COS 99
Biogeochemistry: Atmospheric N Deposition Effects

Thursday, August 8, 2013: 1:30 PM-5:00 PM
101H, Minneapolis Convention Center
1:30 PM
 Generalizing a forest ecosystem model: Using PnET-CN to simulate carbon and water fluxes in grasslands and shrublands
Alexandra M. Thorn, University of New Hampshire; Jingfeng Xiao, University of New Hampshire; Scott Ollinger, University of New Hampshire
1:50 PM
 Who is behind the wheel? The drivers of soil N availability in high-elevation red spruce (Picea rubens Sarg.) forests along a gradient of atmospheric N deposition
Kenneth R. Smith, West Virginia University; Justin M. Mathias, West Virginia University; Brenden E. McNeil, West Virginia University; William T. Peterjohn, West Virginia University; Richard B. Thomas, West Virginia University
2:10 PM
2:30 PM
 Nitrogen addition increases carbon storage in soils, but not in trees, in an eastern U.S. deciduous forest
Gary M. Lovett, Cary Institute of Ecosystem Studies; Mary A. Arthur, University of Kentucky; Kathleen C. Weathers, Cary Institute of Ecosystem Studies; Ross D. Fitzhugh, Unaffiliated; Pamela H. Templer, Boston University
2:50 PM
 Bridging atmospheric and terrestrial indicators of nitrogen deposition from a coal-fired power plant
Julie A. Kenkel, Northern Arizona University; Kevin R. Hultine, Desert Botanical Garden; Steven Sesnie, Northern Arizona University; Thomas D. Sisk, Northern Arizona University; Nancy C. Johnson, Northern Arizona University
3:10 PM
3:20 PM
 Effects of soil nitrogen enrichment on prairie plant communities native to Lake Michigan sand dunes
Eric JE Bird, Purdue University Calumet; Young D. Choi, Purdue University Calumet
3:40 PM
 Multiple non-linear responses to a gradient of nitrogen addition in grasslands
W. Stanley Harpole, Iowa State University; Nutrient Network, Multiple Institutions
4:00 PM Cancelled
 Nitrogen limitation in Alpine lakes
Fabio Lepori, University of Applied Sciences and Arts of Southern Switzerland; JoŽl Robin, ISARA-Lyon
4:20 PM
 The effect of acid rain on Acer rubrum flower and seed production in unglaciated hardwood forests
Anna L. Peters, Ohio University; Jared L. DeForest, Ohio University
4:40 PM
 Chronic atmospheric N deposition alters the composition and function of saprotrophic soil bacteria
Zachary B. Freedman, University of Michigan; Sarah D. Eisenlord, University of Michigan; Donald R. Zak, University of Michigan; Kai Xue, University of Oklahoma; Zhili He, University of Oklahoma; Jizhong Zhou, University of Oklahoma