Thuja occidentalis

General discussions of measurement techniques and the results of testing of techniques and equipment.

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miwinski
Posts: 9
Joined: Fri Oct 16, 2015 10:06 am

Re: Thuja occidentalis

Post by miwinski » Sun Sep 25, 2016 10:22 am

No offense taken, I was not aware that Door County was part of the same escarpment! That makes sense now when I think about it. Thanks. Has anyone tried boring some of the trees to see how old they are?

wisconsitom
Posts: 181
Joined: Sat Feb 13, 2016 4:08 pm

Re: Thuja occidentalis

Post by wisconsitom » Mon Oct 17, 2016 8:17 am

Years ago-back in the late 70's, I did a bunch of increment borings of white cedar all over this neck of the woods, but that data is hopelessly lost. I was comparing site index to soil pH, as white cedar is a known calciphile. But again, sorry to say, I didn't do a very good job of retaining that info.

Dolomitic limestone appears to be key for top-notch white cedar development. So, that type of limestone forms the bedrock of such places as Door County WI, the Bruce Peninsula in S. Ontario, the lands around Niagara Falls, etc. The tree will grow in sandy, acid soil areas too, but is at its best in neutral, limestone regions.

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