94th ESA Annual Meeting (August 2 -- 7, 2009)
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COS 67 - Biogeochemistry: Biogeo Patterns Along Environmental Gradients II

Wednesday, August 5, 2009: 1:30 PM-5:00 PM
Pecos, Albuquerque Convention Center
Presider:
Rebecca Ostertag
1:30 PM
COS 67-1
Microbial colonization in recently exposed glacial forelands of the Antarctic Peninsula
Sarah L. Strauss, Arizona State University; Ferran Garcia-Pichel, Arizona State University; Thomas A. Day, Arizona State University
1:50 PM
COS 67-2
Why does soil fertility differ between Costa Rica and Venezuela?  Preliminary data from two distinct geomorphic provinces
Stephen Porder, Brown University; Joaquin Chaves, Brown University; George E. Hilley, Stanford University; Noemi Chacon, Instituto Venezolano de Investigaciones Científicas; Timothy Huth, Brown University
2:10 PM
COS 67-3
Decomposition of dissolved organic carbon across a hillslope chronosequence in the Kuparuk River region, Alaska
Kyle A. Whittinghill, University of Michigan; Jacques C. Finlay, University of Minnesota; Sarah E. Hobbie, University of Minnesota
2:30 PM
COS 67-4
Plant nitrogen nutrition as indicated by ash alkalinity: Agricultural crops vs. native plants
Stephen K. Hamilton, Michigan State University; Caixan Tang, La Trobe University; David B. Weed, Michigan State University; G. Philip Robertson, Michigan State University
2:50 PM
COS 67-5
Foliar phosphorus accumulation is related to leaf traits in a Hawaiian tropical montane forest
Rebecca Ostertag, University of Hawaii at Hilo
3:10 PM
COS 67-
Break
3:20 PM
COS 67-6
Limitation of primary productivity by N and P across 100 grassland soils
Joseph M. Craine, Kansas State University
3:40 PM
COS 67-7
Nitrogen isotope patterns across a wide soil N gradient in coastal Oregon conifer forests: Implications for legacy effects of N-fixing red alder
Steven Perakis, US Geological Survey; Emily R. Sinkhorn, Oregon State University; Jana Compton, US EPA, Office of Research and Development
4:00 PM
COS 67-8
Reactive nitrogen retention and flushing along a soil texture gradient
Michael Castellano, Iowa State University; Jason P. Kaye, Pennsylvania State University; H. Lin, Penn State University; JP Schmidt, USDA ARS
4:20 PM
COS 67-9
Effects of summertime fog and winter rain on soil carbon and nitrogen dynamics in a bishop pine forest
Sean M. Schaeffer, University of Tennessee; Mariah S. Carbone, University of California; Claudia M. Boot, Colorado State University; Joshua P. Schimel, University of California, Santa Barbara; Christopher Still, Oregon State University
4:40 PM
COS 67-10
Evapotranspiration partitioning as a function of woody plant canopy cover: Experimental manipulations within the Biosphere 2 glasshouse facility
Juan Camilo Villegas, University of Arizona / Universidad de Antioquia; Greg A. Barron-Gafford, University of Arizona; Henry D. Adams, Los Alamos National Laboratory; Maite Guardiola, University of Arizona; Evan Sommer, University of Arizona; Ashley L. Wiede, University of Arizona; Isabel C. Rivera, University of Arizona; David D. Breshears, The University of Arizona; Chris B. Zou, Oklahoma State University; Travis E. Huxman, University of California, Irvine
See more of: Contributed Oral Papers
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