Tuesday, November 14, 2006: 8:25 AM
Indiana Conv. Center, Room 102, First Floor
185: Characterizing Pool Sizes, Chemistry and Kinetics of Soil Organic Matter
Sponsor:S03 Soil Biology & Biochemistry
Presiding:William Horwath, Univ of California at Davis, LAWR
8:25 AMIntroductory Remarks
8:30 AMLitter Effects on DOC and DON Dynamics in a Sierran Conifer Forest.
William Horwath, Univ of California at Davis, LAWR, Victoria Nicholson, Univ. California Davis, Robert Powers, PSW Research Station
8:45 AMSoil Carbon and Microbial Dynamics During Long-Term Incubation Involving 13C and 14C Measurements. 
Eldor Paul, Colorado State University, Ronald Follett, USDA-ARS, Soil Plant Nutrient Res.
9:00 AMControls Over Molecular C Dynamics and Turnover Rates of Soil Fractions in Geochemically Distinct Soils.
A.S. Grandy, University of Colorado at Boulder, J.C. Neff, University of Colorado at Boulder
9:15 AMInfluence of Cropping System on the Transformation and Accumulation of Rhizodeposited C in Humic Acid fFactions. 
Daniel Walters, Univ.of Nebraska, Dept. of Agron & Hort., Brigid Amos, University of Nebraska at Lincoln, Haishun Yang, University of Nebraska at Lincoln, Madhavan Soundarahan, University of Nebraska at Lincoln
9:30 AMSoil Phenol Oxidase Enzyme Activity and Carbon Stabilization in No-tillage Systems.
Soraya Alvarado, Univ. of Kentucky, Agronomy Dept S-12 ASCN, John H. Grove, Univ. of Kentucky, Dept. of Plant and Soil Sciences, Christopher Matocha, Univ. of Kentucky, Elisa D'Angelo, Univ. of Kentucky
9:45 AMBreak
10:00 AMPredicting aggregate stability changes over time after organic matter inputs to soil: measuring and modeling rate addition effects.
Diego Cosentino, INRA-INAPG UMR Bioemco, Claire Chenu, INAPG UMR Bioemco, Patricia Garnier, INRA UMR EGC
10:15 AMLinks Between Litter Microbial Activity and the Resultant Biopolymer Chemistry of Decayed Litter Among Forest Floors of Different Age.
Timothy Filley, Purdue University, EAS Dept., Melissa McCormick, Smithsonian Environmental Research Center, D. Lee Taylor, University of Alaska - Fairbanks; Institute of Arctic Biology, Dennis Whigham, Smithsonian Environmental Research Center
10:30 AMForest Fire and Character of Soil Organic Matter as Revealed by a Multi-element Scanning Thermal Analysis.
Yuch Hsieh, Florida A&M Univ., Kevin Robertson, Tall Timbers Research Station, Charles Coultas, Florida A&M University
10:45 AMCharcoal Quantification in the Sierra Nevada, California: A Comparison of Analytical Techniques. 
M. Derek MacKenzie, Renewable Resources, Jan O. Skjemstad, CSIRO Land and Water, Robert Graham, Dept. of Soil & Environ. Sci., Sylvie Quideau, Renewable Resources
11:00 AMAdjourn

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