National data — wages and growth are not published by state for this view.
Certification
ISA Certified Arborist
International Society of Arboriculture
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Our most popular credential, the ISA Certified Arborist program is accredited by the ANSI National Accreditation Board (ANAB) for meeting or exceeding ISO 17024 standards for certification bodies.
Assess tree anatomy, physiology, and biomechanics to specify and recommend appropriate tree work aligned with growth stage and developmental needsIdentify tree species using morphological and physical structures and apply appropriate nomenclature to support tree management and communication decisionsSelect trees appropriate for a given planting site based on species characteristics, site conditions, and project requirementsAssess soil physical, chemical, and biological properties and their relationship to tree growth to recommend mitigation strategies for soil volume, structure, and nutrition deficienciesPlant and transplant trees in accordance with industry-accepted standards and provide post-planting care to ensure survival, structural development, and establishmentPrune trees using appropriate tools, cut types, and techniques that minimize impact on tree health, promote longevity, and avoid detrimental pruning practicesDiagnose tree health conditions and develop integrated plant health care plans incorporating IPM principles and consideration of client, landscape, and environmental needsDevelop and implement tree protection plans for construction, development, and demolition sites by predicting impacts and recommending treatment for affected treesPerform limited visual tree risk assessments to identify, evaluate, and communicate risk types and management responsibilities for individual trees and tree populationsApply industry safety standards and develop site-specific safety protocols to mitigate risk from trees, equipment, and work site hazards including electrical and emergency situationsUtilize PPE, climbing techniques, rigging systems, and safe removal methods to conduct tree work in compliance with regulatory requirements and industry safety standardsConduct tree removal operations using appropriate techniques to ensure accuracy, safety, and efficient processing of tree partsEvaluate urban forest benefits including ecological, economic, social, and health values to support tree appraisal, regulatory compliance, and management planningDevelop and communicate urban forestry management plans and engage public and stakeholder audiences in proper tree care and management practices