[CANUFNET] How big a tree can be moved? (Without killing it that is)

[David Stevenson]

Thanks Julian,

I will look up the book you mentioned and check the ISA site. Cost is obviously a factor not being as rich as Disney Corp! I also am hesitant to suggest moving anything that has a high chance of becoming kindling. 

Thanks for the input,

David Stevenson


----- Original Message ----
From: Julian Dunster <jadunster at gmail.com>
To: Canadian Urban Forest Network <canufnet at list.web.net>
Sent: Saturday, April 19, 2008 8:05:06 PM
Subject: Re: [CANUFNET] How big a tree can be moved? (Without killing it that is)

 
The size you describe should be simple enough. In 
reality I am not sure there is a limit to the the size that can be moved. I 
recently saw a very large ficus at Hong Kong disneyland that was moved on an 
enormous flat bed. In the US specialised companies regularly move enormous trees 
successfully. It just takes time and lots of money. Check the ISA web site and 
catologue. I think it's Watson and Himelinck that is the book you seek for more 
info.
 
jd
----- Original Message ----- 
From: David  Stevenson 
To: canufnet at list.web.net 
Sent: Thursday, April 17, 2008 5:37  AM
Subject: [CANUFNET] How big a tree can be  moved? (Without killing it that is)

Hello All,

I have been receiving conflicting information about the  size of tree that can be successfully moved with a tree spade. I have heard  anywhere from 18" dbh (from a contractor who wants to move the trees) to 5"  dbh (from a developer who doesn't want to pay to move them). While there is no  point in moving trees that are going to just give up the ghost, there must be  some diameter above which the success rate drops off unacceptably. Just  wondering if anyone has any experience in the matter.

The trees in  question are predominantly Colorado Blue Spruce planted ~20 years ago from  nursery stock. They range in dbh from 7-11" and 5-7m in height.

Does  anyone have any information about the successful moving of large caliper trees  or know of anyone or anywhere I can find this information? 

Cheers,


David Stevenson, MScF,  RPF
Consulting  Forester,
KBM Forestry  Consultants Inc.
807 345-5445  x239

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