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Tree Stability

Tree Stability

Tree Stability

(OP)
I'm looking for information on the affects of cutting tree roots and the resulting tree stability.  Specifically, I'm dealing with a wet soil consition with shallow roots and I'm not sure as to the extent I may be able to cut the roots for a shallow excavation for installing an adjacent trail.  Any information or literature references would be appreciated.

RE: Tree Stability

When you start cutting roots, you can esaily kill the tree as well as make it unstable.  I'd consult an arborist.

RE: Tree Stability

We've always used as a general rule of thumb that the roots can extend out as far as the dripline of the tree (the most outer edge of the leaf canopy).  So if you maintain a buffer (say 1 - 2m) outside of the dripline you might be okay.

However, as LTAPJim suggested, you'd be wise to consult with an arborist or landscape architect that knows about these things.

RE: Tree Stability

In some parts of the world, an "arborist" will be known as an "arboriculturist".  I strongly support the advice to consult such a specialist, particularly if  1) the tree(s) is/are protected by law or if  2) there is risk of death or injury or damage to property in the event that the tree falls.

Please note that some trees will not tolerate any additional burial of their roots or mounding of soil around the base of the trunk.

If you DO opt to cut the roots, having decided that there is little or no risk to the tree, consider the long term effects of any dead severed roots which remain in the ground.

I look forward to further responses to your interesting query.

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