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The dendro-provenancing technique shows where the trees used for Chaco Canyon great house timbers grew, and how this source area changed in the eleventh century.
Our Exhibit Hall will be open on Saturday, October 10 from 9AM-Noon for UA Family Weekend. Come join the fun!
LTRR researchers Soumaya Belmecheri and Valerie Trouet are lead authors of a study showing the current Sierra Nevada snowpack to be the smallest in 500 years.
LTRR Director candidates are giving public talks in April and May.
Please join us in celebrating Tree-Ring Day, Tuesday, April 7 during Earth Week at Bryant Bannister Tree-Ring Building.
Margaret Evans from the LTRR in an environmental education innovation.
A newspaper article highlights the career of retiring LTRR Director Tom Swetnam.
Articles teaching tree rings to kids appear in a newsletter.
A local newspaper highlights Matt Salzer's bristlecone pine work.
The American Association for the Advancement of Science has elected LTRR director Tom Swetnam as a Fellow
An art exhibit, “Marking Time to a Changing Planet”, is now on display in the Bannister Building.
Agnese Haury's generosity gave the Tree-Ring Lab its new home; The University is honoring her final gift.
