COS 250 - Arid And Semi-Arid Systems 1

Presentations:

• 10:00 AM – 10:15 AM PDT

  Sonoran Desert rangeland plant community dynamics in response to changes in warm- and cool-season precipitation regimes.
  

  Presenting Author: Nathan Pierce – University of Arizona, School of Natural Resources and the Environment

  Coauthor: Fangyue Zhang, Ph.D. – University of Arizona

  Coauthor: Daniel L. Potts, Ph.D. – SUNY Buffalo State

  Coauthor: William K. Smith, Ph.D. – University of Arizona

  Coauthor: Joel A. Biederman, Ph.D. – USDA-ARS Southwest Watershed Research Center
• 10:15 AM – 10:30 AM PDT

  Severe disturbance increases sensitivity of production to precipitation in drylands
  

  Presenting Author: Tyson J. Terry – Utah State University

  Coauthor: Osvaldo Sala – Arizona State University

  Coauthor: Sasha C. Reed, PhD – U.S. Geological Survey

  Coauthor: Scott Ferrenberg – University of Montana

  Coauthor: Brooke Osborne – Utah State University

  Coauthor: Samuel E. Jordan – University of Arizona

  Coauthor: Steven Lee – New Mexico State University

  Coauthor: Peter B. Adler – Utah State University
• 10:30 AM – 10:45 AM PDT

  The impacts of annual and seasonal weather on big sagebrush (Artemisia tridentata) growth - a growth ring analysis
  

  Presenting Author: Trace Elizabeth Martyn – Yale School of the Environment

  Coauthor: John B. Bradford – USGS Southwest Biological Science Center

  Coauthor: Scott M. Carpenter – Yale School of the Environment

  Coauthor: Daniel R. Schlaepfer – USGS Southwest Biological Science Center / Northern Arizona University

  Coauthor: Ingrid C. Burke, PhD – Yale School of the Environment

  Coauthor: William K. Lauenroth, PhD – Yale School of the Environment
• 10:45 AM – 11:00 AM PDT

  Effects of precipitation and defoliation on Black grama cover in the Jornada Basin
  

  Presenting Author: Nicholas T. Glass – Global Drylands Center / Arizona State University

  Coauthor: Osvaldo Sala – Arizona State University
• 11:15 AM – 11:30 AM PDT

  CANCELLED - Invasion, precipitation seasonality, and precipitation legacies impact plant production in western US rangelands
  

  Presenting Author: Robert W. Heckman – USDA Forest Service, Rocky Mountain Research Station

  Coauthor: Sarah Barga – USDA Forest Service - RMRS

  Coauthor: Stephanie G. Yelenik, Ph.D. – U.S. Forest Service, Rocky Mountain Research Station

  Coauthor: Stanley Kitchen – USDA Forest Service, Rocky Mountain Research Station