Tuesday, 8 November 2005: 9:00 AM-11:00 AM
Convention Center,, Exhibit Hall ABC, Lower Level
175: Management and Trace Gas Flux
Sponsor:S03 Soil Biology & Biochemistry
1210Vertical Natural Abundance Gradients of 15N and 18O in Soil Atmospheric Nitrous Oxide - Temporal Dynamics in a Sandy Soil.*
Jan Willem Van Groenigen, Alterra, Wageningen UR, Kor B. Zwart, Alterra, Wageningen UR, Chris Van Kessel, UC Davis Dept. of Plant Sciences
1211Emission of greenhouse gases from mulch and compost covered plots during two consecutive years.
Marek Jarecki, Ohio State University, Rattan Lal, Ohio State University
1309The Fate of 15N Labeled N2O Diffusing into the Subsoil.
Tim J. Clough, Lincoln University, Francis M. Kelliher, Manaaki Whenua - Landcare Research, Robert R. Sherlock, Lincoln University
1310Assessing Seasonal Greenhouse Gas Emissions and Belowground C and N Processes under Different Fire Frequencies in Soils of Sierra Nevada Chaparral Shrublands.*
Urszula Norton, LAWR University of California Davis, William R. Horwath, LAWR University of California Davis, Jay B. Norton, Univeristy of California Cooperative Extension Tuolomne County, Timothy A. Doane, LAWR University of California Davis
1408A Novel Dual Isotope Enrichment Method for Distinguishing N2O Sources in Soils.*
Nicole Wrage, University of Aberdeen, Jan Willem Van Groenigen, Wageningen University and Research Centre, Oene Oenema, Wageningen University and Research Centre, Elizabeth M. Baggs, University of Aberdeen
1409Nitrous Oxide and Methane Emissions from Rotationally-Grazed Pasture Soils.
Curtis Dell, USDA-ARS-PSWMRU, John Schmidt, USDA-ARS-PSWMRU, R. Howard Skinner, USDA-ARS
1410Impact of Climate Change on Full Carbon Cycle Analysis of Bioenergy Cropping Systems in Pennsylvania.
Paul R. Adler, USDA-ARS, Stephen J. Del Grosso, NREL/CSU, William J. Parton, NREL/CSU, William E. Easterling, Penn State Institutes of the Environment
1411Effects of Drying and Rewetting on CO2 and N2O Losses from Compacted and Uncompacted Soil.*
Michael Beare, New Zealand Institute for Crop & Food Research, Edward Gregorich, Agriculture & Agri-Food Canada, Patrick St-George, Agriculture & Agri-Food Canada, Ulrica McKim, Agriculture & Agri-Food Canada
1507Emission of Biogenic Gases as Influenced by Soil Compaction and Nitrogen Fertilization.*
Edward Gregorich, Agriculture & Agri-Food Canada, David Lapen, Agriculture & Agri-Food Canada, Neil Mclaughlin, Agriculture & Agri-Food Canada, Bao-Luo Ma, Agriculture & Agri-Food Canada
1508Impacts of Warming and Fertilization on Nitrogen-Fixing Microbial Communities in the Canadian High Arctic.
Julie Deslippe, University of British Columbia, Keith N. Egger, University of Northern British Columbia, Greg H. R. Henry, University of British Columbia
1509Soil Respiration, Nitrification and Denitrification Activity as Influenced by Tillage Practice and Soil Water Potential.*
Søren O. Petersen, Danish Institute of Agricultural Sciences, Per Schjønning, Danish Institute of Agricultural Sciences, Ingrid K. Thomsen, Danish Institute of Agricultural Sciences, Bent T. Christensen, Danish Institute of Agricultural Sciences
1511Investigating C and N Dynamics Using Stable Isotope Tracers in Corn.*
Jennifer Y. King, University of Minnesota, Deborah Allan, University of Minnesota, Department of Soil, Water, and Climate, Jeffrey S. Strock, University of Minnesota, Department of Soil, Water, and Climate, James C. Bell, University of Minnesota, Department of Soil, Water, and Climate, Jane F. Johnson, USDA-ARS North Central Soil Conservation Research Lab, Harriet Van Vleck, University of Minnesota, Department of Ecology, Evolution, and Behavior, Silvano Abreu, University of Minnesota, Department of Soil, Water, and Climate, Keith Piotrowski, University of Minnesota, Department of Soil, Water, and Climate

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* = Poster available online