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  • To my fellow members of the Tree Board University and the American Grove, please note next Monday, December 5, is the World Soils Day 2016. Please join the global campaign for healthy soils on the Earth which support the grow of trees and forests and also ecologically benefit from vegetation covering them. We at CIEDM will participate as in the past, and specifically in my lecture at CSUDH' International Training Program on this Wednesday, November 30, I'll present the event to raise public awareness of the importance of healthy soils.
  • Last year, the National Urban and Community Forestry Advisory Council (Council) polled attendees at the Partners in Community Forestry Conference in Pittsburgh and learned that you'd like to have more input into Council activities. We listened to your feedback and have worked diligently this year to gather additional input from our Urban and Community Forestry (UCF) constituencies throughout the country. As we prepare to finalize the 2016 UCF Challenge Cost Share Grant Program, please take the time to complete this brief survey and help inform the categories for our next grant cycle! https://www.surveymonkey.com/s/NUCFACpoll2014

    Please feel free to forward this link to anyone that you think might be interested in participating.
  • Hello all - just a reminder to invite others to take the Tree Board U course. Send them a link to the webpage - www.treeboardu.org

  • Good points Tim. The other thing that is needed is to first correctly design the space for the tree and then your tree selection is more diverse as well.  Some good tough urban trees we are using with success is Bur, Swamp White Oak, Espresso Coffeetree, Chanticleer Pear, Shumard Oak, Golden Raintree, many newer elms.  Just depends on the site characteristics.

  • Lisa,

     

    The species you decide to plant for a certain location need to first be determined by its surroundings.  How much overhead space do you have?  How much space do you have from the trunk and buttress roots to form?  How much soil volume do you have for he roots system to get establish?  What is the irrigation availability?  We need to start thinking about matching the infracture to meet the requirement of the tree rather than planting trees and expect them to survive in a hostile urban enviroment, and placing restrictions on them such as root barriers, topping for utilities, etc. We have really start rethinking how we are going to establish a mature urban forest, because right now things are not working to well.

     

    I just got back from London and I saw zero tree/sidewalk conflicts after walking miles of sidewalks.  I'm tring to find out what they are doing.  I have my thought of why they are suscessful.

  • Addressing species diversity - Having lost many Ash to EAB, I wish to incorporate more variety.  Beyond the expected Maple trees, which currently make up more than 50% of our urban forest, what medium & large street trees have you had success with?  I am considering Elm, Honeylocust, Hornbeam, Linden, Oak, Planetree. Other suggestion?

    • Also consider northern catalpa, bald cypress, Kentucky coffeetree, buckeyes, gingko (male), and beech
  • Lisa- honestly haven't found the magic bullet yet.  We have tried multiple things in Denver but found the root barrier poses another problem; a tripping hazard.  In order for it to work it must be an inch above grade so roots can't grow over it and that constitues a tripping hazard here per our PW dept. I'm trying to convince the parks planners to try 4" of rock under the parks paths to lessen the impact.  I'm tyring to combine thought processes; rock= bad root growing environment but does have some give for root expansion and hopefully raises a mass area but not crack the walk due to point stress.  We have heavy clay soils here so roots stay close to the surface

  • Our Village Council recently approved a sidewalk replacement project for spring 2012.  The contractor was asked to include root barriers in the bid.  The information I have found on root barriers is at best conflicting.

    In your experience, what root pruning / barrier techniques have had the most positive outcomes?  Can you provide any specifications for your methods &/or materials used?

    As a Tree City USA, we always try to keep an eye out for best practices to preserve our mature street trees.

    This is a repost of a question I placed on my page.  Please forgive me if I hit you a second time.

    Thank you in advance for your assistance.

    Lisa Segard

    Village of Caledonia

  • Thanks for inviting me. Our next Community Forestry Commsission meeting will focus on the heavy snow damage we had two weeks ago, the amount of street trees that were ruined or now topped due to the storm and the pollarding of street and parking lots by businesses. The town had 7-14" of heavy snow, snow was 5 parts air instead of the normal 14-15 parts air. Working on our other projects too!

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