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

8:00 AM

COS 74-1

Root carbon inputs to the rhizosphere stimulate extracellular enzyme activity and increase nitrogen availability in temperate forest soils
Edward R. Brzostek, Indiana University; Danilo Dragoni, Indiana University; Richard P. Phillips, Indiana University

8:20 AM

COS 74-2

Livestock grazing on the Colorado Plateau: Impacts on above and belowground carbon stocks
Tamara J. Zelikova, University of Wyoming; Nichole N. Barger, University of Colorado Boulder; Sasha C. Reed, U.S. Geological Survey

8:40 AM

COS 74-3

Effects of aboveground biomass and litter on biogeochemical cycling in stands of the invasive wetland plant, Phragmites australis
Jason P. Martina, University of Michigan; Stephen K. Hamilton, Michigan State University; Merritt R. Turetsky, University of Guelph

9:00 AM

COS 74-4

From photosynthesis to soil respiration: Carbon tracing in a temperate grassland under simulated summer drought
Susanne A. Burri, Institute of Agricultural Sciences, ETH Zurich; Patrick Sturm, Empa; Thomas Baur, Institute of Agricultural Sciences, ETH Zurich; Alexander Knohl, Bioclimatology group, Georg-August-University Göttingen; Nina Buchmann, Institute of Agricultural Science, ETH Zurich

9:20 AM

COS 74-5

A robust method confirming organic nitrogen uptake by mycorrhizal roots in a temperate forest
Matthew A. Vadeboncoeur, University of New Hampshire; Andrew P. Ouimette, University of New Hampshire; Erik A. Hobbie, University of New Hampshire

9:40 AM

COS 74-

Break

9:50 AM

COS 74-6

Early growth of subtropical tree species affect soil microbial communities individually and along a diversity gradient
Jessica LM Gutknecht, Helmoltz- Centre for Environmental Research- UFZ; Christina Lachmann, Helmoltz- Centre for Environmental Research- UFZ; Zhiqin Pei, Helmoltz- Centre for Environmental Research- UFZ

10:10 AM

COS 74-7

Moss nutrient plasticity in a polar desert: insights from a hot desert comparison
Becky A. Ball, Arizona State University at the West Campus; Ross A. Virginia, Dartmouth College

10:30 AM Cancelled

COS 74-8

Mass loss dynamics during decomposition of leaf litter along the Ecological Staircase
Tiff L. van Huysen, University of California-Davis; Benjamin Z. Houlton, University of California, Davis

10:50 AM

COS 74-9

Rapid accumulation of soil carbon and nitrogen in restored prairie is not predicted using a chronosequence approach
Daniel L. Hernandez, Carleton College; Ellen Esch, University of California - San Diego; Charlotte Alster, Colorado State University; Mark J. McKone, Carleton College; Phillip Camill, Bowdoin College

11:10 AM

COS 74-10

Gross nitrogen transformations and ¹⁵N assimilation after arid land fertilization at the tree scale
Daniel L. Schellenberg, University of California Davis; Jennifer M. Jenkins, University of California Davis; Carolina A. Almanza, University of California Davis; Peggie Wong, University of California Davis; Lauren N. Lawless, University of California Davis; Cassy A. Buckingham, University of California Davis; Stuart A. Mansfield, University of California Davis; Christine M. Stockert, University of California Davis; Maria M. Alsina, University of California, Davis; David R. Smart, University of California Davis

COS 74 - Biogeochemistry: Aboveground-Belowground Interactions I