorhead, University of Toledo, Michael N. Weintraub, University of Toledo
10:10 AMCANCELLED - Are N Immobilization-Mineralization Dynamics in Foliar Litter related to patterns of stream nitrate exports? A Study in an Appalachian Forest
Kathryn B. Piatek, West Virginia University, Mary Beth Adams, USDA Forest Service
10:30 AMAre humans decreasing the frequency and/or magnitude of ecological synergies?  A review and case study employing multiple nutrient enrichment in Bahamian estuaries
Jacob E. Allgeier, University of Georgia, Amy D. Rosemond, University of Georgia, Craig A. Layman, Florida International University
10:50 AMHigh dissolved-inorganic-carbon uptake in closed ecological systems: Is this why ‘cosms tend to demonstrate carbon limitation, unlike lakes?
Frieda B. Taub, University of Washington.
11:10 AMLong-term responses of soil microbial community structure and function to changes in precipitation in a Chihuahuan Desert grassland: Impacts towards understanding  Soil responses to global climate change
Colin Bell, Texas Tech University, V. Acosta-Martinez, USDA-ARS, Nancy E. McIntyre, Texas Tech University, Stephen B. Cox, Texas Tech University, David T. Tissue, University of Western Sydney, John Zak, Texas Tech University

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See more of The 95th ESA Annual Meeting (August 1 -- 6, 2010)