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

Tree Decline CEU Quiz

By Jim Clark
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On this episode of “Science of Arboriculture,” Dr. Jim Clark discusses Manion’s “morality spiral,” and how this concept relates to a process of decline we see in many urban trees. Dr. Clark gives an in depth outline of the symptoms associated with the decline spiral, and discusses potential management prevention strategies to prevent premature tree death. (A,U,M,T,L,Bs)

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

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