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  • Pursuing interdisciplinary research.

    Dendrochronology helps reconstruct environmental change, and unravel processes in ecosystems and human societies; researchers in many parts of the world collaborate with the Laboratory of Tree-Ring Research.
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  • Educating students and the public.

    The Laboratory of Tree-Ring Research teaches undergraduate and graduate courses; its outreach program also reaches thousands of children and adults in the community.
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  • Established by the pioneer of dendrochronology.

    A.E. Douglass, originator of the science of tree-ring dating, founded the Laboratory of Tree-Ring Research in 1937.
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  • Housed in a custom facility.

    A building constructed in 2013 provides lab and office space, augmented by a building recently renovated as a wood sample archive.
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  • Pursuing interdisciplinary research.

  • Educating students and the public.

  • Established by the pioneer of dendrochronology.

  • Housed in a custom facility.

News

Fire in the understory of a Californian conifer forest

Human history affected forest fires in California

Monday, November 14, 2016
Spanish missions, the Gold Rush, and twentieth century fire suppression affected how forest fires responded to climate in the Sierra Nevada.
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A cross-section of a Douglas-fir tree showing the healed scars from fires on 2003 and 2007. Photo: USDA Forest Service.

Investigating how fire leaves its mark on trees

Friday, November 11, 2016
Fire scars help reconstruct the history of fire in the landscape: a new study looks more closely at how they form.
Read more
The tree in its Pindus Mountains setting.

The oldest known tree in Europe

Friday, August 19, 2016
Tree-Ring Lab researchers were part of the group that identified the oldest known tree in Europe.
Read more
  • Read All News

Wednesday, January 18

  • 10:00 AM to 11:00 AM
    FREE Docent-led Tour

Friday, January 20

  • 12:00 PM to 1:00 PM
    Tree Ring Grad Student Pizza Party/ Earthweek planning session

Wednesday, January 25

  • 3:00 PM to 5:00 PM
    Tour for National Advanced Fire and Resource Institute (NAFRI) M-580 course

See Calendar →

Bryant Bannister Tree-Ring Building, 1215 E. Lowell Street, Tucson, AZ 85721-0045, USA [email protected] 520-621-1608

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