B052:
Of minerals and microbes: Models and experiments investigating the vulnerability of soil carbon





Session ID#: 25762

Session Description:
Soil organic carbon (SOC) is the largest actively cycling component of terrestrial carbon. The current size and future changes to this land C sink are becoming important to climate-change-mitigation policy makers. Perturbations associated with global change (e.g., warming, drought, fertilization) may cause linear, non-linear, or threshold changes in soil C stock, and are conceptualized and modeled in a variety of ways. Within the past decade, scientists have postulated many theories describing the biological, chemical, and physical interactions that control SOC pools and fluxes. These include the persistence of soil organic matter as an ecosystem property, MEMS (microbial efficiency matrix stabilization), the “onion” layering model, etc. In this session, we focus on how these concepts are being applied to and tested using models and experiments. We need to understand and accurately represent biological, chemical, and physical mechanisms in order to predict the vulnerability of soil C to global change.
Primary Convener:  Caitlin Hicks Pries, Lawrence Berkeley National Laboratory, Berkeley, CA, United States
Conveners:  Rose Z Abramoff, Lawrence Berkeley National Laboratory, Berkeley, CA, United States and Katerina Georgiou, University of California Berkeley, Berkeley, CA, United States

Cross-Listed:
  • GC - Global Environmental Change
Index Terms:

Abstracts Submitted to this Session:

Racheal Upton1, Elizabeth Bach2 and Kirsten S. Hofmockel1, (1)Iowa State University, Ames, IA, United States, (2)Colorado State University, Fort Collins, CO, United States
M Francesca Cotrufo, Colorado State University Fort Collins, Fort Collins, CO, United States
Maegen Simmonds1,2, E. Marie Muehe2 and Scott E Fendorf3, (1)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (2)Stanford University, Stanford, CA, United States, (3)Stanford University, Earth System Sciences, Stanford, CA, United States
Rose Z Abramoff1, Margaret S Torn2, Katerina Georgiou3, Jinyun Tang1 and William Riley1, (1)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (2)Berkeley Lab/UC Berkeley, Berkeley, CA, United States, (3)University of California Berkeley, Berkeley, CA, United States
Jennifer Soong1, Erik Verbruggen2, Josep Peñuelas3, Oriol Grau4 and Ivan A. Janssens1, (1)University of Antwerp, Department of Biology, Antwerp, Belgium, (2)University of Antwerp, Biology, Antwerp, Belgium, (3)CREAF, Cerdanyola del Valles, Catalonia, Spain, (4)Center for ecological research and forestry applications (CREAF), Bellaterra, Spain
Megan Foley, Villanova Universirty, Villanova, MA, United States, Benjamin L Turner, Smithsonian Tropical Res Inst, Ancon, Panama and Andrew Nottingham, Smithsonian Tropical Research Institute, Panama City, Panama
Yang Song1, Qiuming Yao2, Gangsheng Wang1, Xiaojuan Yang1 and Melanie A Mayes1, (1)Oak Ridge National Lab, Climate Change Science Institute & Environmental Sciences Division, Oak Ridge, TN, United States, (2)Oak Ridge National Lab, Computer Science and Mathematics Division, Oak Ridge, TN, United States
Brianna K Finley1,2, Egbert Schwartz2, Benjamin Koch2, Paul Dijkstra2 and Bruce A Hungate2, (1)Northern Arizona University, Department of Biological Sciences, Flagstaff, AZ, United States, (2)Center for Ecosystem Science and Society, Flagstaff, AZ, United States
Kirsten S. Hofmockel, Malak Tfailly, Stephen Callister, Lisa Bramer and Allison Thompson, Pacific Northwest National Laboratory, Richland, WA, United States
Natasja van Gestel, Texas Tech University, Lubbock, TX, United States, Zheng Shi, University of Oklahoma Norman Campus, Norman, OK, United States, Kees Jan van Groenigen, University of Exeter, Exeter, United Kingdom, Craig W Osenberg, University of Georgia, School of Ecology, Athens, GA, GA, United States, Louise C Andresen, University of Gothenburg, Gothenburg, Sweden, Jeffrey S. Dukes, Purdue University, West Lafayette, IN, United States, Mark Joseph Hovenden, University of Tasmania, Hobart, TAS, Australia, Anders Michelsen, Center For Permafrost (CENPERM), Department of Geosciences and Nature Management, University of Copenhagen, Copenhagen, Denmark, Elise Pendall, Western Sydney University, Hawkesbury Institute for the Environment, Richmond, Australia, Peter Reich, Western Sydney University, Sydney, Australia; University of Minnesota, St. Paul, MN, United States, Edward Schuur, Northern Arizona University, Center for Ecosystem Science and Society (ECOSS), Flagstaff, AZ, United States and Bruce A Hungate, Center for Ecosystem Science and Society, Flagstaff, AZ, United States
Elizabeth L Howard, Joost L M Van Haren and Katerina Dontsova, University of Arizona, Biosphere 2, Tucson, AZ, United States
Emily Kyker-Snowman1, William R Wieder2 and Stuart Grandy1, (1)University of New Hampshire, Durham, NH, United States, (2)National Center for Atmospheric Research, Boulder, CO, United States
Wenfang Xu, University of Chinese Academy of Sciences, State Key Laboratory of Cryospheric Sciences, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Beijing, China and Wenping Yuan, University of Chinese Academy of Sciences, State Key Laboratory of Cryospheric Sciences, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, China
Katerina Georgiou1, Rose Z Abramoff2, William J Riley2 and Margaret S Torn3, (1)University of California Berkeley, Berkeley, CA, United States, (2)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (3)Berkeley Lab/UC Berkeley, Berkeley, CA, United States
Kenneth Smith, Utah State University, Logan, UT, United States and Bonnie G Waring, Utah State University, Biology, Logan, UT, United States

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