A swept stem of some character, might have been caused by a heavy fall of
snow when it was young. If it has regained the vertical further up then you
are entitled to consider it stable, subject to a bit of scrutiny around the
root plate, but I don't recommend a lot of excavation. Certainly a case for
retaining a bit of understorey depending on the wider context viz a viz wind.
I doubt you need to impose an annual inspection programme but you could
recommend a watching brief for snow in particular. That's my two pennorth but
I admit I don't do much inspecting these days.
From: Sarah Johnston [mailto:firstname.lastname@example.org]
Sent: 08 February 2012 18:32
To: UK Tree Care
Subject: Leaning Tree
I have just surveyed the tree in the photos 20m high D.B.H 890, lean about
30 degrees north, stem then curves. The majority of the limbs are on the
other side to the lean. There are two reasonably sized buttress roots to the
south and west. The root plate is covered in dense Ivy client is going to
remove it all so I have a look.
There are no obvious signs of banana cracks above or below on the stem.
The tree has grown this way in response to light source as far as I can tell.
The tree has obviously formed compression wood. It is surround on three sides
by self seed Sycamores, some of which are to be removed.
Foliage appears healthy no necrotic or chlorotic tissue. Good extension
growth. Targets are a grave at the base and several others within root plate,
a footpath and adjacent yard mostly used for parking of machinery.
Has any one had experience of trees this size with significant lean in public
access spaces? The targets cannot be moved. Given the tree (pending
inspection of the root plate) appears healthy, vigorous and has withstood
recent heavy storms I am loathe to recommend removal, does anyone have
suggestions other than annual inspection or removal.
It just isn't going to respond well to a massive reduction!
Would it be prudent to undertake detailed root excavation to determine their
condition? Any thoughts welcome.
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