Lars O. Hedin (EEB, Princeton)

The event will start on: Wed, Sep 10, 2014 | 4:00 pm
Location: Lewis Thomas Lab, 003 | Washington Road

Butler Seminar Series

Lars Hedin
Lars Hedin, Ph.D.
Ecology and Evolutionary Biology
Princeton Environmental Institute
Princeton University

Lars Hedin is Professor of Ecology and Evolutionary Biology at Princeton University.  Lars received a B.S. from Cornell University in Biology, and a M.S. and Ph.D. from Yale University in Biogeochemistry and Ecosystem Studies.  Research in his laboratory centers on ecosystem analysis, with emphasis on the emergence and maintenance of geographically broad patterns in cycling of nutrients and greenhouse trace gases.

Seminar Topic


The curious story of symbiotic nitrogen fixation, biodiversity and the land carbon sink

Lars will explore the idea that symbiotic nitrogen fixation might constrain the ability of tropical forests to act as a global carbon sink.  Field experiments, observations, and theoretical models developed in my lab group point not only to nitrogen fixation as an essential mechanism, but also to biodiversity among nitrogen fixers as critical for maintaining the future carbon sink.  Their findings offer an example in which a symbiosis manifested at the scale of individual bacteria-plant interactions may scale up to influence the dynamics of the global land-atmospheric carbon cycle.




Free and open to the university community and the public

Hosted by: Zemer Gitai, Molecular Biology

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