Target Assessment

Question 1

people, property, or activities that could be injured, damaged, or disrupted by a tree failure.

Answer 1

Target

Question 2

the monetary worth of something; the importance or preciousness of something.

Answer 2

Target Value

Question 3

the area where a tree or tree part is likely to land if it were to fail.

Answer 3

Target Zone

Question 4

target that cannot be easily relocated.

Answer 4

Static Target

Question 5

target that can be relocated.

Answer 5

Movable targets

Question 6

a target that is in motion or intermittently moving.

Answer 6

Mobile Target

Question 7

the amount of time targets are within a target zone.

Answer 7

Occupancy Rate

Question 8

a target is present at nearly all times, 24 hours a day, 7 days a week.

Answer 8

Constant Occupancy

Question 9

the target zone is occupied for a large portion of the day or week.

Answer 9

Frequent Occupancy

Question 10

the target zone is not commonly used by people or other mobile/movable targets.

Answer 10

Rare Occupancy

Question 11

structures, trees, branches, or other factors that would prevent or reduce harm to targets in the event of a tree failure.

Answer 11

Protection Factors

Question 12

a delay or interruption of progress or continuity.

Answer 12

Disruption

Question 13

personal injury, property damage, or disruption of activities due to the failure of a tree or tree part.

Answer 13

Consequences of Failure

Question 14

the amount or extent of injury, damage, or disruption.

Answer 14

Degree of Harm

Question 15

a process for classifying targets according to importance or value.

Answer 15

Stratifying targets

Question 16

a process for ranking targets according to importance or value.

Answer 16

Prioritizing targets

Question 17

a process for ranking targets according to importance or value.

Answer 17

Prioritizing targets

Question 18

True/False

Mobile targets always have a frequent occupancy rate in the target zone.

Answer 18

False

Question 19

True/False

Occupancy rates of targets might fluctuate with the seasons.

Answer 19

True

Question 20

True/False
The target zone for a whole-tree failure on level ground is approximately equal to the height of the tree, but if the tree is dead and/or brittle, the target zone should be expanded to 1.5 times the tree height.

Answer 20

True

Question 21

The likelihood of impact is __________ if the chance of the failed tree or tree part impacting the specified target is remote.

Answer 21

very low

Question 22

The __________ is high if the failed tree or tree part is likely to impact the target.

Answer 22

likelihood of impact

Question 23

The consequences of failure are __________ if there will be no personal injury, low value property damage, or disruptions that can be replaced or repaired.

Answer 23

negligible

Question 24

Targets can be __________ or __________ based on importance or value, which can be useful for municipalities managing large tree populations.

Answer 24

stratified

prioritized

Question 25

On a public estate property, it might be practical to __________ access to the target zone, in order to reduce the occupancy rate of people.

Answer 25

restrict

Question 26

Branches low on the trunk can slow or stop the fall of branches from higher in the crown and serve as __________ to targets below.

Answer 26

protection factors

Question 27

A person walking through a park is defined as a target that is

A) static
B) movable
C) mobile
D) dynamic

Answer 27

C) mobile

Question 28

Cars parked at a busy shopping center from 07:00 to 22:00 have a frequent

A) target zone rate
B) target likelihood
C) occupancy rate
D) impact likelihood

Answer 28

C) occupancy rate

Question 29

The force of impact of a large tree or tree part could be minor if

A) the distance of fall is very short
B) other trees or tree parts serve as protection factors
C) the target is very close to the tree or tree part
D) all of the above

Answer 29

D) all of the above

Question 30

The exposure time of mobile targets in the target zone depends on all of the following EXCEPT

A) how fast the target is moving
B) whether they are likely to be stationary for a period of time within the target zone
C) the size of the target zone
D) the presence of structure or branches protecting the target

Answer 30

D) the presence of structure or branches protecting the target

Question 31

Which of the following is NOT an example of how adjacent trees can influence the consequences of failure?

A) a large tree falls against another tree causing one or more sequential tree failures
B) root decay spreads through root grafts from an adjacent tree
C) a tree falls into an adjacent tree, preventing it from impacting a building
D) a limb falls during a storm and is deflected by another tree, causing it to miss a target

Answer 31

B) root decay spreads through root grafts from an adjacent tree