As a professional arborist for over 30 years, back when we were" tree surgeons", I would predict significant damage from this project. My reason is that it appears from the photo that a lot of fill was placed above a significant portion of the root system, and I have noticed over the years that I get a lot of work taking down particularly ash and sugar maple trees that have been "saved" where new houses were put in and some fill was added. This business is taking down and removing these trees that have died within a year of two of the construction. It is hard to judge however what will happen in a particular case, after all in rare circumstances trees grow over a girdling cable that should have killed them. The best procedure, if one was concerned about the tree would have been to wind the paved path away from the tree.
Bart Bouricius 2010/1/13 Jeffrey Morris <[email protected]> > Interjecting my experience here; > Most damage occurs to shallow rooted trees, which do not have extensive > root systems,and the best example would be blue spruce, young hemlocks. > I have seen damage to many different Maples, and Tilia cordata, and more > than a few Platanus. > Most of the trees with a more penetrating root system--tap root if you want > to call it that- seem less damaged. I have seen Quer. palustris, Ginko, > Liquidambar, survive after having one whole side of their root system cut > out for city sidewalks. > The damage that occurs just stresses the trees out, and makes them > susceptible to insect damage, and diseases. > To help with this, we have gone to using track machines that have a > "softer"footprint, and in tough conditions around the bases of trees we lay > plywood to distribute weight. > See--I have a problem with Architects, Engineers, and construction > companies that live by the GIT'R Done mentality--rip an tear, and get paid. > AT WHAT COST? > I will save my rants for later-- > TREES are the answer > Jeffrey > > ------------------------------ > From: [email protected] > To: [email protected] > Subject: RE: [ENTS] tree root compaction questions > Date: Wed, 13 Jan 2010 07:06:37 +0000 > > > Gaines- > As the restoration forester and hazard tree coordinator for Grand Canyon > National Park, I had opinions of past practices at the Park...the North Rim > Campground parking lot was paved, which wasn't necessary but did make it > neater...especially the 3' + ponderosa pines that had 0 clearance around > their base...no thinking at all about where the pines might get their water, > just wanting to look neat... > -Don > > > Date: Tue, 12 Jan 2010 20:08:42 -0500 > > Subject: Re: [ENTS] tree root compaction questions > > From: [email protected] > > To: [email protected] > > CC: [email protected] > > > > Eli and Don: > > > > This is a nice story--you don't this level of care very often. > > > > But I am a long time observer of tree root compaction, walkway > > construction, etc and the effect on trees. I applaud everyone who is > > concerned and takes special steps to avoid unnecessary impacts. > > > > But there is not always, even if steps are not taken, a severe > > impact. I have a lot of stories I could tell about situations where I > > thought there would be some dire consequences from careless and ill > > advised "activity" very near trees, and ultimately, didn't see any. I > > will just cite the Avenue of the Giants in Humboldt Redwood State > > Park. The redwoods seem, at least so far, to have not been adversely > > affected by having the road constructed, in some cases literally right > > up against the bases of these great trees. > > > > Not all trees have the same tolerance of such > > activity/disruption--just one example: tuliptrees--one of my favorite > > species--are very, very sensitive and one should stay away from them > > as much as possible with any such activities. > > > > --Gaines > > ------------------------------ > Your E-mail and More On-the-Go. Get Windows Live Hotmail Free. Sign up > now. <http://clk.atdmt.com/GBL/go/196390709/direct/01/> > ------------------------------ > Hotmail: Trusted email with Microsoft’s powerful SPAM protection. Sign up > now. <http://clk.atdmt.com/GBL/go/196390706/direct/01/> > > -- > Eastern Native Tree Society http://www.nativetreesociety.org > Send email to [email protected] > Visit this group at http://groups.google.com/group/entstrees?hl=en > To unsubscribe send email to > [email protected]<entstrees%[email protected]> > Email Options: http://groups.google.com/group/entstrees/subscribe?hl=en > >
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