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ISA Certified Arborist Chapter 12 (Tree Assessment and Risk Management) with Correct Solutions $8.89
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ISA Certified Arborist Chapter 12 (Tree Assessment and Risk Management) with Correct Solutions
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ISA Certified Arborist Chapter 12 (Tree Assessment and Risk Management) with Correct Solutions List the three components of risk assessment. - Answer -potential for failure environment that may contribute to failure potential target By definition, if there is no _______, a tree cannot pose a r...

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  • April 5, 2024
  • 3
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • isa certified arborist chapter 12 tree assessment
  • isa certified arborist chapter 12 2024
  • isa certified arborist chapter 12 2025
  • list the three components of risk assessment an

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ISA Certified Arborist Chapter 12 (Tree Assessment and
Risk Management) with Correct Solutions

List the three components of risk assessment. - Answer -potential for failure

environment that may contribute to failure

potential target

By definition, if there is no _______, a tree cannot pose a risk. - Answer -target

When performing a tree assessment, it is important to develop and stick to a _______ process. - Answer
-systematic

For structural strength, branches should be _______ in diameter than their parent limbs or trunk. -
Answer -smaller

_______ _______ fungi primarily decay the lignin within and between cell walls in the wood. - Answer -
white rot

Codominant stems often have _______ ______ within the branch union, making them structurally less
stable. - Answer -included bark

Trees that have grown in dense shade such as a forest tend to have long, straight stems with little
_______. - Answer -taper

Trees often produce _______ _______, providing more stability to compensate for lean. - Answer -
reaction wood

Brown rot fungi primarily decay the _______, leaving behind the stiff lignin and thereby reducing the
bending strength of the tree. - Answer -cellulose

Decay located in the lower trunk and/or base of the tree is referred to as _______ _______. - Answer -
basal rot (butt rot)

In recent years, a number of more advanced _______ _______ _______ have been developed to help
arborists determine the presence and extent of decay inside trees. - Answer -decay detection devices

True/False - A tree may appear to be solid and structurally sound, and may have a thick, green canopy,
yet can have significant decay inside. - Answer -true

List five indicators of decay in a tree. - Answer -open wounds or cavities

fruiting bodies: mushrooms, conks

cracked or loosened bark

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