PS 13
Biogeochemistry: Biogeo Patterns Along Environmental Gradients

Monday, August 10, 2015: 4:30 PM-6:30 PM
Exhibit Hall, Baltimore Convention Center
 Relationship between water elevation and organic soil depth in restored subtropical wetlands
Alicia Huber, University of Central Florida; Patrick J. Bohlen, University of Central Florida
 Carbon release from a warmer, wet, organic-rich active layer across a gradient of polygonal tundra in the Arctic may provide an important feedback to the atmosphere
Holly M. Vander Stel, Oak Ridge National Laboratory; Colleen M. Iversen, Oak Ridge National Laboratory; Richard J. Norby, Oak Ridge National Laboratory; Victoria L. Sloan, Oak Ridge National Laboratory; Joanne Childs, Oak Ridge National Laboratory; Deanne J. Brice, Oak Ridge National Laboratory; Ariane Jong, Chapman University; Jason K. Keller, Chapman University; Mallory Ladd, Oak Ridge National Laboratory; Stan D. Wullschleger, Oak Ridge National Laboratory
 Wetland soil greenhouse gas production in laboratory incubations under varying nutrient conditions across an estuarine salinity gradient
Angel D. Montero, Queens College, CUNY; Brian A. Brigham, Queens College, CUNY; Gregory D. O'Mullan, Queens College, CUNY; Jeffrey A. Bird, Queens College, CUNY
 Does drainage history mediate the response of greenhouse gas emissions to precipitation in an agricultural field?
Alexander H. Krichels, University of Illinois at Urbana-Champaign; Robert A. Sanford, University of Illinois at Urbana-Champaign; Joanne C. Chee Sanford, United States Department of Agriculture; Evan H. DeLucia, University of Illinois at Urbana-Champaign; Wendy H. Yang, University of Illinois at Urbana-Champaign
 Role of bedrock nitrogen in regulating asymbiotic nitrogen fixation and plant tissue chemistry
Katherine A. Dynarski, University of California, Davis; Scott L. Morford, University of California, Davis; Benjamin Z. Houlton, University of California, Davis
 The role of microbes in retaining soil nitrogen with depth at Hubbard Brook
Bridget A Darby, Cornell University; Aubree M Keurajian, Cornell University; Gary Lovett, Cary Institute of Ecosystem Study; Christine L. Goodale, Cornell University
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