How Diverse Is Concordia’s Canopy?

by Dove Hotz, Tree Team Chair

You have all probably seen many beautiful trees in the Concordia neighborhood, including some phenomenal old-growth trees. But do you have any idea exactly how many and what type of trees are in our area? The City of Portland’s Urban Forestry Department and the Concordia Neighborhood Association’s Tree Team have been working for two months to acquire this information with a block-by-block inspection and inventory. We have already observed almost 2,000 trees, acquiring data on tree location, size, health, and species, to assist us in our goal of maximizing the health and diversity of our urban canopy. Last Saturday, I measured a huge elm that was 42 inches in diameter!

The third and final scheduled tree inventory will take place Saturday, October 9, 8:30 a.m. to noon, at a convenient Concordia location (the exact place will be provided once you register). Your assistance is requested to help us fill in some of the missing blanks. You do not need to be a tree expert — professional staff and knowledgeable volunteers will be available to help you tell the difference between a maple and a sweetgum. This is a lovely chance to stroll through the neighborhood and appreciate its beauty and diversity.

If you are willing and able to help, please visit the Tree Inventory web site, or contact Urban Forestry Botanic Specialist Angie DiSalvo at, (503) 823-4484. Support for this project comes from the East Multnomah Soil and Water Conservation District.

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