Soil Organic Matter Dynamics: Processes of Stabilization and Decomposition III

Tuesday, 16 December 2014: 10:20 AM-12:20 PM
Chairs:  Jennifer Y King, University of California Santa Barbara, Santa Barbara, CA, United States and Susan E Crow, University of Hawaii Manoa, Honolulu, HI, United States
Primary Conveners:  Kate Lajtha, Oregon State University, Corvallis, OR, United States
Co-conveners:  Marc G Kramer, University of Florida, Soil and Water Science Department, Ft Walton Beach, FL, United States, Jennifer Y King, University of California Santa Barbara, Santa Barbara, CA, United States and Katherine A Heckman, USDA Forest Service, Northern Institute of Applied Climate Science, Vallejo, CA, United States
OSPA Liaisons:  Nancy Cavallaro, USDA/NIFA, Washington, DC, United States

Abstracts Submitted to this Session:

10:20 AM
Recalcitrance: An Inherent Relative Attribute of Plant Litter Describing Its Potential Decomposability
M Francesca Cotrufo1,2, Sarah Fulton-Smith1, Michelle L Haddix1, Andrew J. Horton1 and Jennifer Soong1, (1)Colorado State University, Fort Collins, CO, United States, (2)University of Lancaster, Lancaster, United Kingdom
10:35 AM
Root Mediation of Soil Organic Matter Feedbacks to Climate Change
Elise Pendall1, Yolima Carrillo1, Ming Nie2, Yui Osanai1, Laura C. Nelson2, Jonathan Sanderman3, Jeff Baldock3 and Mark Hovenden4, (1)University of Western Sydney, Penrith, NSW, Australia, (2)University of Wyoming, Laramie, WY, United States, (3)CSIRO Land and Water, Glen Osmond, SA, Australia, (4)University of Tasmania, Hobart, Australia
10:50 AM
Gone or Just out of Sight? the Apparent Disappearance of Aromatic Litter Components in Soils
Thimo Klotzbücher, Martin Luther University of Halle-Wittenberg, Halle, Germany, Karsten Kalbitz, University of Amsterdam, Institute for Biodiversity and Ecosystem Dynamics, Amsterdam, Netherlands, Chiara Cerli, University of Amsterdam, Amsterdam, Netherlands, Peter Hernes, University of California - Davis, Davis, CA, United States and Klaus Kaiser, Martin Luther University of Halle-Wittenberg, Soil Sciences, Halle, Germany
11:05 AM
Lignin degradation during plant litter photodegradation
Yang Lin and Jennifer Y King, University of California, Santa Barbara, CA, United States
11:20 AM
Nanoscale Structure of Organic Matter Could Explain Litter Decomposition
Gabriella Papa and Fabrizio Adani, University of Milan - Bicocca, Milan, Italy
11:35 AM
Interactions of landscape position, stream flow, and litter quality on litter decomposition in intermittent to ephemeral streams in the American Southwest
Kathleen A Lohse1, Stacy Gayle Schwabedissen1, Erika L Gallo2 and Thomas Meixner2, (1)Idaho State University, Biological Sciences, Pocatello, ID, United States, (2)University of Arizona, Tucson, AZ, United States
11:50 AM
Does elevated N make lignin more recalcitrant?
Michael N Weintraub1, Zachary L. Rinkes1, Stuart Grandy2, Kyle Wickings3 and Isabelle Bertrand4, (1)University of Toledo, Toledo, OH, United States, (2)University of New Hampshire, Durham, NH, United States, (3)Cornell University, Ithaca, NY, United States, (4)INRA Reims, Reims, France
12:05 PM
The Litter Decomposition and Leaching (LIDEL) model: modeling plant litter decomposition to CO2, dissolved organic matter and microbial products through nitrogen and lignin controls on microbial carbon use efficiency
Eleanor E Campbell, William J Parton, Jennifer Soong, M Francesca Cotrufo and Keith Paustian, Colorado State University, Fort Collins, CO, United States
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