B34B:
Soil Carbon Dynamics: Interactions of Plants, Microbes, and Minerals II

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Session ID#: 15402

Session Description:
Dead above- and below-ground plant litter and rhizodeposition (e.g., exudates) from living roots are the main organic matter inputs into soil, connecting plant productivity, carbon allocation and community composition with SOM formation. Plant inputs differ in chemistry, structure and location across the soil profile, and their contributions to soil are affected by human and environmental impacts on plant communities. We invite contributions examining how soil environmental factors such as depth, mineralogy, texture, redox state, stoichiometry and soil microbes interact with plant communities to shape the decomposition trajectory and fate of different types of plant inputs to the soil. We encourage contributors to present cutting edge results at the interface between climatic and human induced changes to plant communities, carbon allocation and plant input chemistry with soil physio-chemical and biological controls on decomposition and soil biogeochemistry to advance our understanding of how plants influence soil C sequestration and SOM formation.
Primary Convener:  Benjamin N Sulman, Princeton University, Atmospheric and Oceanic Sciences, Princeton, NJ, United States
Conveners:  Benjamin N Sulman, Princeton University, Atmospheric and Oceanic Sciences, Princeton, NJ, United States, Maggie Mae Bowman, Pacific Northwest National Laboratory, Richland, WA, United States and Jennifer Soong, University of Antwerp, Department of Biology, Antwerp, Belgium
Chairs:  Benjamin N Sulman, Princeton University, Atmospheric and Oceanic Sciences, Princeton, NJ, United States, Jennifer Soong, University of Antwerp, Department of Biology, Antwerp, Belgium and Maggie Mae Bowman, Pacific Northwest National Laboratory, Richland, WA, United States
OSPA Liaison:  Jennifer Soong, University of Antwerp, Department of Biology, Antwerp, Belgium
Index Terms:

0414 Biogeochemical cycles, processes, and modeling [BIOGEOSCIENCES]
0428 Carbon cycling [BIOGEOSCIENCES]
0470 Nutrients and nutrient cycling [BIOGEOSCIENCES]
0486 Soils/pedology [BIOGEOSCIENCES]

Abstracts Submitted to this Session:

Microbial phosphorous mobilization strategies across a natural nutrient limitation gradient (194701)
Robert Walker1, Shi Wang2, Peter S Nico1, Patricia M Fox2, Ulas Karaoz3, Tamas Torok4, Eoin Brodie2, Romy Chakraborty5 and Zhao Hao2, (1)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (2)Lawrence Berkeley National Laboratory, Earth and Environmental Sciences Area, Berkeley, CA, United States, (3)Lawrence Berkeley National Laboratory, Molecular Ecology and Biogeochemistry, Berkeley, United States, (4)Lawrence Berkeley National Lab, Berkeley, CA, United States, (5)Lawrence Berkeley National Laboratory, Climate and Ecosystem Sciences Division, Berkeley, CA, United States
Changes in Soil Carbon Stocks and Fluxes in Response to Altered Above- and Belowground Vegetation Inputs (155107)
Sara Marañón-Jiménez1, Claudia Schuetze1, Matthias Cuntz1, Inmaculada García-Quirós1, Laura Dienstbach1, Marion Schrumpf2 and Corinna Rebmann1, (1)Helmholtz Centre for Environmental Research UFZ Leipzig, Leipzig, Germany, (2)Max Planck Institute for Biogeochemistry, Jena, Germany
Faster Turnover of New Soil Carbon Inputs under Increased Atmospheric CO2 (186235)
Kees Jan van Groenigen, University of Exeter, Exeter, United Kingdom, Craig W Osenberg, University of Georgia, School of Ecology, Athens, GA, GA, United States, Yolima Carrillo, University of Sydney, Eveleigh, Australia, Feike A Dijkstra, University of Sydney, Sydney, Australia, James Heath, University of Lancaster, Lancaster, United Kingdom, Ming Nie, University of Wyoming, Laramie, WY, United States, Elise Pendall, Western Sydney University, Hawkesbury Institute for the Environment, Penrith, NSW, Australia, Richard P Phillips, Indiana University Bloomington, Department of Biology, Bloomington, IN, United States and Bruce A Hungate, Northern Arizona University, Department of Biological Sciences, Flagstaff, AZ, United States
A trait-based framework for understanding how and why litter decay and resource stoichiometry promote biogeochemical syndromes in arbuscular- and ectomycorrhizal-dominated forests (Invited) (158568)
Richard P Phillips1, Edward R Brzostek2, Joshua B Fisher3, Benjamin N Sulman4, Meghan Midgley5, Matthew Craig6 and Adrienne Keller1, (1)Indiana University Bloomington, Department of Biology, Bloomington, IN, United States, (2)West Virginia University, Biology, Morgantown, WV, United States, (3)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (4)Princeton University, Atmospheric and Oceanic Sciences, Princeton, NJ, United States, (5)Indiana University, Bloomington, IN, United States, (6)Indiana University Bloomington, Department of Biology, Bloomington, United States
Plant Functional Traits Associated with Mycorrhizal Root Foraging in Arbuscular Mycorrhizal and Ectomycorrhizal Trees (141942)
David M Eissenstat, Pennsylvania State University Main Campus, Department of Ecosystem Science and Management, University Park, PA, United States, Weile Chen, Pennsylvania State University Main Campus, Intercollege Graduate Degree Program in Ecology, University Park, PA, United States, Lei Cheng, Zhejiang University, College of Life Sciences, Hangzhou, China, Bitao Liu, Chinese Academy of Sciences, Beijing, China, Roger T Koide, Brigham Young University, Biology, Provo, UT, United States and Dali Guo, Chinese Academy of Sciences, Institute of Geographic Sciences and Natural Resources Research, Beijing, China
Nitrogen Pollution Shifts Forest Mycorrhizal Associations at Continental Scale (149695)
Colin Averill1, Jennifer M Bhatnagar2 and Michael Dietze1, (1)Boston University, Boston, MA, United States, (2)Boston University, Department of Biology, Boston, MA, United States
Upscaling nitrogen-mycorrhizal effects to quantify CO2 fertilization. (Invited) (147025)
César Terrer, Lawrence Livermore National Laboratory, Livermore, CA, United States, Oskar Franklin, IIASA International Institute for Applied Systems Analysis, Ecosystem Services and Management Program, Laxenburg, Austria, Christina Kaiser, University of Vienna, Microbiology and Ecosystem Science, Vienna, Austria, Sara Vicca, University of Antwerp, Wilrijk, Belgium, Benjamin Stocker, Imperial College London, London, United Kingdom, Iain Colin Prentice, Macquarie University, Department of Biological Sciences, Sydney, Australia; Georgina Mace Centre for the Living Planet, Department of Life Sciences, Imperial College London, London, United Kingdom and Nadejda Soudzilovskaia, Hasselt Univeristy, Centre for Environmental Sciences, Hasselt, Belgium

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