COS 115
Biogeochemistry: Biogeo Patterns Along Environmental Gradients I

Thursday, August 13, 2015: 1:30 PM-5:00 PM
302, Baltimore Convention Center
1:30 PM
Changes in ecosystem carbon responses to saltwater exposure: Implications of sea level rise in the Florida coastal Everglades
Benjamin J. Wilson, United States Fish and Wildlife Service; Shelby M. Servais, Florida International University; Viviana Mazzei, Florida International University; Tiffany G. Troxler, Florida International University; John Kominoski, Florida International University; Evelyn Gaiser, Florida International University; Fred Sklar, South Florida Water Management District; Carlos Coronado, South Florida Water Management District; Steve Kelly, South Florida Water Management District; Stephen Davis, Everglades Foundation
1:50 PM
The influence of dry-season processes on soil NO emissions: A δ15N-NO and δ18O-NO isotopic approach
Peter M. Homyak, University of California, Santa Barbara; Josh Schimel, UC Santa Barbara; James O. Sickman, UC Riverside
2:10 PM
Evaluating greenhouse gas efflux across a rural-urban gradient in the Hudson River Estuary
Brian A. Brigham, Queens College, CUNY; Jeffrey A. Bird, Queens College, CUNY; Gregory D. O'Mullan, Queens College, CUNY
2:30 PM
Changes in soil ecological function after fire and insect disturbance
David J.P. Moore, University of Arizona; Nicole A. Trahan, University of Wyoming; Emily Dynes, University of Arizona; Rebecca Lybrand, University of Arizona; Rachel Gallery, University of Arizona
2:50 PM
Biological nitrogen enrichment shifts long-term calcium sources from bedrock weathering to atmospheric inputs
Justin Hynicka, Oregon State University; Julie Pett-Ridge, Oregon State University; Steve Perakis, US Geological Survey
3:10 PM
3:20 PM
Convergence and decoupling of ecosystem properties at treeline ecotones of the world
Jordan R. Mayor, Swedish University of Agricultural Sciences; Richard D. Bardgett, University of Manchester; Aimee Classen, University of Copenhagen; Ze'ev Gedalof, University of Guelph; Alex Fajardo, Centro de Investigacion en Ecosistemas de la Patagonia; Sandra Lavorel, Université Joseph Fourier; Maja Sundqvist, Umeå University; Michael Bahn, University of Innsbruck; Ellen Cieraad, Landcare Research; Jean-Christophe Clement, Universite de Grenoble; Karl Grigulis, Universite de Grenoble; Gaku Kudo, Hokkaido University; Nate Sanders, Natural History Museum of Denmark, University of Copenhagen; David Wardle, Nanyang Technological University
3:40 PM
The role of spatial structure in determining the strength of the relationships among climate, landscape and limnological properties
Jean-Francois Lapierre, Michigan State University; Sarah Collins, Michigan State University; Caren Scott, Michigan State University; Kendra Spence Cheruvelil, Michigan State University; Pang-Ning Tan, Michigan State University; Mary Bremigan, Michigan State University; Tyler Wagner, U.S. Geological Survey, Pennsylvania Cooperative Fish & Wildlife Research Unit; Patricia A. Soranno, Michigan State University
4:00 PM
Climate regulates the distribution and abundance of symbiotic nitrogen-fixing trees in North America
Wenying Liao, Columbia University; Duncan Menge, Columbia University; Jeremy W. Lichstein, University of Florida; Gregorio Angeles-Pérez, Colegio de Postgraduados
4:20 PM
"Push-pull" assays in the field reveal coupled sulfur, nitrogen, and carbon cycling in salt marsh sediment
Suzanne M. Thomas, Marine Biological Laboratory; Zoe Cardon, Marine Biological Laboratory; Stefan Sievert, Woods Hole Oceanographic Institution; Francois Thomas, CNRS- Station Biologique de Roscoff, Université de Lorraine; Jane Tucker, Marine Biological Laboratory; Anne E. Giblin, Marine Biological Laboratory
4:40 PM
Effects of human-induced stressors on microbial community landscapes in forested headwater wetlands: Are there clear links to process?
Jessica Moon, Murray State University; Denice H. Wardrop, The Pennsylvania State University; Kusum J. Naithani, University of Arkansas; M. Siobhan Fennessy, Kenyon College; Erica Smithwick, The Pennsylvania State University
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