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  2. International Society of Arboriculture - Wikipedia

    en.wikipedia.org/wiki/International_Society_of...

    The certification began as a result of the need to distinguish the top few arborists and allow others to identify those with superior credentials. The Master Arborist examination is a far more extensive exam than the Certified Arborist Exam, and covers a broad scope of both aboriculture management, science and work practices. The exam includes ...

  3. Urban forestry - Wikipedia

    en.wikipedia.org/wiki/Urban_forestry

    The ISA, for example, is a global organization that offers an array of certifications and qualifications, including ISA Certified Arborist. [69] According to a 2020 survey, urban forestry employers desired most employees who possessed the ISA Certified Arborist credential, followed by a commercial pesticide applicator license, and a commercial ...

  4. Quality Assurance International - Wikipedia

    en.wikipedia.org/wiki/Quality_Assurance...

    Quality Assurance International (QAI) is a United States-based international organic certification company that is authorized by the United States Department of Agriculture (USDA) as "a USDA-accredited certifying agent that operates globally to certify organic operations to National Organic Program standards."

  5. Davey Tree Expert Company - Wikipedia

    en.wikipedia.org/wiki/Davey_Tree_Expert_Company

    The Davey Tree Expert Company, also known as Davey Tree, is a North American employee-owned corporation. The company's main services are research driven tree services, grounds maintenance and environmental consulting services for residential, utility, commercial and environmental partners in the United States and Canada.

  6. Arborist - Wikipedia

    en.wikipedia.org/wiki/Arborist

    An arborist using a chainsaw to cut a eucalyptus tree in a public park Two arborists climbing and dismantling a Norway Maple in Ontario, Canada. An arborist [1], or (less commonly) arboriculturist, is a professional in the practice of arboriculture, which is the cultivation, management, and study of individual trees, shrubs, vines, and other perennial woody plants in dendrology and horticulture.

  7. Arboriculture - Wikipedia

    en.wikipedia.org/wiki/Arboriculture

    An arborist practicing tree care: using a chainsaw to fell a eucalyptus tree in a park at Kallista, Victoria. Arboriculture (/ ˈ ɑːr b ər ɪ ˌ k ʌ l tʃ ər, ɑːr ˈ b ɔːr-/) [1] is the cultivation, management, and study of individual trees, shrubs, vines, and other perennial woody plants. The science of arboriculture studies how these ...