COS 114
Biogeochemistry: Biogeo Patterns Along Environmental Gradients

Friday, August 9, 2013: 8:00 AM-11:30 AM
101E, Minneapolis Convention Center
8:00 AM
COS 114-1
 Parsing the influence of geography, vegetation, and bottom water dissolved organic matter fluorescence characteristics on sediment total- and methylmercury concentrations in the St. Louis River Estuary
Emily B. Graham, University of Colorado at Boulder; Diane M. McKnight, University of Colorado; Diana R. Nemergut, University of Colorado
8:20 AM
COS 114-2
 Multiple indices of nutrient limitation in a topographically dissected wet tropical forest
Samantha R. Weintraub, University of Colorado; Alan R. Townsend, University of Colorado at Boulder; Cory C. Cleveland, University of Montana
8:40 AM
COS 114-3
 Sediment composition and nitrate availability control denitrification rates in the Saint Louis River Estuary
Luke C. Loken, University of Wisconsin; Gaston E. Small, University of St. Thomas; Jacques C. Finlay, University of Minnesota; Robert W. Sterner, University of Minnesota; Emily H. Stanley, University of Wisconsin
9:00 AM
COS 114-4
 Chronic nitrogen addition increases carbohydrolase and oxidase production by ectomycorrhizal fungi
Jesse J. Sadowsky, University of New Hampshire; Linda T.A. Van Diepen, University of New Hampshire; Serita D. Frey, University of New Hampshire
9:20 AM
COS 114-5
 Variations in ecosystem C storage along a soil fertility gradient in a Brazilian savanna (Cerrado) in southern Mato Grosso
George L. Vourlitis, California State University; Francisco de Almeida Lobo, Universidade Federal de Mato Grosso; Shelley Lawrence, California State University; Osvaldo Borges, Universidade Federal de Mato Grosso; Jose de Souza Nogueira, Universidade Federal de Mato Grosso
9:40 AM
COS 114-
 Break
9:50 AM
COS 114-6
 A climate gradient approach elucidates mechanisms in the regulation of soil organic matter turnover in the Eastern Mediterranean
Yosef Steinberger, Bar Ilan University; Adi Oren, Bar-Ilan University
10:10 AM
COS 114-7
 Connecting C and S biogeochemical cycles: mineralization in soil and rainfall events
Mary Whelan, University of California at Berkeley; Robert Rhew, University of California at Berkeley
10:30 AM
COS 114-8
 Seasonality in flux of nitrogen to streams and atmosphere in a semi-arid and dryland agriculture dominated watershed
Cailin Huyck Orr, Washington State University; Julia Schwarz, Washington State University; Leif Moon-Neilsen, Washington State University; Christopher J. Kelley, Washington State University; C. Kent Keller, Washington State University
10:50 AM
COS 114-9
 Mapping tropical forest carbon on the Osa Peninsula, Costa Rica
Philip G. Taylor, University of Colorado; Gregory Asner, Carnegie Institution for Science; Chris Anderson, Carnegie Institution for Science; Ty Kennedy-Bowdoin, Carnegie Institution for Science; Roberta Martin, Carnegie Institution for Science; Joseph Mascaro, Carnegie Institution for Science; Robin L. Chazdon, University of Connecticut; Rebecca J. Cole, University of Colorado at Boulder; Alan R. Townsend, University of Colorado at Boulder
11:10 AM
COS 114-10
 A continental-scale strategy to sample carbon and nutrient dynamics within and across air, land, and water systems
Eve-Lyn S. Hinckley, National Ecological Observatory Network (NEON, Inc.); Keli Goodman, National Ecological Observatory Network; Charlotte L. Roehm, National Ecological Observatory Network (NEON, Inc.); Courtney L. Meier, National Ecological Observatory Network (NEON); Sarah Elmendorf, National Ecological Observatory Network (NEON); Michael D. SanClements, National Ecological Observatory Network (NEON); Hongyan Luo, National Ecological Observatory Network (NEON, Inc.); Edward Ayres, National Ecological Observatory Network (NEON); Jacob Parnell, National Ecological Observatory Network (NEON, Inc.); Andrew M. Fox, National Ecological Observatory Network; Claire K. Lunch, National Ecological Observatory Network; Keith S. Krause, National Ecological Observatory Network (NEON, Inc.); Michael Fitzgerald, National Ecological Observatory Network (NEON, Inc.); David T. Barnett, National Ecological Observatory Network (NEON); Katie Jones, National Ecological Observatory Network (NEON, Inc.); Henry W. Loescher, National Ecological Observatory Network (NEON)
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