8:00 AM Homann, Peter¹, Harmon, Mark², Smithwick, Erica³, ¹ Western Washington University, Bellingham, WA, USA² Oregon State University, Corvallis, OR, USA³ University of Wisconsin--Madison, Madison, WI, USA Maximum ecosystem C of the Pacific Northwest region: Will climate change have an effect?

FULL ABSTRACT

8:20 AM Zhuang, Qianlai¹, Melillo, Jerry¹, Felzer, Benjamin¹, Kicklighter, David¹, McGuire, A. David², Sokolov, Andrei³, Prinn, Ronald³, Steudler, Paul¹, ¹ The Ecosystems Center, Marine Biological Laboratory, Woods Hole, MA, USA² U.S. Geological Survey, Alaska Cooperative Fish and Wildlife Research Unit, University of Alaska, Fairbanks, AK³ Joint Program on the Science and Policy of Global Change, MIT, Cambridge, MA The global warming potential budget of net methane and carbon dioxide exchanges in northern high latitudes.

FULL ABSTRACT

8:40 AM HilleRisLambers, Janneke^*,1, Harpole, W. Stanley¹, Schnitzer, Stefan², Tilman, David¹, Reich, Peter¹, ¹ University of Minnesota, Saint Paul, Minnesota, USA² University of Wisconsin-Milwaukee, Milwaukee, Wisconsin, USA The effects of global change on seed production: Implications for plant community structure.

FULL ABSTRACT

9:00 AM Hadley, Julian^*,, Kuzeja, Paul, Schedlbauer, Jessica, Carbon exchange at a second deciduous forest site in New England compared to the long-term Ameriflux study site.

FULL ABSTRACT

9:20 AM Vitousek, Peter^*,1, Ladefoged, Thegn², Chadwick, Oliver³, Hartshorn, Tony³, Kirch, Patrick⁴, Graves, Michael⁵, Hotchkiss, Sara ⁶, Tuljapurkar, Shripad¹, ¹ Stanford University, Stanford, CA² University of Auckland, Auckland, New Zealand³ University of California Santa Barbara, Santa Barbara, CA⁴ University of California Berkeley, Berkeley, CA⁵ University of Hawaii Manoa, Honolulu, HI⁶ University of Wisconsin Madison, Madison, WI The biogeochemistry of Polynesian dryland agriculture: Distribution in space and time.

FULL ABSTRACT

9:40 AM Break.

9:50 AM McGuire, Anthony^*,1, Joyce, Linda², Clein, Joy¹, Coulson, David³, Burnside, Todd¹, ¹ University of Alaska Fairbanks, Fairbanks, Alaska² Rocky Mountain Research Station, Fort Collins, Colorado³ SI International, Incorporated, Fort Collins, Colorado Historical changes in carbon storage of the eastern United States: Uncertainties associated with forest harvest and agricultural activities.

FULL ABSTRACT

10:10 AM McSwiney, Claire^*,1, Robertson, G.^{1, 2}, ¹ W.K. Kellogg Biological Station, Hickory Corners, MI² Department of Crop and Soil Science, East Lansing, MI Global warming impact of irrigated and rainfed continuous corn fertilized at different N rates.

FULL ABSTRACT

10:30 AM Welter, Jill^*,1, Fisher, Stuart¹, ¹ Arizona State University, Tempe, AZ, USA Hot spots for nitrogen loss along an arid terrestrial-aquatic continuum.

FULL ABSTRACT

10:50 AM Holland, Keri^*,1, Townsend, Alan, Bowman, William, Seastedt, Tim, ¹ University of Colorado-Boulder, Boulder, CO, 80302 Short-term partitioning of ¹⁵N in alpine tundra across a range of fertilization levels.

FULL ABSTRACT

11:10 AM Wallenstein, Matthew^*,1, Vilgalys, Rytas², Schlesinger, William¹, McNulty, Steve³, Boggs, Johnny³, Zhou, Jizhong⁴, ¹ Nicholas School of the Environment and Earth Sciences, Durham, NC² Department of Biology, Durham, NC³ 2USDA Forest Service, Raleigh, NC, 27606⁴ Oak Ridge National Laboratory, Oak Ridge, TN Effects of N fertilization on functional gene abundance and diversity.

FULL ABSTRACT