Lake Julian Hollies.

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KoutaR
Posts: 668
Joined: Tue Mar 16, 2010 3:41 am

Re: Lake Julian Hollies.

Post by KoutaR » Thu Jan 06, 2011 10:50 am

James,

I looked at the Register still once. I understood it not correctly: I thought @ is DBH, but it is not. Perhaps it is the height where the girth has been measured?

The register is here:

http://www.treeregister.org/pdf/Champio ... 0May06.pdf

The biggest girth on holly is 547 cm, the mean DBH is then 170 cm.

Kouta

Jeroen Philippona
Posts: 117
Joined: Thu Mar 18, 2010 11:52 am

Re: Lake Julian Hollies.

Post by Jeroen Philippona » Sat Jan 08, 2011 3:04 pm

Kouta, James,

Indeed in the British Tree Register @ in this case means "measured at the height of". Standard height for measuring CBH and DBH is 5 ft (1,52 m) in the UK. In Belgium it is 1,5 m, in most European countries 1,3 m. The American height of 4,5 ft (1,37 m) is nowhere used in Europe.

The part of the Tree Register Kouta has send is the open accessible part, with only native species and few specimen. At the part only acessible for members there is a much larger number of (non native) species and many individual trees, for example champion trees for all ditricts and counties.

The largest Hollies in the Netherlands seem to be around 20 m (65 ft) tall and have a cbh of around 4 m. Perhaps there are taller but I have not measured them.

Jeroen

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James Parton
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Joined: Wed Mar 10, 2010 5:47 pm

Re: Lake Julian Hollies.

Post by James Parton » Sat Jan 08, 2011 8:57 pm

Jeroen,

I don't think the difference in measuring the girth of trees at 4.5', 1.3m or 5' makes that much of a difference, at least in most cases.

While 65 feet is tall for a holly, 4m cbh is really large. Bigger than anything I have seen.
James E Parton
Ovate Course Graduate - Druid Student
Bardic Mentor
New Order of Druids

http://www.druidcircle.org/nod/index.ph ... Itemid=145

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