COS 82
Biogeochemistry: C And N Cycling In Response To Global Change II

Thursday, August 8, 2013: 8:00 AM-11:30 AM
101G, Minneapolis Convention Center
8:00 AM
COS 82-1
 Responses of ecosystem carbon cycle to experimental warming:a meta-analysis
Meng Lu, Smithsonian Environmental Research Center; Xuhui Zhou, Fudan University; Yiqi Luo, University of Oklahoma; Bo Li, Fudan University
8:20 AM
COS 82-2
 Spatial and temporal heterogeneity in bog enzymes and their temperature responses
J. Megan Steinweg, Oak Ridge National Laboratory; Joel E. Kostka, Georgia Institute of Technology; Paul J. Hanson, Oak Ridge National Laboratory; Christopher W. Schadt, Oak Ridge National Laboratory
8:40 AM
COS 82-3
 Shifts in forest soil enzyme stoichiometry due to season, pH, and phosphorus availability
Jared L. DeForest, Ohio University; Kurt A. Smemo, The Holden Arboretum; Michael N. Weintraub, University of Toledo; David J. Burke, The Holden Arboretum; Sarah R. Carrino-Kyker, The Holden Arboretum; Charlotte R. Hewins, The Holden Arboretum; Laurel A. Kluber, Oak Ridge National Laboratory
9:00 AM
COS 82-4
 Effect of rewetting following drought on nitrous oxide and carbon dioxide emissions from temperate agricultural soils: the response to nitrogen is mediated by carbon availability
Ilya Gelfand, Michigan State University; Mengdi Cui, Brown University; Jianwu Tang, Marine Biological Laboratory; G. Philip Robertson, Michigan State University
9:20 AM
COS 82-5
 Perennial plant cover controls soil nitrogen retention in managed current and former grasslands of the semi-arid western Great Plains
Megan L. Mobley, University of Wyoming; Rebecca L. McCulley, University of Kentucky; Ingrid C. Burke, University of Wyoming; Gary A. Peterson, Colorado State University; David S. Schimel, Jet Propulsion Lab, California Institute of Technology; C. Vernon Cole, Colorado State University; E.T. Elliott, Colorado State University; Dwayne G. Westfall, Colorado State University
9:40 AM
COS 82-
 Break
9:50 AM
COS 82-6
 Elevated carbon dioxide: favors coexistence for competing species in a trait-based model
Ashehad A. Ali, Los Alamos National Laboratory; Belinda E. Medlyn, Macquarie University; Paul D. Smith, Macquarie University; Kristine Y. Crous, Hawkesbury Institute for the Environment, University of Western Sydney; Peter B. Reich, University of Minnesota
10:10 AM
COS 82-7
 Increasing frequency of drought reduces carbon storage in an Eastern deciduous forest
Edward R. Brzostek, Indiana University; Danilo Dragoni, Indiana University; Daniel A. Sims, Indiana University; A. F. Rahman, Indiana University; Richard P. Phillips, Indiana University
10:30 AM
COS 82-8
 Varied nitrogen deposition effects on decomposition are driven by site-specific fungal communities in temperate forests
Meghan G. Midgley, Indiana University; Richard P. Phillips, Indiana University
10:50 AM
COS 82-9
 Additional carbon storage under elevated CO2 is not diminished – and may even be amplified – by nitrogen limitation
Ray Dybzinski, Princeton University; Caroline E. Farrior, Princeton University; Stephen W. Pacala, Princeton University
11:10 AM
COS 82-10
 Nitrogen fertilization alters microbial community composition and reduces the soil organic carbon pool in an old-growth subalpine forest
Claudia M. Boot, Colorado State University; Ed K. Hall, Colorado State University; Karolien Denef, Colorado State University; Jill Baron, Natural Resource Ecology Laboratory, United States Geological Survey
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