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

PS 29-45

Using qPCR to correlate the abundance of diazotrophic soil bacteria with the abundance of understory plants in a Douglas-fir (Pseudotsuga menziesii) forest on Vancouver Island
Richard S. Winder, Natural Resources Canada

PS 29-46

Deuterium tracer injection: A precise technique for comparing water use patterns in an invaded plant community
Pascale Warren, Utah State University; Andrew Kulmatiski, University of Alaska Anchorage; Karen H. Beard, Utah State University

PS 29-47

Importance of soil fungi in the nitrogen cycle of arid ecosystems
Yevgeniy Marusenko, University of California, Irvine; David Huber, Idaho State University; Patrick Ortiz, Arizona State University; Sharon J. Hall, Arizona State University

PS 29-48

Effects of moderate snow addition on litter decomposition in arctic tundra
Jennie DeMarco, New Mexico State University; Michelle Mack, University of Florida; M. Syndonia Bret-Harte, University of Alaska Fairbanks

PS 29-49

Seasonal and spatial influences on soil properties, microbial composition and function in a mixed-mesophytic forest
Jared L. DeForest, Ohio University; Lindsay G. Scott, Ohio University

PS 29-50

Legume species effects on soil chemistry in unmanaged forests and plantations in Costa Rican dry tropics
Maria G. Gei, University of Minnesota; Jennifer S. Powers, University of Minnesota

PS 29-51

Exotic earthworm distribution, diversity, and isotopic content in sandy northern temperate forest soils: Implications for forest soil carbon dynamics
Jasmine Crumsey, University of Michigan; Knute Nadelhoffer, University of Michigan; Derek Ager, University of Michigan; Bryce Bredell, University of Michigan; Michael Grant, UM Biological Station (Pellston, MI)

PS 29-52

Influence of snow packs on soil biota and biogeochemical cycling in polar desert soils
A. E. Altrichter, Virginia Tech; K. M. Geyer, Virginia Tech; John E. Barrett, Virginia Polytechnic and State University; M. N. Gooseff, Pennsylvania State University; C. Takacs-Vesbach, University of New Mexico

PS 29-53

Estimating current and future fine root turnover rates at landscape scales
M. Luke McCormack, University of Minnesota; David Eissenstat, The Pennsylvania State University

PS 29-54

Sedimentation and erosion in planted and naturally colonizing created wetlands
Sara M. McCarthy, The Ohio State University

PS 29-55

Effects of annual and ephemeral plants on carbon, water and nutrient cycling in a riparian ecosystem and a sonoran desert upland
Anna P. Tyler, University of Arizona; Travis E. Huxman, University of California, Irvine; D. Lawrence Venable, University of Arizona

PS 29-56

Bacterial diversity across a soil organic carbon gradient determined by 454 tag sequencing
Zoe G. Cardon, Marine Biological Laboratory; Emelia DeForce, University of Massachusetts, Boston; Thomas Morris, University of Connecticut; Sheri Simmons, Marine Biological Laboratory

PS 29-57

Bacterial community composition of soils in created freshwater mitigation wetlands as affected by soil chemistry and site hydroconnectivity
Rita M. Peralta, George Mason University; Changwoo Ahn, George Mason University; Patrick M. Gillevet, George Mason University

PS 29-58

Carbon, nitrogen, and phosphorus composition of leaf-associated microbes in southern Appalachian streams
Erika B. Kratzer, Virginia Polytechnic Institute and State University; H. Maurice Valett, University of Montana; Jack R. Webster, Virginia Polytechnic Institute and State University; Beth M. Cheever, Trent University

PS 29 - Biogeochemistry: Linking Community Structure and Ecosystem Function