COS 247 - Biogeochemistry: Atmospheric N Deposition Effects

Presentations:

• 1:30 PM – 1:45 PM EDT

  Regional variation in sensitivity of trees to nitrogen and sulfur deposition across the United States
  

  Presenting Author: Rebecca M. Dalton – US EPA

  Coauthor: Jess Miller – U.S. Environmental Protection Agency

  Coauthor: Robert Sabo – U.S. Environmental Protection Agency

  Coauthor: Kemen Austin – RTI International

  Coauthor: Jennifer Phelan – RTI International

  Coauthor: R. Quinn Thomas – Virginia Polytechnic Institute and State University

  Coauthor: Tara Greaver – U.S. Environmental Protection Agency

  Coauthor: Christopher Clark – U.S. Environmental Protection Agency
• 1:45 PM – 2:00 PM EDT

  Roles of nitrogen and soil pH in aboveground biomass production in mixed temperate forests in central New York
  

  Presenting Author: David Frey – Cornell University

  Coauthor: Christine Goodale – Cornell University
• 2:00 PM – 2:15 PM EDT

  Atmospheric Deposition is Elevated in Cities Relative to Rural Areas Across the United States and this Pattern is Strengthening Over Time
  

  Presenting Author: Emma Conrad-Rooney – Boston University

  Coauthor: Yanni Pappas – Northeastern University

  Coauthor: Pamela H. Templer – Boston University
• 2:15 PM – 2:30 PM EDT

  Soil microorganisms show only partial recovery three years after cessation of chronic experimental N deposition
  

  Presenting Author: Eileen Reeves – Michigan Technological University

  Coauthor: Andrew Burton – Michigan Technological University

  Coauthor: Jennifer Eikenberry – Michigan Technological University
• 2:30 PM – 2:45 PM EDT

  Nitrogen-fixing trees maintain high rates of fixation under high N fertilization
  

  Presenting Author: Amelia A. Wolf – University of Texas at Austin

  Coauthor: Duncan N. L. Menge – Columbia University

  Coauthor: Jennifer L. Funk – University of California at Davis

  Coauthor: Steven Perakis – USGS