8:00 AM: Gurney, Kevin^*,1, ¹ Colorado State University, Fort Collins, CO, 80523, Global carbon sources and sinks: Estimates and links to climate variability from the inverse approach.

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8:20 AM: Harlow, Benjamin^{*,1, 2}, Marshall, John¹, ¹ Department of Forest Resources, Moscow, Idaho, USA² School of Biological Sciences, Pullman, Washington, USA, Twentieth century increases in water use efficiency vary with altitude and species.

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9:00 AM: Pregitzer, Kurt¹, Loya, Wendy¹, ¹ Ecosystem Science Center, Houghton, MI, USA, Soil respiration under elevated tropospheric carbon dioxide and ozone in northern hardwood forests.

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9:20 AM: Higgins, Paul^*,1, ¹ University of California, Berkeley, Berkeley, CA, USA, Biophysical and biogeochemical responses to climate change depend on dispersal and migration.

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9:40 AM: , BREAK.

9:50 AM: Erickson, John^*,1, Hungate, Bruce², Megonigal, J¹, Peresta, Gary¹, Drake, Bert¹, ¹ Smithsonian Environmental Research Center, Edgewater, MD, USA² Northern Arizona University, Flagstaff, AZ, USA, Carbon and nitrogen relations of C3 and C4 salt marsh species during long-term elevated CO₂ exposure.

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10:10 AM: Eller, Allyson^*,1, Sparks, Jed¹, ¹ Cornell University, Ithaca, NY, What controls the elimination rates of ozone and nitrogen dioxide in plant leaves?

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10:30 AM: Wolfe-Bellin, Kelly^*,1, He, Jin-Sheng², Bazzaz, F¹, ¹ Harvard University, Cambridge, MA² Peking University, Beijing, China, Leaf-level physiology and biomass of common pokeweed (Phytolacca americana) under conditions of elevated atmospheric carbon dioxide and increased nighttime temperature.

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10:50 AM: Borer, Catherine^*,1, Schaberg, Paul², DeHayes, Donald¹, ¹ University of Vermont, Burlington, VT² USDA Forest Service, South Burlington, VT, Redefining foliar calcium deficiency and vulnerability.

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