COS 100 - Biogeochemistry: New Paradigms In Biogeochem Cycling I

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Wednesday, August 9, 2017: 1:30 PM-5:00 PM
D132, Oregon Convention Center
1:30 PM
COS 100-1
 What controls moss-associated nitrogen fixation in the Subarctic?
Kathrin Rousk, University of Copenhagen; Anders Michelsen, University of Copenhagen
1:50 PM
COS 100-2
 A theoretical study of facilitative succession and ecosystem development by nitrogen fixers
Thomas Koffel, Michigan State University; Simon Boudsocq, INRA/IRD/CIRAD/Montpellier SupAgro; Nicolas Loeuille, UPMC; Tanguy Daufresne, INRA/IRD/CIRAD/Montpellier SupAgro
2:10 PM
COS 100-3
 Tropical tree species traits drive soil cation dynamics via effects on pH: A proposed conceptual framework
Ann E. Russell, Iowa State University; Steven J. Hall, Iowa State University
2:30 PM
COS 100-4
 Fluxes of N2O and N2 gas from urban crow-roost sites and non-roost sites
Weixing Zhu, State University of New York - Binghamton; Ben Eisenkop, State University of New York - Binghamton; Anne B. Clark, State University of New York - Binghamton; Peter M. Groffman, CUNY Advanced Science Research Center
2:50 PM
COS 100-5
 Nutrient feedbacks to soil heterotrophic nitrogen fixation in forests
Steven Perakis, US Geological Survey; Julie Pett-Ridge, Oregon State University; Christina Catricala, US Geological Survey
3:10 PM
COS 100-
 Break
3:20 PM
COS 100-6
 Soil minerals in the rhizosphere: A hidden source of nitrogen and mediator of plant-microbe competition
A. Stuart Grandy, University of New Hampshire; Andrea Jilling, University of New Hampshire; Marco Keiluweit, University of Massachusetts-Amherst
3:40 PM
COS 100-7
 The economics of root responses to elevated CO2 and plant-plant competition
Mingzhen Lu, Princeton Univiersity; Lars O. Hedin, Princeton University
4:00 PM
COS 100-8
 Controls over the efficiency of methane production in tropical and northern wetland soils
Scott D. Bridgham, University of Oregon; Anya Hopple, University of Oregon; Kyle M. Meyer, University of Oregon; Brendan J.M. Bohannan, University of Oregon; Jason K. Keller, Chapman University; Rachel M. Wilson, Florida State University; Jeffery P. Chanton, Florida State University; Malak M. Tfaily, Pacific Northwest National Laboratory
4:20 PM
COS 100-9
 Modeling the role of mycorrhizae in C and N cycle responses to elevated CO2 at ecosystem and global scales
Benjamin Sulman, Princeton University; Elena Shevliakova, NOAA Geophysical Fluid Dynamics Laboratory; Sergey Malyshev, Princeton University
4:40 PM Cancelled
COS 100-10
 Testing mechanistic differences between above- versus below-ground plant carbon pathways to the soil
Noah W. Sokol, Yale University; Mark A. Bradford, Yale University
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