Wednesday, August 5, 2009: 1:30 PM-5:00 PM
Pecos, Albuquerque Convention Center
COS 67 - Biogeochemistry: Biogeo Patterns Along Environmental Gradients II
1:30 PMCOS 67-1Microbial 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 PMCOS 67-2Why 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 PMCOS 67-3Decomposition of dissolved organic carbon across a hillslope chronosequence in the Kuparuk River region, Alaska
Kyle A. Whittinghill, University of Minnesota, Jacques C. Finlay, University of Minnesota, Sarah E. Hobbie, University of Minnesota
2:30 PMCOS 67-4Plant 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 PMCOS 67-5Foliar phosphorus accumulation is related to leaf traits in a Hawaiian tropical montane forest
Rebecca Ostertag, University of Hawaii
3:10 PM Break
3:20 PMCOS 67-6Limitation of primary productivity by N and P across 100 grassland soils
Joseph M. Craine, Kansas State University
3:40 PMCOS 67-7Nitrogen isotope patterns across a wide soil N gradient in coastal Oregon conifer forests: Implications for legacy effects of N-fixing red alder
Steven Perakis, USGS Forest and Rangeland Ecosystem Science Center, Emily R. Sinkhorn, USDA Natural Resources Conservation Service, Jana E. Compton, US EPA, NHEERL, Western Ecology Division
4:00 PMCOS 67-8Reactive nitrogen retention and flushing along a soil texture gradient
Michael Castellano, Penn State University, JP Kaye, Penn State University, H Lin, Penn State University, JP Schmidt, USDA ARS
4:20 PMCOS 67-9Effects of summertime fog and winter rain on soil carbon and nitrogen dynamics in a bishop pine forest
Sean M. Schaeffer, University of California, Santa Barbara, Mariah S. Carbone, University of California, Claudia M. Boot, University of California Santa Barbara, Joshua P. Schimel, University of California, Santa Barbara, Christopher J. Still, University of California, Santa Barbara
4:40 PMCOS 67-10Evapotranspiration 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, University of Arizona, 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 Arizona

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See more of The 94th ESA Annual Meeting (August 2 -- 7, 2009)