Chairs: Susan E Crow, University of Hawaii Manoa, Honolulu, HI, United States and Kate Lajtha, Oregon State University, Corvallis, OR, 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
A Threshold of Substrate Addition Rate Predicts the Direction of Soil Organic Matter Priming in Different Ecosystems
Xiao-Jun Allen Liu1,2, Jinran Sun2, Rebecca L Mau2, Brianna K. Finley1,2, Zacchaeus G Compson2, Paul Dijkstra1,2, Egbert Schwartz1,2 and Bruce A Hungate1,2, (1)Northern Arizona University, Department of Biological Sciences, Flagstaff, AZ, United States, (2)Northern Arizona University, Center for Ecosystem Science and Society, Flagstaff, AZ, United States
Soil Organic Matter Stability and Soil Carbon Storage with Changes in Land Use Intensity in Uganda
Lisa K Tiemann1,2, Stuart Grandy1 and Joel Hartter3, (1)University of New Hampshire, Durham, NH, United States, (2)Michigan State University, Plant, Soil and Microbial Sciences, East Lansing, MI, United States, (3)University of Colorado at Boulder, Environmental Studies Program, Boulder, CO, United States
Litter Inputs and Soil Aggregation in Midwestern Biofuel Crops
Ilsa B Kantola1, Michael D Masters1, Eoghan M Smyth1 and Evan H DeLucia1,2, (1)University of Illinois at Urbana Champaign, Energy Biosciences Institute, Urbana, IL, United States, (2)University of Illinois at Urbana Champaign, Plant Biology, Urbana, IL, United States
Temperature and Microbial Activity Effects on Soil Carbon Stabilization
Cinzia Fissore1, Linda van Diepen2, Devin Wixon3, Erika Marin-Spiotta3 and Christian P Giardina4, (1)Whittier College, Whittier, CA, United States, (2)University of New Hampshire Main Campus, Durham, NH, United States, (3)University of Wisconsin Madison, Madison, WI, United States, (4)USDA Forest Service, Institute of Pacific Islands Forestry, Hilo, HI, United States
Visualizing the Stability of Char: Molecular- to Micron-scale Observations of Char Incubated in a Tropical Soil
Katherine A Heckman1, Christina Ramon2, Peter K Weber3, Margaret S Torn4, Jennifer Pett-Ridge2 and Peter S Nico5, (1)USDA Forest Service, Vallejo, CA, United States, (2)Lawrence Livermore National Laboratory, Chemical Sciences Division, Livermore, CA, United States, (3)Lawrence Livermore National Laboratory, Livermore, CA, United States, (4)Berkeley Lab/UC Berkeley, Berkeley, CA, United States, (5)Lawrence Berkeley Laboratory, Berkeley, CA, United States
Foundations of Soil Organic Matter Stabilization: Tracing the Influence of Mineralogy on the Initial Sorption of Root-Derived Carbon
Rachel Neurath1, Peter S Nico2, Jennifer Pett-Ridge3 and Mary Firestone1, (1)University of California Berkeley, Berkeley, CA, United States, (2)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (3)Lawrence Livermore National Laboratory, Chemical Sciences Division, Livermore, CA, United States
The role of tree species and soil moisture in soil organic matter stabilization and destabilization
Jeff A Hatten1, Janet Dewey2, Scott Roberts3, Karen McNeal4 and Andrew Shaman3, (1)Oregon State University, Corvallis, OR, United States, (2)University of Wyoming, Laramie, WY, United States, (3)Mississippi State University, Mississippi State, MS, United States, (4)North Carolina State University at Raleigh, Raleigh, NC, United States
Assessing the Influence of Mineral Surface Chemistry on Soil Organic Matter Stability in the US in Response to Climate Change
Alexandra Toledo, Organization Not Listed, Washington, DC, United States, Katherine Heckman, US Department of Agriculture, Livermore, CA, United States, Craig Rasmussen, University of Arizona, Tucson, AZ, United States, Jennifer W Harden, USGS California Water Science Center Menlo Park, Menlo Park, CA, United States, Mark Johnson, US EPA, National Health and Environmental Effects Research Laboratory, Corvallis, OR, United States and Christopher Swanston, USDA Forest Service, Houghton, MI, United States