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BillyReeder's picture
Log taper.

Is there a formula out there for calculating taper on a standing tree. For instance if I had a standing pine tree that was 14" at the base and I wanted to know the diameter at a height of 40' is there a way to figure this?

r.garrison1's picture

I don't think there is anything but experience; estimating.

I have some trees that grew in the open a bit, and some that grew clustered. They are different diameter even 20' off the ground.

Post Oakie
Post Oakie's picture

Like R.Garrison says, too much variation for a standard formula.  Cut down a few trees and measure the taper of the logs and you'll get a feel for it.  Here's an equation on Wikipedia: https://en.wikipedia.org/wiki/Tree_taper.  By the time I had it figured out, I could have cut down the tree and measured it!  That "simple" equation may not be enough for inquiring minds, so here's a link to a more detailed study: http://www.bodley.ox.ac.uk/users/millsr/isbes/ODLF/IP32.pdf.  I might read it some day, but for now, just eyeballing is good enough for me.

BillyReeder's picture

Thanks guys!!!

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