Session: Biogeochemistry: New Paradigms In Biogeochem Cycling I (2017 ESA Annual Meeting (August 6 -- 11))

1:30 PM

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, INRA/IRD/CIRAD/Montpellier SupAgro; 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 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, Binghamton University (SUNY); Ben Eisenkop, State University of New York - Binghamton; Anne B. Clark, State University of New York - Binghamton; Peter M. Groffman, Cary Institute of Ecosystem Studies

2:50 PM

COS 100-5

Nutrient feedbacks to soil heterotrophic nitrogen fixation in forests
Steven Perakis, U.S. 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 (widthdrawn)
Noah W. Sokol, Yale University; Mark A. Bradford, Yale University

COS 100 - Biogeochemistry: New Paradigms In Biogeochem Cycling I