COS 207 - Biogeochemistry: Biogeo Patterns Along Environmental Gradients 1

Presentations:

• 8:00 AM – 8:15 AM EDT

  Diets of coastal and inland western fence lizard populations in Washington State
  

  Presenting Author: Alexi J. Ebersole – University of Puget Sound

  Coauthor: Stacey L. Weiss – University of Puget Sound

  Coauthor: Kena Fox-Dobbs – University of Puget Sound
• 8:15 AM – 8:30 AM EDT

  Are nitrogen-fixing trees different than non-fixing trees in how they allocate nitrogen to photosynthesis and water use efficiency? Results from a field fertilization experiment
  

  Presenting Author: Thomas A. Bytnerowicz – University of Texas at Austin

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

  Coauthor: Duncan N. L. Menge – Columbia University

  Coauthor: Steven Perakis – USGS

  Coauthor: Amelia A. Wolf – University of Texas at Austin
• 8:30 AM – 8:45 AM EDT

  A Delicate Balance: How Symbiotic Bacteria Influence Plant Water Use Efficiency
  

  Presenting Author: Ayanna Butler – Columbia University

  Coauthor: Amelia A. Wolf – University of Texas at Austin

  Coauthor: K. A. Carreras Pereira – Columbia University

  Coauthor: Thomas A. Bytnerowicz – University of Texas at Austin

  Coauthor: Duncan N. L. Menge – Columbia University
• 8:45 AM – 9:00 AM EDT

  Soil nitrogen availability increases the positive effect of aridity on water use efficiency
  

  Presenting Author: Evan A. Perkowski – Texas Tech University

  Coauthor: Nicholas G. Smith – Texas Tech University
• 9:00 AM – 9:15 AM EDT

  Soil carbon availability decouples net nitrogen mineralization and net nitrification across US Long Term Ecological Research sites
  

  Presenting Author: Ashley D. Keiser – University of Massachusetts Amherst

  Coauthor: Rollie Grinder – University of Arizona

  Coauthor: Allison L. Gill – Williams College
• 9:15 AM – 9:30 AM EDT

  Effects of beaver impoundments on surface water mercury concentrations in boreal watersheds along a gradient of forest harvest disturbance
  

  Presenting Author: Wai Ying Lam – University of Toronto Scarborough

  Coauthor: Rob Mackereth – Ontario Ministry of Northern Development, Mines, Natural Resources and Forestry

  Coauthor: Carl Mitchell – University of Toronto Scarborough