2/ trees are measured as "diameter at chest height." 5 trees that are 10" dia = 1 cordpic.twitter.com/XVjypIyxLu
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2/ trees are measured as "diameter at chest height." 5 trees that are 10" dia = 1 cordpic.twitter.com/XVjypIyxLu
4/ the next question, obviously, is "how long does it take a tree to grow from nothing to 10" DBH ?"
5/ I've googled that in the past and forget the answer, and I can't find it in wiki
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