What are the four categories of consequences of tree failure?

The four categories of consequences of tree failure are severe, significant, minor, and negligible. This classification is essential in tree risk assessment as it helps arborists and land managers prioritize risks based on potential outcomes from tree failures.

• Severe consequences typically involve major personal injury, loss of life, or significant property damage. For instance, if a large tree falls in a public area, the results could be disastrous if it strikes a person or a vehicle.

• Significant consequences refer to situations where there could be some injury or moderate property damage, prompting a need for immediate attention but not to the extent of severe consequences.

• Minor consequences generally entail minor property damage or low-level injury with no lasting effects, which still may require some intervention to prevent recurrence.

• Negligible consequences cover scenarios where tree failure would have little to no impact, such as a small branch falling in an unoccupied area.

Recognizing these categories allows individuals responsible for tree care and management to assess the risks effectively, implement necessary preventive measures, and make informed decisions about tree maintenance and removals.