COS 123 - Biogeochemistry: C And N Cycling In Response To Global Change II

Thursday, August 10, 2017: 8:00 AM-11:30 AM
B117, Oregon Convention Center
8:00 AM
 Crop rotational complexity mediates plant-soil responses to altered water regimes
Timothy M. Bowles, University of California Berkeley; A. Stuart Grandy, University of New Hampshire
8:20 AM
 Pulses of biogenic nitrogen cycling lead to atmospheric-based nutrient spiraling in southern California
G. Darrel Jenerette, University of California; Jun Wang, University of Iowa; James O. Sickman, UC Riverside; Emma L. Aronson, University of California, Riverside; Mark Fenn, USDA Forest Service; Cui Ge, University of Iowa
8:40 AM
 Asynchrony in the timing of goose-vegetation interactions: Implications for biogeochemical cycling in wet sedge tundra
Ryan T. Choi, Utah State University; Karen H. Beard, Utah State University; A. Joshua Leffler, South Dakota State University; Lindsay G. Carlson, Utah State University; Katharine C. Kelsey, University of Alaska-Anchorage; Joel A. Schmutz, USGS; Jeffrey M. Welker, University of Alaska-Anchorage
9:00 AM
 Copper addition induces soil microbial community shifts and changes in biogeochemical cycling
Keshav Arogyaswamy, University of California, Riverside; Chelsea J. Carey, Point Blue Conservation Science; Emma L. Aronson, University of California, Riverside
9:20 AM
 Ecological network analysis of peatland microbial communities
Sheryl L. Bell, Pacific Northwest National Laboratory; Montana Smith, Pacific Northwest National Laboratory; Erik A. Hobbie, University of New Hampshire; Kirsten S. Hofmockel, Pacific Northwest National Laboratory
9:40 AM
9:50 AM
 Tradeoffs between climate change adaptation and mitigation for farmland drainage management options in British Columbia’s Fraser River delta
Sean M. Smukler, The University of British Columbia; Siddhartho S Paul, The University of British Columbia; Katarina Neufeld, The University of British Columbia
10:10 AM
 Cereal rye (Secale cereale) cover crop can reduce reactive N distribution in soil profile in a no-till agroecosystem
Briana Otte, University of Maryland; Steven Mirsky, USDA-ARS Sustainable Agriculture Systems Laboratory; Harry Schomberg, United States Department of Agriculture; Dennis J. Timlin, USDA-ARS; Katherine Tully, University of Maryland
10:30 AM
 Elevated CO2 increases nitrogen loss through iron-dependent anaerobic ammonium oxidation
Chenchao Xu, Zhejiang University; Kaihang Zhang, Zhejiang University; Jing Xiao, Zhejiang University; Naifang Zhang, Zhejiang University; Wanying Zhu, Zhejiang University; Fangjian Yu, Zhejiang University; Awaguli Awaidula, Zhejiang University; Hao Hu, Zhejiang University; Chunwu Zhu, Chinese Academy of Sciences; Jianguo Zhu, Chinese Academy of Sciences; Lei Cheng, Zhejiang University
10:50 AM
 Microbial activity is a better predictor of soil respiration than microbial biomass or composition
Alejandro Salazar, Purdue University; Jay T. Lennon, Indiana University; Jeffrey S. Dukes, Purdue University
11:10 AM
 Pulse size, frequency and soil-litter mixing alter the control of cumulative precipitation over litter decomposition in drylands
François-Xavier Joly, Arizona State University; Heather L. Throop, Arizona State University
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