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  2. International Society of Arboriculture - Wikipedia

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

    The International Society of Arboriculture, commonly known as ISA, is an international non-profit organization headquartered in Atlanta, Georgia, [1] United States. The ISA serves the tree care industry as a paid membership association and a credentialing organization that promotes the professional practice of arboriculture. [ 2 ]

  3. Professional certification - Wikipedia

    en.wikipedia.org/wiki/Professional_certification

    The International Society of Arboriculture (ISA) is the International body who administers ANSI-accredited certification programs for arborists and tree care specialists. Certifications vary from Tree Worker to Certified Arborist to Master Arborist.

  4. 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 ...

  5. California is home to millions of urban trees. What happens ...

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  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. Tree health - Wikipedia

    en.wikipedia.org/wiki/Tree_health

    Various organizations, such as the International Society of Arboriculture, the British Standards Institute [13] and the Tree Industry Association (formerly the National Arborist Association), have long recognized the sensitivity of tree health to construction activities. The effects are important because they can result in monetary and/or ...

  8. Davey Tree Expert Company - Wikipedia

    en.wikipedia.org/wiki/Davey_Tree_Expert_Company

    [1] [2] [3] John Davey, its founder, is considered the father of the science of tree surgery and the modern-day industry of arboriculture. [ 4 ] [ 5 ] [ 6 ] It has been employee owned since 1979 and is the 9th largest such company in the U.S. [ 7 ] Forbes named it as one of America's best employers in 2015 and U.S. News & World Report named it ...

  9. Forestry - Wikipedia

    en.wikipedia.org/wiki/Forestry

    Tree pruning in Durham, North Carolina Professional Tree Climber (arborist: Zack Weiler) climbing a willow tree in Port Elgin, ON. Canada James Kinder, an ISA Certified Municipal Arborist examining a Japanese Hemlock at Hoyt Arboretum Urban forestry is the care and management of single trees and tree populations in urban settings for the ...

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