Session: Biogeochemistry: C And N Cycling In Response To Global Change I (2019 ESA Annual Meeting (August 11 -- 16))

8:00 AM

COS 15-1

Impacts of fresh litter inputs on microbially mediated C fluxes across an arctic permafrost thaw gradient
Moira Hough, University of Arizona; Malak M. Tfaily, University of Arizona; Steven Blazewicz, Lawrence Livermore National Laboratory; Ellen Dorrepaal, Umeå University; Patrick M. Crill, Stockholm University; Virginia Rich, The Ohio State University; Scott R. Saleska, University of Arizona

8:20 AM

COS 15-2

Estimating the combined effects of cheatgrass invasion and fire on U.S. ecosystem carbon storage
R Chelsea Nagy, University of Colorado Boulder; Emily Fusco, University of Massachusetts, Amherst; Jennifer K. Balch, University of Colorado Boulder; Adam Mahood, University of Colorado Boulder; Bethany A. Bradley, University of Massachusetts, Amherst

8:40 AM

COS 15-3

Climatic stress-induced changes in plant chemistry alter the compound-specific degradation of litter during decomposition
Jameson Bodenheimer, Clemson University; Georgianna Scott, Clemson University; Jeffrey S. Dukes, Purdue University; Vidya Suseela, Clemson University

9:00 AM

COS 15-4

Interactive effects of drought and grass invasion on carbon and nitrogen cycling
Jiangxiao Qiu, University of Florida; Chase O'Neil, University of Florida; Yuxi Guo, University of Florida; Catherine Fahey, University of Florida; Ko-Hsuan Chen, University of Florida; Hui-Ling Liao, University of Florida; Luke Flory, University of Florida

9:20 AM

COS 15-5

Warming and elevated CO₂ stimulate CH₄ emission with different mechanisms in a temperate peatland
Fenghui Yuan, San Diego State University; Dan M. Ricciuto, Oak Ridge National Laboratory; Xiaoying Shi, Oak Ridge National Laboratory; Fengming Yuan, Oak Ridge National Laboratory; Paul J. Hanson, Oak Ridge National Laboratory; Peter E. Thornton, Oak Ridge National Laboratory; Xiaofeng Xu, San Diego State University

9:40 AM

COS 15-

Break

9:50 AM

COS 15-6

Effects of nitrogen addition on soil microorganisms in forest ecosystems
Biao Zhu, Peking University

10:10 AM

COS 15-7

Nitrogen fertilization increases carbon use efficiency of soil microbial communities across 10 long-term N fertilization studies
Joseph E. Carrara, West Virginia University; Ember Morrissey, West Virginia University; Zachary Freedman, University of Michigan; Edward R. Brzostek, West Virginia University

10:30 AM

COS 15-8

Nitrogen addition lowers root stocks and increases turnover in American grasslands
Christopher Walter, University of Minnesota; Sarah E. Hobbie, University of Minnesota; Elizabeth T. Borer, University of Minnesota; Eric W. Seabloom, University of Minnesota; Dana M. Blumenthal, USDA, Agricultural Research Service; Philip A. Fay, USDA, Agricultural Research Service; Johannes M. H. Knops, Xi’an Jiaotong Liverpool University; Kimberly J. LaPierre, Smithsonian Environmental Research Center; Andrew D. B. Leakey, University of Illinois at Urbana-Champaign

10:50 AM

COS 15-9

Implications of microbial evolutionary processes for soil carbon-climate feedbacks in the context of global warming
Elsa Abs, UC Irvine; Regis Ferriere, iGLOBES Research Center, UMI 3157 CNRS-ENS/PSL-University of Arizona, Institut de Biologie de l'Ecole Normale Superieure, University of Arizona; Scott R. Saleska, University of Arizona

11:10 AM

COS 15-10

Oyster aquaculture introduces chaos to sediment nitrogen cycling processes
Nicholas E. Ray, Boston University; Alia N. Al-Haj, Boston University; Robinson W. Fulweiler, Boston University

COS 15 - Biogeochemistry: C And N Cycling In Response To Global Change I