COS 91
Biogeochemistry: New Paradigms In Biogeochem Cycling I

Thursday, August 14, 2014: 8:00 AM-11:30 AM
302/303, Sacramento Convention Center
8:00 AM
COS 91-1
 Functional traits as competitive strategies driving nutrient dynamics of tropical rainforest trees during gap succession
Cleo B. Chou, Princeton University; Lars O. Hedin, Princeton University; Stephen W. Pacala, Princeton University
8:20 AM
COS 91-2
 Aboveground N2-fixing bacterial endophytes in subalpine conifers: A novel pathway for ecosystem acquisition of new nitrogen?
A. Carolin Frank, University of California; Alyssa Carrell, University of California; Dana L. Carper, University of California; Lara M. Kueppers, University of California, Merced; Andrew B. Moyes, University of California, Merced
8:40 AM
COS 91-3
 Nutrients and light limit biomass growth of N2-fixing but not non-fixing trees in tropical forests
Annette Trierweiler, Princeton University; Lars Hedin, Princeton University; Joseph S. Wright, Smithsonian Tropical Research Institute
9:00 AM
COS 91-4
 Nitrogen and phosphorus co-limitation in northern hardwood forests
Craig R. See, SUNY College of Environmental Science and Forestry; Melany C. Fisk, Miami University of Ohio; Ruth D. Yanai, SUNY College of Environmental Science and Forestry
9:20 AM
COS 91-5
 Nitrogen vs. phosphorus limitation of terrestrial produtivity: A global scale analysis based on the carbon costs of resource uptake
Adrien C. Finzi, Boston University; Allison L. Gill, Boston University
9:40 AM
COS 91-
 Break
9:50 AM
COS 91-6
 Changes in carbon stability and chemistry along deep tropical soil profiles at the Luquillo Critical Zone Observatory
Madeleine M. Stone, University of Pennsylvania
10:10 AM Cancelled
COS 91-7
 Assessing the fate of N deposition on the Colorado Plateau
Carla M. Roybal, U.S. Geological Survey; Sasha C. Reed, U.S. Geological Survey; Lisa Floyd-Hanna, Prescott College; Timothy E. Crews, The Land Institute; Jayne Belnap, U.S. Geological Survey
10:30 AM
COS 91-8
 Biogeochemical variation among tropical forests spanning the global range of denudation rates
Stephen Porder, Brown University; George E. Hilley, Stanford University; Noemi Chacon, Instituto Venezolano de Investigaciones Científicas; Steven Goldsmith, Villanova University; Shuh-Ji Kao, Academia Sinica; Harmony S. Lu, Brown University; Luiz A. Martinelli, University of Sao Paulo, Brazil; Carla Restrepo, University of Puerto Rico-Rio Piedras
10:50 AM Cancelled
COS 91-9
 Methane emissions from upland trees
Scott Pitz, Johns Hopkins University; James P. Megonigal, Smithsonian Environmental Research Center; Lisa M. Schile, San Francisco State University; Katalin Szlavecz, Johns Hopkins University
11:10 AM
COS 91-10
 Ecophysiological responses of marine calcifiers to the acidification and bicarbonation of the oceans 
M. Debora Iglesias-Rodriguez, University of California Santa Barbara; Justin Ries, Northeastern University; Bethan M. Jones, Oregon State University; Mario Lebrato, Scripps Institution of Oceanography; Erik Buitenhuis, University of East Anglia; Oscar M. Schofield, Rutgers University
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