The world’s oldest tree, known as “Great-Grandfather,” is 5,484 years old.

The Great-Grandfather, a four-meter-thick Patagonian cypress, has been determined by Chilean experts to be the world’s oldest living tree, surpassing the previous record-holder by more than 600 years.
Jonathan Barichivich, a Chilean researcher at the Climate and Environmental Sciences Laboratory in Paris, examined the coniferous tree, also known as Alerce Milenario in Spanish, and discovered that it may be at least 600 years older than the previous competitor at 5,484 years. The announcement was described as a “marvelous scientific discovery” by Maisa Rojas, Chile’s environment minister and a member of the UN Intergovernmental Panel on Climate Change, according to The Guardian.

The Patagonian cypress (Fitzroya cupressoides), also called the alerts in Spanish, is a tree that is indigenous to Chile and Argentina and is a member of the same family as enormous redwoods.

In 2020, Barichivich took a sample of the Great-Grandfather but was unable to drill through to the center of it. The age of the tree was then calculated using computer models that accounted for random variation and environmental conditions.

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