95th ESA Annual Meeting (August 1 -- 6, 2010)

COS 76 - Biogeochemistry: New Paradigms in Biogeochem Cycling

Thursday, August 5, 2010: 8:00 AM-11:30 AM
406, David L Lawrence Convention Center
Presider:
Jack Brookshire
8:00 AM
What drives latitudinal gradients in terrestrial ecosystem stoichiometry?
Stephen Porder, Brown University; George E. Hilley, Stanford University
8:20 AM
Soil respiration under snowpack at Harvard Forest in Massachusetts
Jianwu Tang, Marine Biological Laboratory
8:40 AM
Stoichiometric constraints on nutrient retention in wetland ecosystems
Marcelo Ardón, Duke University; Emily Bernhardt, Duke University
9:00 AM
Land use legacy effects in lakes: Correlations, mechanisms, and space-for-time substitutions
Sherry Martin, Michigan State University; Daniel Hayes, Michigan State University; Dave Hyndman, Michigan State University; Anthony Kendall, Michigan State University; Daniel Rutledge, Landcare Research - Manaaki Whenua
9:20 AM
Mechanism of molybdenum and phosphorus limitation on asymbiotic nitrogen fixation in tropical forest soils
Nina Wurzburger, University of Georgia; Jean Phillipe Bellenger, Princeton University; Anne Kraepiel, Princeton University; Lars O. Hedin, Princeton University
9:40 AM
9:50 AM
Catchment-scale hydrologic response to a soil calcium amendment
Mark B. Green, Plymouth State University; Amey S. Bailey, U.S. Forest Service; John Campbell, United States Department of Agriculture Forest Service
10:10 AM
Why is nutrient co-limitation not more common in land ecosystems (or perhaps it is)?
Lars O. Hedin, Princeton University; Sarah A. Batterman, Princeton University; Nina Wurzburger, University of Georgia; Duncan N. L. Menge, Princeton University; Sonja G. Keel, University of Bern; A. Carla Staver, Princeton University
10:30 AM
A nitrogen mass balance for California
Daniel Liptzin, University of Colorado, Boulder; Randy A. Dahlgren, University of California, Davis
10:50 AM
A theoretical framework for linking extracellular enzymes to rates of SOM decomposition and CO2 production
Ford Ballantyne IV, University of Kansas; Sharon A. Billings, University of Kansas
11:10 AM
Biogeochemical imprint of a monodominant neo-tropical forest
Jack Brookshire, Montana State University; Steve A. Thomas, University of Nebraska-Lincoln