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Science of Arboriculture
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  • Science of Arboriculture
CEUs are available for this product.

Evaluating Canopy Distribution and Change CEU Quiz

By Ruth Williams
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Tree canopy assessments provide a better understanding of the urban forest than conducting an inventory, because these assessments include trees on private property. Ruth Williams discusses the change of canopy cover in Portland, Oregon, based on the results of her 10-year canopy study.(A,U,T,M,L,Bs)

*CEUs for this quiz may be submitted only once during the life of your certification.

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