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Diversitree
measures urban tree cover according to the 10/20/30 rule. The rule suggests that urban forests should not be composed of more than 10% of a single species, 20% of the same genus and 30% of the same family. By applying the rule as a benchmark, the diversity and adaptive capacity of urban forests can be increased, ensuring their health and the provision of ecosystem services. Diversitree is a project implemented by the MIT Senseable City Lab in cooperation with the University College Dublin.
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InVEST (Integrated Valuation of Ecosystem Services and Trade-offs)
is a series of models for mapping and valuing ecosystem services. The model series includes tools to assess urban cooling and urban flood risk mitigation provided by trees and forests. Several other models are under development for evaluating benefits of urban green cover, including the contribution of trees and forests to stormwater management, habitat quality, mental health, air quality and urban heat island mitigation. InVEST is developed as part of the Stanford Natural Capital Project.
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Urban Forestry Toolkit
published by the United States Forest Service. The toolkit provides a step-by-step guide to implementing urban forestry in your community.