Tree Inventory

Until recently, most people didn’t think much about trees. They were simply part of the landscape, to be trimmed or cut down. 

Managing our trees starts with an understanding of what we have: What species? Where? What size? What condition? Some large municipalities can hire consultants and foresters to answer these types of questions. In our community, Neighbourhoods is doing the job.

Neighbourwoods© was developed in 1995 by Dr. Danijela Puric-Mladenovic and Dr. W.A. Kenney from the University of Toronto and has been used in communities across Ontario.

11 years, and 11,000 trees later, we are still at it.  We’ve learned a lot.  For one thing, we no longer venture into backyards, partly because trees on private property are generally healthy and don’t need us to defend them. By sticking to front-yard and boulevard trees, we’ve been able to reach more householders and collect more data about public trees.

How does inventory help?

  • It helps determine what to tree species plant to increase the diversity of our urban forest. This ensures we still have trees when the next blight comes to town (think Dutch Elm Disease, and now the Emerald Ash Borer killing our Ash trees). Right now the bulk of our urban forest is made up of cedars, maples and spruce trees.
  • It shows where there are opportunities to plant new trees.
  • It establishes where there are trees that might be hazardous to the public, so we can inform the Township.
  • Determines the value of our urban forest, which underscores why it merits attention and Township’s resources. The replacement value of our trees is pegged at more than $12 million dollars and counting.

Data aside, the inventory is an excellent outreach tool. Every home we visit receives a flyer in advance and a thank-you bookmark as we leave; encouraging residents to continue caring for their trees.

In 2016 we began revisiting properties to reassess the trees and record any changes that have taken place since 2009. We want to see how many trees have have been lost and whether they have they been replaced. As well, are the existing trees healthier or in worse shape? Dr. Puric-Mladenovic from the University of Toronto is producing a report based on our data to summarizing the changes.

Volunteers are essential!

Our tree inventory program would not be possible without our dedicated volunteers who contribute about two hours per week for eight weeks every June and July. They measure, assess, and record data about thousands of trees in Centre Wellington. They are led by enthusiastic, cheerful summer students, thanks to the Canada Summer Works funding from the Government of Canada. The Township of CW contributes funding to cover the cost of data analysis. This is truly a community effort!

Find your tree

Our volunteers and summer students have been hard at work cataloguing trees in Centre Wellington since 2009. We collect 31 elements about each tree which are analyzed to create an overall picture of each tree. This data then allows us to determine the number of trees of a particular species and find trees under various health categories.

On this map, you will be able to find out more about your tree if your home is in a neighbourhood that has been covered to date. While we strive to ensure the data is current.

If you see any errors, please let us know. For example, some of the Ash trees that were inventoried in 2009 and 2010 have likely been removed or are certainly in declining health.

young tree on a boulevard

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