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A project in progress, the UTGL attempts to identify what factors should be considered to measure tree health and sustain urban forests. Top-tier professionals could create what becomes a standard for urban forestry.

International Society of Arboriculture

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Unique partnership among researchers and practitioners to improve urban forestry outcomes. The UTGL Working Group uses a coordinated approach to provide professionals with information they need to make decisions that improve tree performance. Understanding how factors interact to influence tree growth, mortality and longevity is fundamental to actualizing the value of urban forests through 1) tree selection (matching trees with site conditions), 2) modification of site conditions to foster desired tree performance, 3) targeting tree care and monitoring to improve return on investment, 4) predicting tree replacement needs due to mortality, and 5) modeling of tree benefits and costs.

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