Understanding i-Tree: summary of programs and methods
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General Technical Report NRS-200. Madison, WI: U.S. Department of Agriculture, Forest Service, Northern Research Station. 100 p.
i-Tree is a suite of computer software tools developed through a collaborative publicprivate partnership. These tools are designed to assess and value the urban forest resource, understand forest risk, and develop sustainable forest management plans to improve environmental quality and human health. This report provides details about the underlying methods and calculations of these tools, as well their potential limitations. Also discussed are the history of i-Tree, its future goals, and opportunities to facilitate new science and international collaboration.
This report was revised in 2021 and is available at https://doi.org/10.2737/NRS-GTR-200-2021. Revisions include updates to procedures and values.
The appendixes can be accessed through the links below.
Keywordsair pollution removal; carbon sequestration; computer modeling; economic valuation; ecosystem services; forest inventory; forest risk; urban forestry
Nowak, David J. 2020. Understanding i-Tree: summary of programs and methods. General Technical Report NRS-200. Madison, WI: U.S. Department of Agriculture, Forest Service, Northern Research Station. 100 p. [plus 14 appendixes]. https://doi.org/10.2737/NRS-GTR-200.