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<DIV>I’d cut the basket off where the metal meets the wood, and not worry about
the metal inside the tree. The tree will grow over the remainder with no
effect on the tree. If you were to cut the tree down, oaks (it looks like
a bur oak) will have some blue discolouration in the immediate area around metal
objects, but they aren’t harmed by it.</DIV>
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<DIV>I don’t have a reference for the roots, but the roots that grow on the
uphill side will be very large compared to the ones on the lower side in my
experience. If you cut the upper side roots the tree could fall over
immediately. It’s happened to me. If they are just impacted and not
cut immediately, they could rot from being damaged and the tree could fall
downhill within a few years.</DIV>
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<DIV style="FONT-SIZE: 12pt; FONT-FAMILY: 'Calibri'; COLOR: #000000">Stephen
Smith<BR>ISA Certified Arborist, Urban Forester<BR>Urban Forest Associates</DIV>
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<DIV style="font-color: black"><B>From:</B> <A title=canufnet@list.web.net
href="mailto:canufnet@list.web.net">Astrid Nielsen via CANUFNET</A> </DIV>
<DIV><B>Sent:</B> Thursday, July 27, 2017 3:53 PM</DIV>
<DIV><B>To:</B> <A title=canufnet@list.web.net
href="mailto:canufnet@list.web.net">Canadian Urban Forest Network</A> </DIV>
<DIV><B>Subject:</B> [CANUFNET] Looking for advice on metal in trees and trees
on slopes</DIV></DIV></DIV>
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<DIV dir=ltr>Hello fellow Canufnet members,
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<DIV>I came across this tree today...the metal basket has been there for quite
sometime, and there are large screws holding it in. There are also other nails
in the tree. I am looking for an opinion on what is the best course of action. I
am thinking that part of the basket that has not grown into the tree should be
removed, but any parts where the tree has started to grow around should stay. In
other words, if removal exposes the cambium layer, it should stay. Any thoughts
on this?</DIV>
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<DIV>On another topic, I am looking for good references that look at the
structure of tree roots growing on steep slopes. i.e. how do they grow
differently than trees on flatter ground? I would like to apply this information
to help me predict the impact of trees on slopes that will be exposed to major
construction. The most important factor that I am interested in is
stability.</DIV>
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<DIV>Thanks for your help,</DIV>
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<DIV>Astrid<BR clear=all>
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<DIV dir=ltr><FONT face="verdana, sans-serif"><SPAN
style="FONT-SIZE: small">__________________________________________</SPAN><BR
style="FONT-SIZE: small"><SPAN style="FONT-SIZE: small"><B>Astrid
Nielsen</B></SPAN></FONT></DIV>
<DIV dir=ltr><FONT face="verdana, sans-serif"><FONT size=2>MFC, RPF, ISA
Certified</FONT><SPAN style="FONT-SIZE: small"> Arborist®</SPAN></FONT></DIV>
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<DIV><FONT face="verdana, sans-serif"><A style="FONT-SIZE: 12px"
href="mailto:astrid.nielsen@dendronforestry.ca"
target=_blank>astrid.nielsen@dendronforestry.ca</A><BR></FONT></DIV>
<DIV>
<DIV><FONT face="verdana, sans-serif">+1.613.805.WOOD (9663)</FONT></DIV></DIV>
<DIV><FONT face="verdana, sans-serif"><BR></FONT></DIV>
<DIV><FONT face="verdana, sans-serif"><A href="http://www.dendronforestry.ca"
target=_blank>www.dendronforestry.ca</A></FONT></DIV>
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