97th ESA Annual Meeting (August 5 -- 10, 2012)

8:00 AM

COS 177-1

Have we greatly overestimated nitrogen (N) inputs via biological N fixation in tropical forests?
Cory C. Cleveland, University of Montana; Sasha C. Reed, U.S. Geological Survey; Benjamin Z. Houlton, University of California, Davis

8:20 AM

COS 177-2

Ecotypic variation in a dominant prairie grass affects belowground biomass and ecosystem processes
Meredith L. Mendola, Southern Illinois University; Sara G. Baer, Southern Illinois University Carbondale; Loretta Johnson, Kansas State University

8:40 AM

COS 177-3

Regional and national significance of biological nitrogen fixation by crops in the United States
Daniel J. Sobota, National Research Council Postdoctoral Fellow; Jana E. Compton, US EPA, NHEERL, Western Ecology Division; John A. Harrison, Washington State University Vancouver

9:00 AM

COS 177-4

Small automated sensor of plant flowering and vegetative bud break
Heather E. Lintz, Oregon Climate Change Research Institute; Anton Kruger, University of Iowa; Devin Wagner, University of Iowa; Ian Tenney, University of Iowa

9:20 AM

COS 177-5

A test of local adaptation to soil microbial communities in tallgrass prairie plant assemblages
Rachel K. Goad, Southern Illinois University Carbondale; Sara G. Baer, Southern Illinois University Carbondale; Brian Klubek, Southern Illinois University; David J. Gibson, Southern Illinois University Carbondale

9:40 AM

COS 177-

Break

9:50 AM Cancelled

COS 177-6

Testing simple new conductance models that are derived from a process model and can be parameterised by gas exchange
Thomas N. Buckley, University of Sydney; Tarryn L. Turnbull, University of Sydney; Mark A. Adams, University of Sydney

10:10 AM

COS 177-7

Regional and global controls and potential significance of dissolved silica retention in lakes and reservoirs
John A. Harrison, Washington State University Vancouver; Patrick Frings, Lund University; Arthur Beusen, Netherlands Environmental Assessment Agency; Daniel Conley, Lund University; Michelle McCrackin, Washington State University

10:30 AM

COS 177-8

Fine root lifespan and turnover at ecosystem and landscape scales: Sensitivity of four ecological models and new strategies for model incorporation
M. Luke McCormack, University of Minnesota; Elizabeth A. Crisfield, The Pennsylvania State University; Brett Raczka, The Pennsylvania State University; Seth G. Pritchard, College of Charleston; David M. Eissenstat, Pennsylvania State University; Erica A.H. Smithwick, The Pennsylvania State University

10:50 AM

COS 177-9

Stem respiration and its linkage with soil respiration
Jianwu Tang, Marine Biological Laboratory; Timothy Savas, Marine Biological Laboratory

11:10 AM

COS 177-10

Understanding human withdrawals through tap water stable isotope comparison with meteoric water isoscapes
Jason West, Texas A&M University; Darrin Moore, Texas A&M University; Ayumi Hyodo, Texas A&M University; Gabriel Bowen, University of Utah; Chris Miller, Purdue University; Tonglin Zhang, Purdue University; Lan Zhao, Purdue University

COS 177 - Biogeochemistry: Scaling Processes From Genes To Ecosystems