Research

We map and analyze urban canopy information to help manage our community forest and prioritize tree maintenance needs to advance our city and field.

D.C. Fall Colors Map

We built a map of the top five showy fall color trees in D.C. – the ginkgo, sweetgum, blackgum, linden and golden rain tree. Changing leaf color makes it even easier to identify them. Use this map to go out and design routes around dense areas of colorful trees. View Full Screen

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i-Tree Ecosystem Analysis

i-Tree Ecosystem Analysis reveals the structure, function and value of urban forests. Trees provide enormous benefits to human health and the environment. Those natural woody plants standing tall on our streets, in our parks and in our yards filter air pollution, remove carbon dioxide, produce oxygen, absorb stormwater, provide shade, reduce human stress and increase …

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Citizen Science

Citizen science is the collection and analysis of data relating to the natural world. At our park inventories, citizen science volunteers traverse the city collecting and documenting tree data that will be used to advance the field of urban forestry. No previous experience is required to become a citizen scientist, simply sign up for one …

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Trees & Income

Washington, D.C. Tree Canopy Changes from 2006-2011 and Which Neighborhoods Experienced Them. Leadership in city governments increasingly recognizes the well-known benefits of trees, and numerous cities throughout the United States have established tree canopy goals or tree planting programs [1-3]. Washington, D.C. has committed to increasing tree canopy to 40 percent of its land area …

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Urban Forestry Fellowship

The GCA Zone VI Fellowship in Urban Forestry The Garden Club of America: Founded in 1913, The Garden Club of America is a nonprofit organization comprised of 200 member clubs and approximately 18,000 club members throughout the United States. To promote greater understanding of the interdependence of horticulture, environmental protection, and community involvement, GCA offers …

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D.C. i-Tree Ecosystem Analysis Map

i-Tree is a suite of tools developed by the U.S. Forester Service that allows communities and researchers to calculate the dollar value of their urban canopies. Every five years Casey Trees collects data on 201 plots throughout the District using U.S. Forest Service protocols. The map below shows the number of trees, carbon removal, carbon …

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