8:00 AM: Hinckley, Eve-Lyn^*,1, Fendorf, Scott¹, Matson, Pamela¹, ¹ Stanford University, Stanford, CA, High sulfur inputs in Northern California vineyards: Short-term fates and long-term implications.

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8:20 AM: Selvendiran, Pranesh^*,1, Driscoll, Charles¹, Mitchell, Myron², Shanley, James ³, ¹ Syracuse University, Syracuse, New York, USA² State University of New York, Syracuse, New York, USA³ U.S Geological Survey, Montpelier, Vermont, USA, Application of a sulfur biogeochemical model with isotopes to Sleepers River, Vermont, USA.

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8:40 AM: Chen, Hua ^*,1, Tian, Hanqin ¹, Liu, Mingliang ¹, Zhang, Chi¹, Pan, Shufen¹, Melillo, Jerry², ¹ School of Forestry and Wildlife Sciences, Auburn, AL, USA² The Ecosystems Center, Woods Hole, MA, USA, Effects of land use and climate on carbon dynamics in Southeastern US.

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9:00 AM: Monson, Russell^*,1, Yi, Chuixiang¹, Anderson, Dean ², Sun, Jeilun³, Lamb, Brian⁴, Burns, Sean^{1, 3}, ¹ University of Colorado, Boulder² US Geological Survey, Lakewood³ National Center for Atmospheric Research, Boulder⁴ Washington State University, Pullman, Observational uncertainties in net ecosystem CO2 exchange: the effect of complex terrain.

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9:20 AM: Kaye, Jason^*,1, Majumdar, Anandamayee², Gries, Corinna², Hope, Diane², Zhu, Weixing³, Grimm, Nancy², Jenerette, Darrel⁴, Baker, Larry⁵, ¹ Pennsylvania State University, University Park, PA² Arizona State University, Tempe, AZ³ Binghamton University - SUNY, Binghamton, NY⁴ Ohio State University⁵ University of Minnesota, The spatial distribution of soil carbon and nitrogen in a regional matrix of urban, agricultural, and desert ecosystems.

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9:40 AM: , BREAK.

9:50 AM: Silver, Whendee^*,1, Thompson, Andrew^*,1, Pett-Ridge, Jennifer^*,1, Firestone, Mary^*,1, ¹ Ecosystem Sciences Division, Berkeley, CA, USA, Proximate controls on nitrate reduction: the roles of labile carbon, nitrate, and redox potential.

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10:10 AM: Stephan, Kirsten¹, Kavanagh, Kathleen¹, ¹ University of Idaho, Moscow, ID, Fire effects on nitrogen dynamics in headwater systems.

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10:30 AM: Hamman, Sarah ^*,1, Burke, Ingrid ¹, Knapp, Eric², ¹ Forest, Range, Watershed Stewardship Department, Fort Collins, CO, USA² U.S. Forest Service Pacific Southwest Research Station, Redding, CA, USA, Season of burning: the differential effects of spring and fall prescribed fire on soil nitrogen and carbon fluxes.

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