Oral Session 92: Biogeochemistry VI: Carbon and Nitrogen Cycling.
Presiding: D Jenerette
Thursday, August 5, 8:00 AM to 11:30 AM, Meeting Room A 106.
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?
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.
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.
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.
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.
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.
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.
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.
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.
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.
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