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Originally Posted by Ekka  Tree rings can be unreliable in tropical/semi tropical areas like where I live as there's more than one growing season and you can have many rings for 1 year. |
Do they keep a record of cut trees for which ages are clearly known, as a gauge to compare with?
I was thinking about how how core samples have been taken out of very old European buildings for which the dates are known (the timbers), and how those can be used to verify the age of of antique musical instruments supposedly from the same era. I think Dr. Shigo mentioned it in his tree biology book, too.