Chairs: Susan E Crow, University of Hawaiʻi at Mānoa, Natural Resources and Environmental Management, Honolulu, United States and Kate Lajtha, Oregon State University, Corvallis, OR, United States
Primary Convener: 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 Liaison: 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 (6450)
Xiao Jun Allen Liu1,2, Jinran Sun2, Rebecca L Mau2, Brianna K. Finley1,2, Zacchaeus 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 (28322)
Lisa K Tiemann, Michigan State University, Great Lakes Bioenergy Research Center, East Lansing, NH, United States; Michigan State University, Plant, Soil and Microbial Sciences, East Lansing, MI, United States, Stuart Grandy, University of New Hampshire, Department of Natural Resources and the Environment, Durham, United States and Joel Hartter, University of Colorado at Boulder, Environmental Studies Program, Boulder, CO, United States
Litter Inputs and Soil Aggregation in Midwestern Biofuel Crops (8846)
Ilsa B Kantola1, Michael D Masters2, Eoghan M Smyth2 and Evan H DeLucia3,4, (1)University of Illinois at Urbana Champaign, Institute for Sustainability, Energy, and Environment, Urbana, IL, United States, (2)University of Illinois at Urbana Champaign, Energy Biosciences Institute, Urbana, IL, United States, (3)University of Illinois at Urbana-Champaign, Institute for Sustainability, Energy, and Environment, Center for Advanced Bioenergy and Bioproducts Innovation; Carl R. Woese Institute for Genomic Biology; Department of Plant Biology, Urbana, IL, United States, (4)University of Illinois Urbana-Champaign, Urbana, United States
Increase in Recalcitrant Carbon: a Positive Balance between Stabilization and Priming Effect (13891)
Junyi Liang1, Changfu Huo2, Zheng Shi3, Jianyang Xia4 and Yiqi Luo4, (1)College of Grassland Science and Technology, China Agricultural University, Beijing, China, (2)Institute of Applied Ecology, Chinese Academy of Sciences, Shengyang, China, (3)University of Oklahoma, Institute for Environmental Genomics, Department of Microbiology and Plant Biology, Norman, United States, (4)University of Oklahoma Norman Campus, Norman, OK, United States
Temperature and Microbial Activity Effects on Soil Carbon Stabilization (11643)
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 (19184)
Katherine A Heckman1, Christina Ramon2, Peter K Weber2, Margaret S Torn3, Jennifer Pett-Ridge4 and Peter S Nico5, (1)USDA Forest Service, Vallejo, CA, United States, (2)Lawrence Livermore National Laboratory, Physical and Life Sciences Directorate, Livermore, United States, (3)Berkeley Lab/UC Berkeley, Berkeley, United States, (4)Lawrence Livermore National Laboratory, Livermore, CA, United States, (5)Lawrence Berkeley National Laboratory, Earth and Environmental Sciences Area, Berkeley, United States
Foundations of Soil Organic Matter Stabilization: Tracing the Influence of Mineralogy on the Initial Sorption of Root-Derived Carbon (26354)
Rachel Neurath, University of California Berkeley, Berkeley, CA, United States, Peter S Nico, Lawrence Berkeley National Laboratory, Berkeley, CA, United States, Jennifer Pett-Ridge, Lawrence Livermore National Laboratory, Livermore, CA, United States and Mary K Firestone, University of California Berkeley, Berkeley, United States
The role of tree species and soil moisture in soil organic matter stabilization and destabilization (27007)
Jeff A Hatten1, Janet Dewey2, Scott Roberts3, Karen McNeal4 and Andrew Shaman3, (1)Oregon State University, Corvallis, OR, United States, (2)University of Wyoming, Department of Geology and Geophysics, Laramie, United States, (3)Mississippi State University, Mississippi State, MS, United States, (4)North Carolina State University at Raleigh, Raleigh, NC, United States
Disentangling controls on mineral-stabilized soil organic matter using a slurry incubation (17209)
Jocelyn Marie Lavallee1, M Francesca Cotrufo1, Eldor A Paul2 and Richard T Conant3, (1)Colorado State University, Fort Collins, United States, (2)Colorado State University, Natural Resource Ecology Laboratory, Fort Collins, CO, United States, (3)Colorado State University, Natural Resource Ecology Lab, Fort Collins, CO, United States
Evolution of Mineral-Organic Matter Associations in Sediments: From (Bio)mineralization to Burial (25960)
Emily R Estes1, Dennis Nordlund2, Scott D Wankel3 and Colleen Hansel3, (1)Woods Hole Oceanographic Institution, Woods Hole, MA, United States, (2)Stanford Synchrotron Radiation Lightsource, Menlo Park, CA, United States, (3)Woods Hole Oceanographic Institution, Marine Chemistry & Geochemistry, Woods Hole, United States
Assessing the Influence of Mineral Surface Chemistry on Soil Organic Matter Stability in the US in Response to Climate Change (26481)
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, United States, Jennifer W 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 Chris Swanston, USDA Forest Service, Northern Institute of Applied Climate Science, Houghton, MI, United States