COS 21
Biogeochemistry: Aboveground-Belowground Interactions I

Tuesday, August 11, 2015: 8:00 AM-11:30 AM
319, Baltimore Convention Center
8:00 AM
COS 21-1
 How does climate change alter carbon cycling in temperate European grasslands?
Andrew J Cole, Lancaster University; Richard D. Bardgett, University of Manchester; Robert I Griffiths, Centre for Ecology and Hydrology; Jeanette Whitaker, Centre for Ecology and Hydrology; Nick Ostle, Lancaster University
8:20 AM
COS 21-2
 Interactions among plants, symbiotic N-fixing bacteria, and arbuscular mycorrhizal fungi in tropical rain forest: Results from a theoretical model
Alison R. Marklein, University of Montana; Megan K. Nasto, University of Montana; Benjamin W. Sullivan, University of Nevada, Reno; Cory C. Cleveland, University of Montana
8:40 AM
COS 21-3
 Changing interactions between soil properties, tree community composition, and soil fungal communities across succession in secondary tropical forests
Andrew W Quebbeman, Columbia University; Krista L. McGuire, Barnard College, Columbia University; Benedicte Bachelot, Duke University; Jess K. Zimmerman, University of Puerto Rico - Rio Piedras; Maria Uriarte, Columbia University
9:00 AM
COS 21-4
 Differential influence of plant litter quality on the molecular identity of mineral-associated soil carbon pools in invaded ecosystems
Mioko Tamura, Clemson University; Vidya Suseela, Clemson University; Myrna Simpson, University of Toronto; Peter Alpert, University of Massachusetts; Nishanth Tharayil, Clemson University
9:20 AM Cancelled
COS 21-5
 Decomposition and vegetation dynamics in a sand prairie encroached on by forest
J. Megan Steinweg, University of Wisconsin-Baraboo/Sauk County
9:40 AM
COS 21-
 Break
9:50 AM
COS 21-6
 Biological nitrogen fixation by biocrusts and contribution to N flows in a grazed grassland ecosystem in Northern Mexico
David R. Smart, University of California; Elisabeth Huber-Sanwald, Instituto Potosino de Investigacion Cientifica y Tecnologica (IPICYT); Tulio Arredondo Moreno, Instituto Potosino de Investigación Científica y Tecnológica A. C. (IPICYT); Jayne Belnap, U.S. Geological Survey
10:10 AM
COS 21-7
 Exponential decay of groundwater nitrate after application of post-agricultural conservation practices
Dana E. Bunnell-Young, University of Maryland Center for Environmental Science; Thomas R. Fisher, Horn Point Laboratory, University of Maryland Center for Environmental Science; Tim Rosen, Midshore Riverkeeper Conservancy; Tucker Moorshead, EarthData Inc.; Drew Koslow, Midshore Riverkeeper Conservancy
10:30 AM
COS 21-8
 Influence of grazing on soil nutrient supply measured using PRS probes in riverbank of Lower Little Bow River
Eric Bremer, Western Ag Innovations; Lindsey A. Andronak, Western Ag Innovations; Jim Miller, Agriculture and Agri-Food Canada; Anthony Curtis, Agriculture and Agri-Food Canada
10:50 AM
COS 21-9
 Effects of species and functional diversity of crop rotations on soil organic matter: A meta-analysis
Alison E. King, University of Michigan; Jennifer Blesh, University of Michigan
11:10 AM
COS 21-10
 Root exudates and senescence contribute to nitrogen cycling in the rhizosphere of cheatgrass and crested wheatgrass
Kendalynn A. Morris, Utah State University; John M. Stark, Utah State University; Bruce Bugbee, Utah State University; Jeanette M. Norton, Utah State University
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