[CANUFNET] CANUFNET Digest, Vol 199, Issue 26

Corkum-Gorrill, Jessika jcorkumgorrill at charlottetown.ca
Tue Oct 26 13:22:18 EDT 2021 

Many thanks for taking the time to reply!

-----Original Message-----
From: CANUFNET <canufnet-bounces at list.web.net> On Behalf Of Tyler Farley via CANUFNET
Sent: October 26, 2021 1:33 PM
To: canufnet at list.web.net
Cc: Tyler Farley <TFarley at cumberland.ca>
Subject: Re: [CANUFNET] CANUFNET Digest, Vol 199, Issue 26

Hello Jessika,

I think the best thing for large roots would be to rock armour on either side of the tree roots to create a bit of a rock mosaic that extends above the roots. Then use mineral soil as a mortar to hold it all together and pack the surface down. If built well it will look like a rock puzzle and will become and interesting trail feature that can last for many years. For a collection of smaller roots I would create a rock retaining wall using the biggest stones you can find on the outside edge of the trail. You can then begin raising the trail surface up above the roots with mineral soil. 

A couple words of caution. Do not use woodchips or other organic materials for a trail surface as they will break down and turn into mud, which no one wants to ride or walk through. Organics will also trap moisture and negatively impact drainage off trail, leading to puddling and eventually trail widening/braiding. It is best to use mineral soil located underneath the organic soil layer to cap your trail surfaces unless you can import gravels onto site easily.

Good luck.

Tyler Farley
Parks, Trails, and Lands Supervisor
RB Tech, ISA TRAQ Certified Arborist

2673 Dunsmuir Ave
Cumberland BC, V0R 1S0
tfarley at cumberland.ca
250-336-3012



-----Original Message-----
From: CANUFNET <canufnet-bounces at list.web.net> On Behalf Of canufnet-request at list.web.net
Sent: October 26, 2021 8:00 AM
To: canufnet at list.web.net
Subject: CANUFNET Digest, Vol 199, Issue 26

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Today's Topics:

   1. Re: Tree roots and bike trails (Shawn Gurney)
   2. Re: Tree roots and bike trails (Ryan Senechal)
   3. Re: Tree roots and bike trails (pwassenaer1022 at rogers.com)


----------------------------------------------------------------------

Message: 1
Date: Tue, 26 Oct 2021 14:26:56 +0000
From: Shawn Gurney <SGurney at abbotsford.ca>
To: Canadian Urban Forest Network <canufnet at list.web.net>
Subject: Re: [CANUFNET] Tree roots and bike trails
Message-ID:
	<827503790F7DBC4EB22F9EF733B8A55001EA081F61 at srv-cth-exch01.Abbotsford.loc>
	
Content-Type: text/plain; charset="windows-1252"

They will be gradually damaged if left exposed to bike and foot traffic.  Best to bridge them or armour them with aggregate, soil or wood mulch.

Shawn Gurney, Dipl. Tech.
Urban Forester,
Parks, Recreation and Culture
(604) 853-5485 lcl. 5884
[Operations Yard]
?Look deep into nature, and then you will understand everything better.? ~Albert Einstein ________________________________
From: CANUFNET [canufnet-bounces at list.web.net] on behalf of Corkum-Gorrill, Jessika via CANUFNET [canufnet at list.web.net]
Sent: October 26, 2021 5:14 AM
To: Canadian Urban Forest Network
Cc: Corkum-Gorrill, Jessika
Subject: [CANUFNET] Tree roots and bike trails


Hello,



Does anyone have experience or thoughts on exposed tree roots within mountain biking trails and whether more damage is caused by covering them up with soil or leaving exposed and riding over them?



Thank-you!
Jessika



Jessika Corkum-Gorrill
Forest and Environmental Officer

City of Charlottetown
PO Box 98, 199 Queen Street
Charlottetown, Prince Edward Island
C1A 7K2
902-629-4122

jcorkumgorrill at charlottetown.ca<mailto:jcorkumgorrill at charlottetown.ca>
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This e-mail and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. Any views or opinions presented are solely those of the author and do not necessarily represent those of the City of Charlottetown. If you are not the intended recipient, be advised that you have received this e-mail in error and that any use, dissemination, forwarding, printing or copying of this e-mail is strictly prohibited. Please notify the sender immediately by e-mail if you have received this e-mail by mistake and delete this e-mail from your system.
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------------------------------

Message: 2
Date: Tue, 26 Oct 2021 07:33:28 -0700
From: Ryan Senechal <ryansenechal at gmail.com>
To: Canadian Urban Forest Network <canufnet at list.web.net>
Subject: Re: [CANUFNET] Tree roots and bike trails
Message-ID:
	<CAJf+-wwsutLGpRV-pLUJ0qAikLEMnY8vv42ff20c6pq0A0cm0g at mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Hi Jessika
The international Mountain Biking Association (IMBA) produces some good trail building resources that its members have access to. You might have some members with mtb trail building expertise in town that it would be God to reach out to ahead of time.

Depending on slope and drainage, you can either use large natural features (logs, rocks) to guide traffic around the erosion, or use rock armoring to get the riding surface above the roots and give soil something to bond to.

Ryan

On Tue., Oct. 26, 2021, 06:57 Corkum-Gorrill, Jessika via CANUFNET, < canufnet at list.web.net> wrote:

> Hello,
>
>
>
> Does anyone have experience or thoughts on exposed tree roots within 
> mountain biking trails and whether more damage is caused by covering 
> them up with soil or leaving exposed and riding over them?
>
>
>
> Thank-you!
> Jessika
>
>
>
>
>
> *Jessika Corkum-Gorrill*
>
> *Forest and Environmental Officer*
>
>
>
> *City of Charlottetown*
>
> PO Box 98, 199 Queen Street
>
> Charlottetown, Prince Edward Island
>
> C1A 7K2
>
> 902-629-4122
>
>
>
> jcorkumgorrill at charlottetown.ca
>
> https://can01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.c
> harlottetown.ca%2F&data=04%7C01%7Ctfarley%40cumberland.ca%7C24170e
> 8589074db1e69608d998956789%7C39ecdc575b70457d914348f3df05ac52%7C0%7C0%
> 7C637708589719827186%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQI
> joiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=nVvOFLo5LMq
> 4E37cXsB0iotOY%2BjPnYavxTGVH8ag4Aw%3D&reserved=0
>
>
>
> [image: Description: cid:image001.jpg at 01D1972A.003096E0]
>
>
>
> Please consider the environment before printing this e-mail!
>
>
>
> This e-mail and any files transmitted with it are confidential and 
> intended solely for the use of the individual or entity to whom they 
> are addressed. Any views or opinions presented are solely those of the 
> author and do not necessarily represent those of the City of 
> Charlottetown. If you are not the intended recipient, be advised that 
> you have received this e-mail in error and that any use, 
> dissemination, forwarding, printing or copying of this e-mail is 
> strictly prohibited. Please notify the sender immediately by e-mail if 
> you ave received this e-mail by mistake and delete this e-mail from your system.
>
>
>
>
>
>
> Please consider the environment before printing this e-mail!
>
> ------------------------------
>
> This e-mail and any files transmitted with it are confidential and 
> intended solely for the use of the individual or entity to whom they 
> are addressed. Any views or opinions presented are solely those of the 
> author and do not necessarily represent those of the City of 
> Charlottetown. If you are not the intended recipient, be advised that 
> you have received this e-mail in error and that any use, 
> dissemination, forwarding, printing or copying of this e-mail is 
> strictly prohibited. Please notify the sender immediately by e-mail if 
> you have received this e-mail by mistake and delete this e-mail from your system.
>
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------------------------------

Message: 3
Date: Tue, 26 Oct 2021 10:20:33 -0400
From: <pwassenaer1022 at rogers.com>
To: "'Canadian Urban Forest Network'" <canufnet at list.web.net>
Subject: Re: [CANUFNET] Tree roots and bike trails
Message-ID: <003501d7ca74$a3c6a280$eb53e780$@rogers.com>
Content-Type: text/plain; charset="us-ascii"

Jessika,

 

I would say that is depends on how much you cover them and also how you would plan to contain that soil so it doesn't just disappear again. How often would you plan to go back and repeat this? In any case I would say filling them over will remove the direct physical damage to the roots and be better than "letting it ride".

 

If you would fill just over the roots with soil and then add wood chips over, that will likely be a good solution. You would then likely have to just replace wood chips every so often.

 

Just some off the top of the head thoughts.

 

Philip

 

 

Philip van Wassenaer, B.SC., MFC

Urban Forest Innovations Inc.

1331 Northaven Drive

Mississauga ON L5G 4E8

Tel:  (905) 274-1022

Cell: (647) 221-3046

Fax: (905) 274-2170



 

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From: CANUFNET <canufnet-bounces at list.web.net> On Behalf Of Corkum-Gorrill, Jessika via CANUFNET
Sent: October 26, 2021 8:14 AM
To: Canadian Urban Forest Network <canufnet at list.web.net>
Cc: Corkum-Gorrill, Jessika <jcorkumgorrill at charlottetown.ca>
Subject: [CANUFNET] Tree roots and bike trails

 

Hello,

 

Does anyone have experience or thoughts on exposed tree roots within mountain biking trails and whether more damage is caused by covering them up with soil or leaving exposed and riding over them?

 

Thank-you!
Jessika

 

 

Jessika Corkum-Gorrill

Forest and Environmental Officer

 

City of Charlottetown

PO Box 98, 199 Queen Street

Charlottetown, Prince Edward Island

C1A 7K2

902-629-4122

 

 <mailto:jcorkumgorrill at charlottetown.ca> jcorkumgorrill at charlottetown.ca 

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Please consider the environment before printing this e-mail! 

 

This e-mail and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed.
Any views or opinions presented are solely those of the author and do not necessarily represent those of the City of Charlottetown. If you are not the intended recipient, be advised that you have received this e-mail in error and that any use, dissemination, forwarding, printing or copying of this e-mail is strictly prohibited. Please notify the sender immediately by e-mail if you ave received this e-mail by mistake and delete this e-mail from your system. 

 

 



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  _____  


This e-mail and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed.
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