94th ESA Annual Meeting (August 2 -- 7, 2009)

Monday, August 3, 2009: 1:30 PM-5:00 PM

La Cienega, Albuquerque Convention Center

Presider:

Kenneth J. Forshay, United States Environmental Protection Agency

1:30 PM

COS 3-1

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

COS 3-2

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

COS 3-3

Facultative versus obligate nitrogen fixation strategies and their ecosystem consequences
Duncan N. L. Menge, Princeton University; Simon Levin, Princeton University; Lars O. Hedin, Princeton University

2:30 PM

COS 3-4

Nitrogen and phosphorus stoichiometry in a northern hardwood forest
Matthew P. Weand, Southern Polytechnic State University; 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

COS 3-5

Patterns of nitrogen loss from neo-tropical rainforests
Jack Brookshire, Montana State University; Lars O. Hedin, Princeton University; Daniel M. Sigman, Princeton University; Denis Newbold, Stroud Water Research Center

3:10 PM

COS 3-

Break

3:20 PM

COS 3-6

Denitrification to N₂ and N₂O in a pasture peatland: A test of the ¹⁵N₂O pool dilution approach
Wendy H. Yang, University of Illinois, Urbana-Champaign; Yit Arn Teh, University of St. Andrews; Whendee L. Silver, University of California, Berkeley

3:40 PM

COS 3-7

Emergence and dynamics of the global terrestrial nitrogen cycle
Lars O. Hedin, Princeton University; Stefan Gerber, University of Florida IFAS; Elena Shevliakova, Princeton University

4:00 PM

COS 3-8

Temporal and spatial patterns in soil oxygen availability: Implications for biogeochemical cycling
Daniel Liptzin, University of Colorado; Whendee L. Silver, University of California, Berkeley

4:20 PM

COS 3-9

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

See more of: Contributed Oral Papers

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COS 3 - Biogeochemistry: New Paradigms in Biogeochem Cycling