<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:tahoma, new york, times, serif;font-size:10pt"><DIV>Hi Rhea,</DIV>
<DIV>Thanks for sharing this interesting experience with the network. I would only add to be careful when doing such cribs to not change the soil level at the base of the trunk. If the roots can resist being in constant humid soil, it's not the case for the stem bark, at least for certain species. I've seen a mature and healthy white spruce dying within a year because of a 2'' soil level change, and then, an ash tree because their owner filled up a 1 foot tall crib around it. Buried bark had decayed in both cases, interrupting sap flow down the phloem (apparently).<BR></DIV>
<DIV>Happy Thanksgiving everyone!</DIV>
<DIV> </DIV>
<DIV>Bruno Chicoine</DIV>
<DIV>Project Manager</DIV>
<DIV>Tree Canada</DIV>
<DIV>613.567.5545 x.225</DIV>
<DIV style="FONT-FAMILY: tahoma, new york, times, serif; FONT-SIZE: 10pt"><BR>
<DIV style="FONT-FAMILY: arial, helvetica, sans-serif; FONT-SIZE: 13px"><FONT size=2 face=Tahoma>
<HR SIZE=1>
<B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B> "canufnet-request@list.web.net" <canufnet-request@list.web.net><BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> canufnet@list.web.net<BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Thu, October 8, 2009 12:00:18 PM<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> CANUFNET Digest, Vol 59, Issue 6<BR></FONT><BR>Send CANUFNET mailing list submissions to<BR> <A href="mailto:canufnet@list.web.net" ymailto="mailto:canufnet@list.web.net">canufnet@list.web.net</A><BR><BR>To subscribe or unsubscribe via the World Wide Web, visit<BR> http://list.web.net/lists/listinfo/canufnet<BR>or, via email, send a message with subject or body 'help' to<BR> <A href="mailto:canufnet-request@list.web.net" ymailto="mailto:canufnet-request@list.web.net">canufnet-request@list.web.net</A><BR><BR>You can reach the person managing the list
at<BR> <A href="mailto:canufnet-owner@list.web.net" ymailto="mailto:canufnet-owner@list.web.net">canufnet-owner@list.web.net</A><BR><BR>When replying, please edit your Subject line so it is more specific<BR>than "Re: Contents of CANUFNET digest..."<BR><BR><BR>Today's Topics:<BR><BR> 1. exposed pounded root zones (Rhea Dawn Mahar)<BR> 2. Re: exposed pounded root zones (<A href="mailto:jtree@e-aurora.ca" ymailto="mailto:jtree@e-aurora.ca">jtree@e-aurora.ca</A>)<BR><BR><BR>----------------------------------------------------------------------<BR><BR>Message: 1<BR>Date: Wed, 07 Oct 2009 15:47:44 -0300<BR>From: "Rhea Dawn Mahar" <<A href="mailto:maharrd@gov.ns.ca" ymailto="mailto:maharrd@gov.ns.ca">maharrd@gov.ns.ca</A>><BR>Subject: [CANUFNET] exposed pounded root zones<BR>To: <<A href="mailto:canufnet@list.web.net" ymailto="mailto:canufnet@list.web.net">canufnet@list.web.net</A>><BR>Message-ID: <<A
href="mailto:4ACCB8230200004C0004905F@fs40.nws.gov.ns.ca" ymailto="mailto:4ACCB8230200004C0004905F@fs40.nws.gov.ns.ca">4ACCB8230200004C0004905F@fs40.nws.gov.ns.ca</A>><BR>Content-Type: text/plain; charset=US-ASCII<BR><BR>Dear Canufnet:<BR><BR>I am seeking solutions to conserving mature trees that are in high foot traffic zones where the roots are becoming exposed above ground. <BR><BR>Several years ago I built "cribs" out of logs over roots of white spruce trees near a playground where the children were loving the trees to death. They were tripping over the exposed roots that evolved from pairs of pounding little feet over the years. I then filled the cribs with soil and planted understory plants in them. That was seven years ago and a recent visit found the trees were very much alive and healthy and the students walked between these large cribs and also benefited from the seating created.<BR><BR>I am up against a similar situation and would
like to implement the same solution, yet the school principal is being told by some source and is adamant that there is nothing you can do about the exposed roots and that my suggestion would kill the trees by rotting the roots.<BR><BR>Could one install cribs--for seating and to contain a mulch? Or could one use my previous technique of building cribs to fill with soil and understory plant? I am seeking voices of experience with credentials--canufnet!--for advice.<BR><BR>Regards,<BR>Rhea Dawn Mahar<BR><BR>_______________________<BR><BR>Rhea Dawn Mahar<BR>School Ground Greening Consultant<BR>Evergreen<BR>tel: (902) 424-3107<BR>fax: (902) 424-0732<BR>Email: <A href="mailto:maharrd@gov.ns.ca" ymailto="mailto:maharrd@gov.ns.ca">maharrd@gov.ns.ca</A><BR><BR>PO Box 481 CRO<BR>Halifax, Nova Scotia <BR>Canada B3J 2R7<BR><BR>This email and any files transmitted with it are confidential and intended solely for the use of the individual or
entity to whom they are addressed. If you have received this email in error please notify the Sender and delete all copies of this email. Please note that any views or opinions presented in this email are solely those of the author and do not necessarily represent those of Evergreen. The recipient should check this email and any attachments for the presence of viruses. Evergreen accepts no liability for any damage caused by any virus transmitted by this email.<BR><BR><BR><BR>------------------------------<BR><BR>Message: 2<BR>Date: Wed, 7 Oct 2009 15:35:00 -0400<BR>From: <<A href="mailto:jtree@e-aurora.ca" ymailto="mailto:jtree@e-aurora.ca">jtree@e-aurora.ca</A>><BR>Subject: Re: [CANUFNET] exposed pounded root zones<BR>To: <<A href="mailto:canufnet@list.web.net" ymailto="mailto:canufnet@list.web.net">canufnet@list.web.net</A>><BR>Message-ID:<BR> <<A
href="mailto:0F550A29E5780E4FBB5032DA0F64ED030135C1AC@moscow.AURORA.LOCAL" ymailto="mailto:0F550A29E5780E4FBB5032DA0F64ED030135C1AC@moscow.AURORA.LOCAL">0F550A29E5780E4FBB5032DA0F64ED030135C1AC@moscow.AURORA.LOCAL</A>><BR>Content-Type: text/plain; charset="us-ascii"<BR><BR>We here in Aurora On. experienced exactly the same problem in one of our<BR>parks in close proximity to a public school , Our simple solution was<BR>to apply a generous covering of well composted wood chip mulch over the<BR>exposed roots , once the mulch consolidates it stays put and works well<BR>to provide a supple cushioning effect over the roots as well as a host<BR>of other positive side effects , the only thing we found is that it<BR>requires topping up on occasion , The trees , all Sugar maple ,have<BR>never looked better. <BR>Hope this helps<BR>Jim Tree<BR>Manager of Parks <BR>-----Original Message-----<BR>From: <A
href="mailto:canufnet-bounces@list.web.net" ymailto="mailto:canufnet-bounces@list.web.net">canufnet-bounces@list.web.net</A><BR>[mailto:<A href="mailto:canufnet-bounces@list.web.net" ymailto="mailto:canufnet-bounces@list.web.net">canufnet-bounces@list.web.net</A>] On Behalf Of Rhea Dawn Mahar<BR>Sent: Wednesday, October 07, 2009 2:48 PM<BR>To: <A href="mailto:canufnet@list.web.net" ymailto="mailto:canufnet@list.web.net">canufnet@list.web.net</A><BR>Subject: [CANUFNET] exposed pounded root zones<BR><BR>Dear Canufnet:<BR><BR>I am seeking solutions to conserving mature trees that are in high foot<BR>traffic zones where the roots are becoming exposed above ground. <BR><BR>Several years ago I built "cribs" out of logs over roots of white spruce<BR>trees near a playground where the children were loving the trees to<BR>death. They were tripping over the exposed roots that evolved from pairs<BR>of pounding little feet over the years. I then filled the
cribs with<BR>soil and planted understory plants in them. That was seven years ago and<BR>a recent visit found the trees were very much alive and healthy and the<BR>students walked between these large cribs and also benefited from the<BR>seating created.<BR><BR>I am up against a similar situation and would like to implement the same<BR>solution, yet the school principal is being told by some source and is<BR>adamant that there is nothing you can do about the exposed roots and<BR>that my suggestion would kill the trees by rotting the roots.<BR><BR>Could one install cribs--for seating and to contain a mulch? Or could<BR>one use my previous technique of building cribs to fill with soil and<BR>understory plant? I am seeking voices of experience with<BR>credentials--canufnet!--for advice.<BR><BR>Regards,<BR>Rhea Dawn Mahar<BR><BR>_______________________<BR><BR>Rhea Dawn Mahar<BR>School Ground Greening Consultant<BR>Evergreen<BR>tel: (902)
424-3107<BR>fax: (902) 424-0732<BR>Email: <A href="mailto:maharrd@gov.ns.ca" ymailto="mailto:maharrd@gov.ns.ca">maharrd@gov.ns.ca</A><BR><BR>PO Box 481 CRO<BR>Halifax, Nova Scotia<BR>Canada B3J 2R7<BR><BR>This email and any files transmitted with it are confidential and<BR>intended solely for the use of the individual or entity to whom they are<BR>addressed. If you have received this email in error please notify the<BR>Sender and delete all copies of this email. Please note that any views<BR>or opinions presented in this email are solely those of the author and<BR>do not necessarily represent those of Evergreen. The recipient should<BR>check this email and any attachments for the presence of viruses.<BR>Evergreen accepts no liability for any damage caused by any virus<BR>transmitted by this email.<BR><BR><BR><BR><BR>End of CANUFNET Digest, Vol 59, Issue 6<BR>***************************************<BR></DIV></DIV></div><br>
</body></html>