this post was submitted on 16 Mar 2025
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Science Memes

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dendrochronology (lemmy.dbzer0.com)
submitted 1 week ago by [email protected] to c/[email protected]
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[–] [email protected] 2 points 1 week ago (1 children)

It’s the main accurate way, at least for living trees.

Not if they are supposed to still be alive afterwards

[–] [email protected] 1 points 1 week ago* (last edited 1 week ago)

They usually use a coring device. In theory it should survive just fine although I don’t know that long term effects are well-studied.

But I mean this is one reason some big old trees have such bogus ages reported. Either they’re too big to reasonably core or they don’t want to risk any damage. Or sometimes the middle of the tree is too rotten to count the rings. It’s OK to say we don’t know the age rather than making something up.