PS 47
Biogeochemistry: Aboveground-Belowground Interactions

Thursday, August 14, 2014: 4:30 PM-6:30 PM
Exhibit Hall, Sacramento Convention Center
PS 47-29
Root uptake and transport of soil dissolved CO2 in tree seedlings
Mary Anne McGuire, University of Georgia; Thomas Anné, Ghent University; Doug P. Aubrey, Georgia Southern University; Robert Teskey, University of Georgia; Kathy Steppe, Ghent University
PS 47-30
Fine roots are the dominant source of recalcitrant plant litter in northern hardwood forests
Mengxue Xia, University of Idaho; Kurt S. Pregitzer, University of Idaho; Alan Talhelm, University of Idaho
PS 47-31
Linkages between leaf litter traits, leaf decomposition, and soil methanogenesis in a forested wetland soil
Joseph B. Yavitt, Cornell University; Alexis K. Heinz, Cornell University; Elizabeth M. Corteselli, Cornell University
PS 47-32
Soil carbon dynamics and carbon sequestration potential of a wetness-prone perennial grass bioenergy field in northeastern United States
Srabani Das, Cornell University; Brian K. Richards, Cornell University; Michael F. Walter, Cornell University
PS 47-33
Belowground carbon cycling after six years of prairie heating and CO2 enrichment: Decomposition of C3 and C4 grass roots and soil organic matter
Laura C. Nelson, University of Wyoming; Swastika Raut, University of Wyoming; Tamara J. Zelikova, University of Wyoming; David Williams, University of Wyoming; Elise Pendall, University of Wyoming
PS 47-34
Whole-watershed nitrogen fertilization effects on tree nitrate reductase activity and stand nitrogen demand
Mark B. Burnham, West Virginia University; Christopher A. Walter, West Virginia University; Lillian Z. Hill, West Virginia University; Mary Beth Adams, USDA Forest Service; William T. Peterjohn, West Virginia University
PS 47-35
Separation of heterotrophic and autotrophic contributions to soil CO2 efflux under simulated dormancy conditions
Daniel Beverly, University of Northern Colorado; Scott Franklin, University of Northern Colorado
PS 47-36
Mycorrhizal fungi as decomposers: Implications for carbon dynamics
Courtney Patterson, University of Tennessee; Jessica A.M. Moore, The University of Tennessee; Sneha A. Patel, University of Tennessee; Aimee T. Classen, University of Tennessee, Knoxville
PS 47-37
“Oxygen Probe”: Using planar optodes to quantitatively measure oxygen concentrations and to describe oxygen dynamics in salt marsh sediments over time
Elizabeth Forbes, Marine Biological Laboratory; Morten Larsen, University of Southern Denmark; Francois Thomas, CNRS- Station Biologique de Roscoff; Suzanne M. Thomas, Marine Biological Laboratory; Zoe Cardon, Marine Biological Laboratory
PS 47-38
How do prescribed burns influence nitrogen availability and cycling rates in a low-nutrient system?
Cari D. Ficken, Duke University; Justin P. Wright, Duke University
PS 47-39
Soil greenhouse gas emissions in contrasting strawberry production systems in the Central Coast of California
Stefanie R. Kortman, California State University Monterey Bay; Marc Los Huertos, California State University Monterey Bay
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