an excellent resource when you need to choose the right trees for urban living
an individual who has achieved a level of knowledge in the art and science of tree care through experience and by passing a comprehensive examination developed by some of the nation's leading experts on tree care
an individual who has achieved a level of knowledge in the art and science of tree care through training, at least three years experience, and having passed a comprehensive examination
an individual who has extensive knowledge in the field of tree care through experience and has successfully passed an exam given by the International Society of Arboriculture
an individual who is trained in the art and science of planting and maintaining trees
a professional who has been extensively trained in the science and practice of tree care
professional tree service provider; certification regulated and maintained with International Society of Arboriculture. Certified Arborist: an individual who has passed the certification examination sponsored by the International Society of Arboriculture and who maintains a current certification.
Professional arborists tested by the International Society of Arboriculture (ISA). A certified arborist must possess the technical competence to manage trees in the residential, commercial and private landscape. They must also earn the continuing education units (C.E.U) required by ISA.
The Certified Arborist credential identifies professional arborists who have a minimum of three years' full-time experience working in the professional tree care industry and who have passed an extensive examination covering all facets of arboriculture. The http://www.wcisa.net/ Western Chapter of the http://www.isa-arbor.org International Society of Arboriculture (ISA) started the certification program in the 1980's. As the program rapidly proved its worth, it was taken over and expanded by the parent ISA organization.
