ISA Tree Risk & Management 1

Question 1

What is the primary purpose of a tree risk assessment?

Accepted Answer

To assess the health and stability of the tree

Answer

To increase the tree's height

Answer

To determine if the tree should be removed

Answer

To diagnose pests and diseases

Question 2

What are the three main factors considered in tree risk management?

Accepted Answer

Likelihood of failure, targets, and consequences

Answer

Age, location, and height

Answer

Root structure, canopy spread, and species

Answer

Seasonality, growth rate, and foliage color

Question 3

How does tree lean affect risk management?

Accepted Answer

It increases the likelihood of failure

Answer

It improves the tree's structural integrity.

Answer

It makes the tree more resistant to disease.

Answer

It reduces the risk of structural issues.

Question 4

What role does soil compaction play in tree health and stability?

Accepted Answer

Reduces root growth and nutrient absorption

Answer

Improves root stability

Answer

Increases nutrient retention

Answer

Encourages deeper root development

Question 5

What is the purpose of crown cleaning during tree maintenance?

Accepted Answer

To remove unhealthy branches

Answer

To increase foliage density

Answer

To reduce canopy spread

Answer

To enhance tree height

Question 6

What is a common indicator of tree instability?

Accepted Answer

Visible cracks or cavities

Answer

Healthy bark texture

Answer

Deep root structure

Answer

Uniform growth pattern

Question 7

How can pruning help with tree risk management?

Accepted Answer

It improves the tree's stability and health

Answer

It helps the tree grow faster.

Answer

It increases the tree's height.

Answer

It encourages more foliage growth.

Question 8

How does tree species influence risk management?

Accepted Answer

Some species are more vulnerable to diseases

Answer

All tree species have the same risk profile.

Answer

Tree species don’t impact risk management.

Answer

Species selection doesn’t affect tree health.

Question 9

Why is monitoring for pests and diseases important in tree risk management?

Accepted Answer

Pests and diseases can increase tree failure risk

Answer

Pests and diseases don’t affect tree risk.

Answer

Pests and diseases improve tree stability.

Answer

Monitoring for pests is unnecessary.