COS 3 Biogeochemistry: New Paradigms in Biogeochem Cycling

Monday, August 3, 2009: 1:30 PM-5:00 PM
La Cienega, Albuquerque Convention Center
Presider:
Kenneth J. Forshay
1:30 PM
1
Feammox: A novel pathway for ammonium oxidation and nitrogen loss from terrestrial ecosystems
Whendee L. Silver, University of California, Berkeley; Wendy Yang, University of California, Berkeley; Karrie A. Weber, University of Nebraska
1:50 PM
2
Bedrock nitrogen: An overlooked source of nutrients to temperate forests
Scott L. Morford, University of California, Davis; Benjamin Z. Houlton, University of California, Davis; Randy A. Dahlgren, University of California, Davis
2:10 PM
3
Facultative versus obligate nitrogen fixation strategies and their ecosystem consequences
Duncan N. L. Menge, National Center for Ecological Analysis and Synthesis; Simon Levin, Princeton University; Lars O. Hedin, Princeton University
2:30 PM
4
Nitrogen and phosphorus stoichiometry in a northern hardwood forest
Matthew P. Weand, University of Kentucky; Mary A. Arthur, University of Kentucky; Gary M. Lovett, Cary Institute of Ecosystem Studies; Kathleen C. Weathers, Cary Institute of Ecosystem Studies
2:50 PM
5
Patterns of nitrogen loss from neo-tropical rainforests
Jack Brookshire, Princeton University; Lars O. Hedin, Princeton University; Daniel M. Sigman, Princeton University; Denis Newbold, Stroud Water Research Center
3:10 PM
3:20 PM
6
Denitrification to N2 and N2O in a pasture peatland: A test of the 15N2O pool dilution approach
Wendy H. Yang, University of California, Berkeley; Yit Arn Teh, University of St. Andrews; Whendee L. Silver, University of California, Berkeley
3:40 PM
7
Emergence and dynamics of the global terrestrial nitrogen cycle
Lars O. Hedin, Princeton University; Stefan Gerber, Princeton University; Elena Shevliakova, Princeton University
4:00 PM
8
Temporal and spatial patterns in soil oxygen availability: Implications for biogeochemical cycling
Daniel Liptzin, University of California - Berkeley; Whendee L. Silver, University of California, Berkeley
4:20 PM
9
Fungal C translocation precludes N mineralization
Johanna B. Boberg, Swedish University of Agricultural Sciences; Roger D. Finlay, Swedish University of Agricultural Sciences; Jan Stenlid, Swedish University of Agricultural Sciences; Björn D. Lindahl, Swedish University of Agricultural Sciences