COS 127
Climate Change: Biogeochem Cycles

Friday, August 15, 2014: 8:00 AM-11:30 AM
302/303, Sacramento Convention Center
8:00 AM
 Spatial and temporal variability in methane emissions from lowland pastures
Samuel D. Chamberlain, Cornell University; Jed P. Sparks, Cornell University
8:20 AM
 Species effects on boreal fire dynamics; Implications for climate feedbacks
Brendan M. Rogers, University of California, Irvine; Michael Goulden, University of California, Irvine; Amber J. Soja, National Institute of Aerospace, NASA Langley Research Center; James T. Randerson, University of California, Irvine
8:40 AM
 Centennial-scale ecological interactions between U.S. forests and climate: Using models and data to constrain the historic biosphere-atmosphere carbon cycle
Jaclyn Hatala Matthes, Wellesley College; David J.P. Moore, University of Arizona; Andrew M. Fox, National Ecological Observatory Network; Simon Goring, University of Wisconsin-Madison; Benjamin Poulter, NASA GSFC; Tristan Quaife, University of Reading; Kevin Schaefer, National Snow & Ice Data Center; Joerg Steinkamp, Senckenberg Gesellschaft für Naturforschung; Michael Dietze, Boston University
9:00 AM
 Dramatic change in trophic structure in the Southern California Bight in response to the 1997-98 El Niño: 17 years of record from predatorδ15N amino acids
Iliana Ruiz-Cooley, University of California Santa Cruz; Lisa Ballance, Southwest Fisheries Science Center, NMFS, NOAA; Paul Fiedler, Southwest Fisheries Science Center, NMFS, NOAA; Susan Chivers, Southwest Fisheries Science Center, NMFS, NOAA; Kerri Danil, Southwest Fisheries Science Center, NMFS, NOAA; Tim Gerrodette, Southwest Fisheries Science Center, NMFS, NOAA
9:20 AM
 Increased rainfall variability and nitrogen fertilization accelerate nutrient cycling in a restored prairie
Michael J. Schuster, Purdue University; Jeffrey S. Dukes, Purdue University
9:40 AM
9:50 AM
 Soil respiration response to precipitation manipulation in piñon-juniper woodland
Michael G. Ryan, Colorado State University; Tobah M. Gass, National Coalition of Independent Scholars; S. Andra White, University of New Mexico; Robert E. Pangle, University of New Mexico; William, T. Pockman, University of New Mexico; Nate G. McDowell, Los Alamos National Laboratory
10:10 AM
 Are greenhouse gas emissions from dairy manure management currently underestimated?
Justine J. Owen, University of California Berkeley; Whendee L. Silver, University of California, Berkeley
10:30 AM
 Atmospheric CO2 enrichment and reactive N inputs interactively increase cation release and soil acidification
Li Zhang, Beijing Normal University; Lei Cheng, Zhejiang University; Cong Tu, North Carolina State University; Yi Wang, North Carolina State University; Dan C. Bowman, North Carolina State University; Kent O. Burkey, USDA, Plant Science Research Unit; Xinmin Bian, Nanjing Agricultural University; Weijian Zhang, Nanjing Agricultural University; Shuijin Hu, North Carolina State University
10:50 AM Cancelled
 Dryland responses to climate change: Assessing the biogeochemical consequences of Syntrichea caninervis mortality resulting from altered precipitation regimes
Kristina Young, U.S. Geological Survey; Jayne Belnap, U.S. Geological Survey; Sasha C. Reed, U.S. Geological Survey
11:10 AM Cancelled
 Is there a universal temperature dependence of aquatic ecosystem respiration?
Kathijo Jankowski, University of Washington; Daniel Schindler, University of Washington; Gordon Holtgrieve, University of Washington
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