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John E Barrett

Associate Professor of Biological Sciences

  • B.S., Natural Resource Ecology, Rutgers University, 1994
  • Ph.D., Ecology, Colorado State University, 1999
  • Postdoctoral Training, Dartmouth College, 1999 - 2002


  • Ecology (BIOL 2804)
  • Global Change Ecology (BIOL 4114)
  • Ecosystem Dynamics (BIOL 5034)
  • Methods in Biogeochemical Analyses (BIOL 5984)


Research in the Barrett Lab addresses the influences of soils, climate variability, hydrology, and biodiversity on biogeochemical cycling from the scale of microorganisms to regional landscapes. Topics that I am interested in are:

  • Transformation and transport of carbon, nitrogen, and phosphorus across terrestrial and aquatic ecosystems
  • Controls over spatial distribution of soil biota
  • Response of soil biota to climate variability
  • Soil community composition and ecosystem functioning
  • Carbon sequestration in managed ecosystems

Current Projects in the Barrett Lab

Opportunities for Students

Google Scholar Profile

Curriculum vitae


  • (540) 231-3827
  • Department of Biological Sciences (0406)
    Derring Hall RM 1010
    1405 Perry Street
    Blacksburg, VA 24061
    United States