COS 40
Biogeochemistry: Aboveground-Belowground Interactions II

Tuesday, August 11, 2015: 1:30 PM-5:00 PM
303, Baltimore Convention Center
1:30 PM
 A new vegetation chamber to investigate the role of macrophytes in the CH4 and N2O gas fluxes from constructed wetland in Phoenix, AZ
Jorge Ramos Jr., Arizona State University; Patricia Susanto, Arizona State University; Daniel L. Childers, Arizona State University
1:50 PM
 Aboveground-belowground linkages and soil biodiversity across a latitudinal gradient in Antarctica
Becky A. Ball, Arizona State University at the West Campus; Uffe N. Nielsen, University of Western Sydney; David J. Van Horn, University of New Mexico; Peter Convey, British Antarctic Survey
2:10 PM
 Soil fungi benefit both plants and biocrusts in arid lands: a test of the fungal loop hypothesis
Eva Dettweiler-Robinson, University of New Mexico; Jennifer A. Rudgers, University of New Mexico; Robert Sinsabaugh, University of New Mexico
2:30 PM
 Biogeochemical drivers of Neotropical¬†ant diversity and abundance
Jelena Bujan, Department of Biology, University of Oklahoma; S. Joseph Wright, Smithsonian Tropical Research Institute; Michael Kaspari, University of Oklahoma
2:50 PM
 Dominant mycorrhizal association mediates the impact of nitrogen deposition on ecosystem processes
Meghan G. Midgley, Indiana University; Richard P. Phillips, Indiana University
3:10 PM
3:20 PM
 Differential plant responses to pulsed nitrogen additions
Cari D. Ficken, Duke University; Justin P. Wright, Duke University
3:40 PM
 Influence of water table fluctuations on subsurface methane dynamics and surface fluxes in seasonally flooded subtropical pastures
Samuel D. Chamberlain, Cornell University; M. Todd Walter, Cornell University; Peter M. Groffman, Cary Institute of Ecosystem Studies; Jed P. Sparks, Cornell University
4:00 PM
 Confronting models with measurements: An optimal allocation model accurately predicts empirical measurements of the rhizosphere marketplace for nitrogen and phosphorus
Edward R. Brzostek, West Virginia University; Joshua B. Fisher, California Institute of Technology; Richard P. Phillips, Indiana University
4:20 PM
 Garlic mustard invasion increases fungal richness and restructures fungal communities
Mark A. Anthony, University of New Hampshire; Serita D. Frey, University of New Hampshire; Kristina Stinson, University of Massachusetts
4:40 PM
 The N goes up, the N goes down: The effect of an arctic sedge on transport of soil nitrogen
Sadie L. Iverson, University of California, Santa Barbara; Joshua P. Schimel, University of California, Santa Barbara
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