Keiser Lab

soil and ecosystem ecology



You’ve reached the research page for the Keiser lab at UMass Amherst in the Stockbridge School of Agriculture. We are a terrestrial ecosystem ecology lab working at the interface of above- and below-ground communities.

Tree Diagram_V6Our research spans the fields of ecosystem ecology, biogeochemistry, soil ecology, climate change, and invasive species. We examine local, mechanism-driven questions, which have advanced ecological theory regarding microbial community function, and landscape-level biogeochemical inquiries that link ecosystem function with land management decisions. Overall, our work expands our understanding of how soil microbial communities function and interact with the environment, exhibited through carbon (C) and nitrogen (N) dynamics. These interactions and how they change across space are critical for creating realistic C and N budgets at local and regional scales. Ultimately, we hope our research will help inform land-use and policy decisions.


  • We are hiring a postdoc! Please see job description and how to apply at “Join the Lab”
  • Fantastic Tansley Insight exploring HFA and the phyllosphere led by Nicolas Fanin:
  • Welcome Alex Wu, our 2021 CAFE Summer Scholar!
  • Check out our new paper in Biogeochemistry exploring the role of photodegradation in temperate forests:
  • Congratulations to Sabrina Sprague who joins the UMass Junior Fellows Program!

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