B23B:
Molecular, Genomic, and Isotopic Approaches to Resolving Biotic and Abiotic Pathways of Nitrous Oxide Production in Terrestrial and Marine Ecosystems II Posters

Tuesday, 16 December 2014: 1:40 PM-6:00 PM
Chairs:  Jennifer B Glass, Georgia Institute of Technology, Atlanta, GA, United States, Nathaniel E Ostrom, Michigan State Univ, East Lansing, MI, United States and Xia Zhu, University of California Davis, Davis, CA, United States
Primary Conveners:  Jennifer B Glass, Georgia Institute of Technology, Atlanta, GA, United States
Co-conveners:  Nathaniel E Ostrom, Michigan State Univ, East Lansing, MI, United States and Xia Zhu, University of California Davis, Davis, CA, United States
OSPA Liaisons:  Jennifer B Glass, Georgia Institute of Technology, Atlanta, GA, United States

Abstracts Submitted to this Session:

0195
 
The Impact of Iron on Soil N2O Production Depends on Oxygen Availability
Xia Zhu, Timothy A Doane, Martin Burger and William R Horwath, University of California Davis, Davis, CA, United States
0196
 
Abiotic Nitrous Oxide Production in Natural and Artificial Seawater
Helena Ochoa1, Chloe L Stanton1, Amanda R Cavazos1, Nathaniel E Ostrom2 and Jennifer B Glass1, (1)Georgia Institute of Technology, Atlanta, GA, United States, (2)Michigan State Univ, East Lansing, MI, United States
0197
 
Isotope Effects Associated with N2O Production By Fungal and Bacterial Nitric Oxide Reductases: Implications for Tracing Microbial Production Pathways
Nathaniel E Ostrom, Hui Yang, Hasand Gandhi and Eric L. Hegg, Michigan State Univ, East Lansing, MI, United States
0198
 
A Tale of Two Gases: Isotope Effects Associated with the Enzymatic Production of H2 and N2O
Hui Yang1, Hasand Gandhi1, Helen W Kreuzer2, James Moran2, Eric A Hill2, Ashley McQuarters3, Nicolai Lehnert3, Nathaniel E Ostrom1 and Eric L. Hegg1, (1)Michigan State Univ, East Lansing, MI, United States, (2)Pacific Northwest National Laboratory, Richland, WA, United States, (3)University of Michigan Ann Arbor, Ann Arbor, MI, United States
0199
 
Metabolism of Nitrogen Oxides in Ammonia-Oxidizing Bacteria
Jessica Kozlowski and Lisa Y Stein, University of Alberta, Biological Sciences, Edmonton, AB, Canada
0200
 
Nitrous Oxide Production in the Eastern Tropical South Pacific Upwelling Zone
Qixing Ji, Andrew R Babbin and Bess B Ward, Princeton University, Geosciences, Princeton, NJ, United States
0201
 
N2O production by nitrifier denitrification in the Benguela Upwelling System
Caitlin H Frame, University of Basel, Basel, Switzerland, Lijun Hou, East China Normal University, Shanghai, China and Moritz F Lehmann, University of Basel, Department of Environmental Sciences, Basel, Switzerland
0202
 
Nitrous Oxide Production and Fluxes from Coastal Sediments under Varying Environmental Conditions
Wiebke Ziebis1, Scott D Wankel2, Dirk de Beer3, Jane Dentinger1, Carolyn Buchwald4 and Chawalit Charoenpong5, (1)University of Southern California, Biological Sciences, Los Angeles, CA, United States, (2)WHOI, Woods Hole, MA, United States, (3)Max Planck Institute for Marine Microbiology, Bremen, Germany, (4)Woods Hole Oceanographic Institution, Marine Chemistry and Geochemistry, Woods Hole, MA, United States, (5)Massachusetts Institute of Technology, Earth, Atmospheric and Planetary Science, Cambridge, MA, United States
0203
 
Seasonal variations and cycling of nitrous oxide using nitrogen isotopes and concentrations from an unsaturated zone of a floodplain
Markus Bill1, Mark E Conrad1, Sophie Kolding1, Kenneth Hurst Williams1 and Tetsu K Tokunaga2, (1)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (2)Lawrence Berkely Natl Lab, Berkeley, CA, United States
0204
 
Nitrous oxide production pathways in a partial nitritation-anammox reactor: Isotopic evidence for nitrous oxide production associated anaerobic ammonium oxidation?
Eliza Jean Harris1, Adriano Joss2, Lukas Emmenegger1, Marco Kipf2, Joachim Mohn1, Hansruedi Siegrist2 and Pascal Wunderlin2, (1)Swiss Federal Institute for Materials Science and Technology, Dubendorf, Switzerland, (2)EAWAG Swiss Federal Institute of Aquatic Science and Technology, Duebendorf, Switzerland
0205
 
Boreal forest soil nitrous oxide production and consumption responds positively to temperature and a warmer climate
Kate M Buckeridge, University of Kansas, Lawrence, KS, United States, Kate Edwards, Natural Resources Canada, Corner Brook, NL, Canada, Susan E Ziegler, Memorial University of Newfoundland, St John's, NL, Canada and Sharon A Billings, Univ Kansas, Lawrence, KS, United States
 
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