LTRR

The LTRR

In 1937 A. E. Douglass, founder of the modern science of dendrochronology, established the Laboratory of Tree-Ring Research at the University of Arizona. The Tree-Ring Lab is recognized worldwide as a preeminent center for the advancement of tree-ring techniques and the broad application of dendrochronology in the social and environmental sciences.

Tuesday, July 28

Tuesday, August 11

News

Change Over Time on display in the Bannister Building exhibit area
An art exhibit, “Marking Time to a Changing Planet”, is now on display in the Bannister Building. Read more...
The STEMM team and their grant award
Margaret Evans from the LTRR in an environmental education innovation. Read more...
detail of the newsletter
Articles teaching tree rings to kids appear in a newsletter. Read more...
Fire history work in the Tree-Ring Lab
An Australian documentary on mega-fires features the LTRR fire history and climate reconstruction. Read more...
Swetnam close-up, forest canopy top below.
A newspaper article highlights the career of retiring LTRR Director Tom Swetnam. Read more...
Fires and Humans in Resilient Ecosystems: forest fire history and outreach activities. Read more...
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