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Arborist News quizzes are available free online to members for one year after the date of publication; a maximum of six quizzes are available at any time. CEU quizzes for older articles may be purchased by both members and non-members.
This article summarizes the steps required for safe tree felling and describes techniques used for estimating tree height. Readers will be able to contrast the types of notches and back cuts and discuss the precautions used for safe limbing and bucking of felled trees. 1 CEU (A, U, M, T, L, Bp)
CEUs for this quiz may be earned only once during the life of your certification.
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1 CEU
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ISA Members: $0.00
Retail Price: $13.95
All prices in US Dollars
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Arborist News quizzes are available free online to members for one year after the date of publication; a maximum of six quizzes are available at any time. CEU quizzes for older articles may be purchased by both members and non-members.
This article determines the necessary components of a tree inventory scope of work and identifies typical data attributes included in a tree inventory. Additionally, you will understand priorities and tradeoffs when creating an inventory data specification and review the options and considerations for planning inventory data collection. 1 CEU (A, U, M, T, L, Bm)
CEUs for this quiz may be earned only once during the life of your certification.
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1 CEU
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ISA Members: $0.00
Retail Price: $13.95
All prices in US Dollars
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Arborist News quizzes are available free online to members for one year after the date of publication; a maximum of six quizzes are available at any time. CEU quizzes for older articles may be purchased by both members and non-members.
This article will help readers understand unique storm-related challenges that are rarely encountered in daily residential tree care and the importance of recognizing the crew roles and worksite information before beginning work at a site. Additionally, readers will review electrical hazards that can arise from storms and the ANSI Z133-2017 guidelines that outline safety measures to be taken when working in hazardous conditions. 1 CEU (A, U, M, T, L, Bm, Bp)
CEUs for this quiz may be earned only once during the life of your certification.
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1 CEU
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ISA Members: $0.00
Retail Price: $13.95
All prices in US Dollars
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Arborist News quizzes are available free online to members for one year after the date of publication; a maximum of six quizzes are available at any time. CEU quizzes for older articles may be purchased by both members and non-members.
This article will help readers understand the importance of planning as an initial step of conducting a tree inventory. It will also review common inventory objectives as well as necessary resources and potential costs associated with conducting a tree inventory. 1 CEU (A, U, M, T, L, Bm)
CEUs for this quiz may be earned only once during the life of your certification.
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1 CEU
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ISA Members: $0.00
Retail Price: $13.95
All prices in US Dollars
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Arborist News quizzes are available free online to members for one year after the date of publication; a maximum of six quizzes are available at any time. CEU quizzes for older articles may be purchased by both members and non-members.
This article will help readers understand the differences between sapwood, heartwood, and would-initiated discoloration and how each is formed. Additionally, this article will review the relative decay resistance of selected North American trees. 1 CEU (A, U, M, T, L, Bs)
CEUs for this quiz may be earned only once during the life of your certification.
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1 CEU
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ISA Members: $0.00
Retail Price: $13.95
All prices in US Dollars
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Arborist News quizzes are available free online to members for one year after the date of publication; a maximum of six quizzes are available at any time. CEU quizzes for older articles may be purchased by both members and non-members.
This article will help you understand the ecological significance of native and exotic tree species in urban forestry, including their roles in enhancing biodiversity and ecosystem resilience. Additionally, it will explain the purpose and significance of Tree Risk Assessment Qualification (TRAQ) assessments in urban forestry, including their role in identifying and mitigating risks associated with trees with high biological values. 1 CEU (A, U, M, T, L, Bm)
CEUs for this quiz may be earned only once during the life of your certification.
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1 CEU
|
ISA Members: $0.00
Retail Price: $13.95
All prices in US Dollars
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Arborist News quizzes are available free online to members for one year after the date of publication; a maximum of six quizzes are available at any time. CEU quizzes for older articles may be purchased by both members and non-members.
This article will explain how the type of target can affect the occupancy rate and describe the relationship between the levels of occupancy rate and the categories of likelihood of impact. Additionally, it will discuss how the likelihood of impact is affected by protection factors and the direction of fall.
1 CEU (A, U, M, T, L, Bm)
CEUs for this quiz may be earned only once during the life of your certification.
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1 CEU
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ISA Members: $10.95
Retail Price: $13.95
All prices in US Dollars
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This article is based on the upcoming revision of the ISA Tree Risk Assessment Best Management Practices and focused on some of the challenges and enhancements that will be implemented in the latest version. Learn the limitations of tree risk assessments and how uncertainty and subjectivity can affect tree risk ratings. Additionally, you will learn how tree risk rating is determined and the steps involved in developing a tree risk rating.
1 CEU (A, U, M, T, L, Bm)
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1 CEU
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ISA Members: $10.95
Retail Price: $13.95
All prices in US Dollars
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Arborist News quizzes are available free online to members for one year after the date of publication; a maximum of six quizzes are available at any time. CEU quizzes for older articles may be purchased by both members and non-members.
"Utility Tree Risk Categorization" and the accompanying CEU quiz will help you understand how to determine the likelihood of impact to a utility target. In this article, you will review how to determine the likelihood of tree failure and learn how likelihood of impact and likelihood of failure combine with consequences of failure to determine a risk rating. 1 CEU (A, U, M, T, L, Bm)
CEUs for this quiz may be earned only once during the life of your certification.
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1 CEU
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ISA Members: $10.95
Retail Price: $13.95
All prices in US Dollars
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Arborist News quizzes are available free online to members for one year after the date of publication; a maximum of six quizzes are available at any time. CEU quizzes for older articles may be purchased by both members and non-members.
In this article, you will learn about factors that influence the proper selection of a fertilizer, review how timing impacts the effectiveness of fertilizer application, and understand the methods for fertilizer application and when each should be used. 1 CEU (A, U, M, T, L, Bp)
CEUs for this quiz may be earned only once during the life of your certification.
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1 CEU
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ISA Members: $10.95
Retail Price: $13.95
All prices in US Dollars
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The utility industry’s application of tree risk assessment practices differs from that of other commercial arborists working with clients who own individual or small groups of landscape trees. While utility tree risk assessors consider individual trees, risk is assessed and managed across very large populations of trees in proximity to overhead electric lines that compose the utility forest. Likelihood of impact and likelihood of tree failure are assessed independently and then combined to determine the likelihood of the tree or tree part failing and striking the utility target. The combination of likelihood of impact and failure is then used in considering the consequences of the strike failure, which defines the level of risk. 1 CEU (A, U, M, T, L, Bm)
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1 CEU
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ISA Members: $10.95
Retail Price: $13.95
All prices in US Dollars
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Arborist News quizzes are available free online to members for one year after the date of publication; a maximum of six quizzes are available at any time. CEU quizzes for older articles may be purchased by both members and non-members.This article reviews the basics of root anatomy and helps arborists understand the benefits of being able to identify different roots by their species. Additionally, arborists may learn how to identify unique root features in the field. 1 CEU (A, U, M, T, Bs)
CEUs for this quiz may be earned only once during the life of your certification.
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1 CEU
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ISA Members: $10.95
Retail Price: $13.95
All prices in US Dollars
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