COS 105 - Biogeochemistry: C And N Cycling In Response To Global Change 1

Presentations:

• 3:30 PM – 3:45 PM EDT

  Surprising relationships between soil pH and microbial biomass and activity in a northern hardwood forest
  

  Coauthor: Renata Ontman – Brooklyn College

  Presenting Author: Peter M. Groffman – ASRC City University of New York

  Coauthor: Charles T. Driscoll, PhD, NAE – Syracuse University

  Coauthor: Zhongqi Cheng – Brooklyn College
• 3:45 PM – 4:00 PM EDT

  Soil enzymes illustrate the effects of alder nitrogen fixation on soil carbon processes in arctic and boreal ecosystems
  

  Presenting Author: Calvin Heslop, M.S. – Harvard University Department of Organismic and Evolutionary Biology

  Coauthor: Roger Ruess, PhD – University of Alaska Fairbanks Institute of Arctic Biology

  Coauthor: Knut Kielland, PhD – University of Alaska Fairbanks Institute of Arctic Biology

  Coauthor: Syndonia Bret-Harte, PhD – University of Alaska Fairbanks Institute of Arctic Biology
• 4:00 PM – 4:15 PM EDT

  Effects of elevated atmospheric carbon dioxide on soil organic carbon in the Mojave Desert: A critical comparison of multiple analyses
  

  Presenting Author: Kelsey H. Jensen – Cornell University

  Coauthor: Jed P. Sparks – Cornell University

  Coauthor: Joe Guinness – Cornell University
• 4:15 PM – 4:30 PM EDT

  Deeper soil warming and increased root biomass drive soil C losses from heterotrophic respiration in high-latitude boreal forests experiencing short-interval reburning
  

  Presenting Author: Jason Shabaga, PhD – University of Florida

  Coauthor: Dmitry Nickolsky – University of Alaska Fairbanks

  Coauthor: Vladimir Romanovsky – University of Alaska Fairbanks

  Coauthor: Paul Klockow – University of Minnesota

  Coauthor: James Lamping – University of Oregon

  Coauthor: Jason Vogel, Associate Professor – University of Florida
• 4:30 PM – 4:45 PM EDT

  Controls on N₂O and N₂ losses from a northern hardwood forest
  

  Presenting Author: Christine Goodale – Cornell University

  Coauthor: Elizabeth Kreitinger – Cornell University

  Coauthor: Catalina Mejia – Cornell University

  Coauthor: Whitney Denison – Cornell University

  Coauthor: Nathaniel Fisher – Cornell University

  Coauthor: Jennifer Morse – Portland State University

  Coauthor: Cynthia Nevison – University of Colorado

  Coauthor: Linda Pardo – U.S. Forest Service

  Coauthor: Anthony Stewart – University of Washington

  Coauthor: Peter M. Groffman – ASRC City University of New York
• 4:45 PM – 5:00 PM EDT

  Nutrient excretion of vertebrates and invertebrates across trophic positions and a stream gradient of dissolved organic matter: is “a change gonna come”?
  

  Presenting Author: Sandra Klemet-N'Guessan – Trent University

  Coauthor: Marina Taskovic – University of Alberta

  Coauthor: Nolan Pearce – Trent University

  Coauthor: Marguerite A. Xenopoulos – Trent University