Wednesday, August 5, 2009: 8:00 AM-11:30 AM
La Cienega, Albuquerque Convention Center
COS 52 - Biogeochemistry: Biogeo Patterns Along Environmental Gradients I
8:00 AMCOS 52-1Soil biochar between upper and lower treeline (2200 – 3500 m) in Colorado Front Range forests
Christopher W. Licata, University of Denver, Robert L. Sanford Jr., University of Denver
8:20 AMCOS 52-2Temperature sensitivity of soil CO2 fluxes across a 3000 m elevation gradient in southern California
Amitava Chatterjee, University of California, Riverside, G. Darrel Jenerette, University of California Riverside
8:40 AMCOS 52-3Elevation driven dynamics of organic nitrogen cycling and uptake in the White Mountains, NH, USA
Colin Averill, Boston University, Adrien C. Finzi, Boston University
9:00 AMCOS 52-4Determining the sensitivity of New Mexico biomes to predicted climate change scenarios of the Southwest
Marcy E. Litvak, University of New Mexico, Krista Anderson Teixera, University of Illinois at Urbana-Champaign, John DeLong, University of New Mexico, Alek Chakroff, University of New Mexico
9:20 AMCOS 52-5Patterns of DIN export in the Central Valley of California: Increasing the resolution of a global nutrient export model
Kara E. Goodwin, Washington State University Vancouver, John A. Harrison, Washington State University Vancouver, Daniel J. Sobota, Washington State University Vancouver
9:40 AM Break
9:50 AMCOS 52-6Continental-scale dissolved inorganic phosphorus export by rivers: Results from a regional-global modeling approach
John A. Harrison, Washington State University Vancouver, A.F. Bouwman, Netherlands Environmental Institute, Sybil Seitzinger, The Royal Swedish Academy of Sciences, Emilio Mayorga, Rutgers University
10:10 AMCOS 52-7From Forests to Fens: Linking the Nitrogen Cycle to Microorganisms in Multiple Boreal Ecosystems
Dorthe Petersen, University of California, Berekely, Mark P. Waldrop, United States Geological Survey, Donald J. Herman, University of California, Berekely
10:30 AMCOS 52-8Nitrogen and phosphorus mineralization rates measured by modified resin core incubations in wetland soils
Gregory B. Noe, U. S. Geological Survey
10:50 AMCOS 52-9Nitrogen removal and greenhouse gas production during spring stratification in a small eutrophic reservoir
Bridget R. Deemer, Washington State University Vancouver, John A. Harrison, Washington State University Vancouver
11:10 AMCOS 52-10Homeostasis of tree leaf temperatures:  Evidence isotopic and otherwise
Brent Helliker, University of Pennsylvania, Suzanna Richter, Franklin and Marshall

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