CF Forest Resource Measurement and Inventory

Question 1

What instrument is commonly used to measure tree diameter at breast height (DBH)?

Accepted Answer

Diameter tape

Answer

Clinometer

Answer

Increment borer

Answer

Abney level

Question 2

Which method is used to estimate the volume of a tree?

Accepted Answer

Volume tables

Answer

Leaf area index

Answer

Ring count method

Answer

Chlorophyll analysis

Question 3

What does basal area represent in forest measurement?

Accepted Answer

Cross-sectional area of tree trunks at DBH

Answer

Leaf surface area

Answer

Soil compaction level

Answer

Tree canopy width

Question 4

Which tool is used to estimate tree height from a distance?

Accepted Answer

Clinometer

Answer

Increment borer

Answer

Diameter tape

Answer

Relascope

Question 5

What does a fixed-area plot help determine in forest inventory?

Accepted Answer

Tree density and composition

Answer

Annual growth rings

Answer

Seed dispersal patterns

Answer

Windthrow likelihood

Question 6

Why is systematic sampling used in forest inventories?

Accepted Answer

To achieve uniform plot distribution

Answer

To ensure faster tree removal

Answer

To reduce random errors in tree felling

Answer

To measure wildlife populations