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RE: Ivy and trees

Subject: RE: Ivy and trees
From: dscottcul
Date: Dec 02 2003 11:46:46
I found a few sites that may be of interest because they seem to list some 
research publications.  You'll note these are from the US in environments 
where H.h. has become invasive.  Advice for the native, UK range may vary.

http://www.noivyleague.com/index.html
http://www.nps.gov/plants/alien/fact/hehe1.htm
http://www.ivyout.org/index.html
ftp://dnr.metrokc.gov/dnr/library/2002/kcr1007.pdf
www.co.arlington.va.us/prcr/scripts/parks/ivy.pdf 
http://www.nps.gov/plants/alien/pubs/midatlantic/hehe.htm

This by Andrew Cowan may be better for UK
http://www.the-tree.org.uk/EnchantedForest/ivy.htm
--
Scott Cullen
Why not get in contact with the following group, its a little the same as 
Tree 
care!

its a site for those people who like and study "Ivy!" And yes there are 
people 
out there who do!

Algae@xxxxxxxxxxxx.com


-----Original Message-----
From: dscottcul@xxxx.net [mailto:dscottcul@xxxx.net]
Sent: 02 December 2003 11:16
To: UK Tree Care
Subject: Re: Ivy and trees


Bettina I saw something recently but I don't recall if I saved it.  Mostly 
the 
same conventional wisdom.....  Ivy does not "strangle" a tree.  Biggest 
problems are shading out tree foliage leading to tree decline and 
increasing 
wind drag.  The latter can be overstated by the anxious to prune arb.  
There 
needs to be a more than usual risk of failure IMO.

The other concerns are for the arb.... harder to climb, harder to inspect 
for 
structural problems.  Somehow these trees with ivy survived for millenia 
without our risk inspections.

I do recall now the source I saw recently was a UK web site.  Showed the 
quintessential English cottage covered in vines.

Another issue is rodent habitat.  Just this week we're having quite a 
problem 
with squirrels having chewed through the roof shingles and running around 
in 
the rafters.  Their easiest path to the roof was up a too close hemlock, 
thence up the ivy wrapped so picturesquely around the chimmney to the roof.

SC

--
Scott Cullen
Morning all,
Can anyone point me in the right direction for current information on Ivy 
in
trees and its affect (or not) on the tree?  All I have is an AAIS note 
from
1990 by Derek Patch.  Many thanks,
B

P.S. Thanks for all the info on red wine and corks.  Looks like I will 
have
to change where I shop in future.

Bettina Broadway-Mann
Tree Preservation Officer
Strategic Planning and Neighbourhood Renewal
(029) 20873214 


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