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Questions and Answers
What is the artificial form factor for a tree with a diameter at breast height (dbh) of 45.6 cm and a height of 27 m?
What is the artificial form factor for a tree with a diameter at breast height (dbh) of 45.6 cm and a height of 27 m?
- 0.1
- 0.4
- 0.3
- 0.2 (correct)
In absolute form factor calculations, what is used as the reference for the base of the cylinder?
In absolute form factor calculations, what is used as the reference for the base of the cylinder?
- Breast height (correct)
- 10% of tree height
- 20% of tree height
- Base of the tree
How are the Diameter over bark (dob), diameter under bark (dub), and bark thickness (tb) related?
How are the Diameter over bark (dob), diameter under bark (dub), and bark thickness (tb) related?
- dob = dub - 2 × tb
- dob = dub + 2 × tb (correct)
- dob = dub - tb
- dob = dub + tb
For a non-circular cross-section, what does girth tape do in relation to sectional area estimation?
For a non-circular cross-section, what does girth tape do in relation to sectional area estimation?
What is the basal area in square meters for a tree with a diameter at breast height (dbh) of 25 cm?
What is the basal area in square meters for a tree with a diameter at breast height (dbh) of 25 cm?
Which term describes how close measured values are to the correct value?
Which term describes how close measured values are to the correct value?
Which of the following is an example of chemical weathering?
Which of the following is an example of chemical weathering?
In forest management, what does the normal form factor reference for the base of the cylinder?
In forest management, what does the normal form factor reference for the base of the cylinder?
What is the angle between the base and hypotenuse in a triangle if θ = 60° and the hypotenuse c = 2 cm?
What is the angle between the base and hypotenuse in a triangle if θ = 60° and the hypotenuse c = 2 cm?
A sample plot measures 15 m × 15 m with 3 trees having dbh of 25 cm, 30 cm, 35 cm. What is the stand basal area in sq m per Ha?
A sample plot measures 15 m × 15 m with 3 trees having dbh of 25 cm, 30 cm, 35 cm. What is the stand basal area in sq m per Ha?
What is the spacing factor for eucalyptus trees that are on average 30 cm in diameter and spaced on a regular 3 m grid?
What is the spacing factor for eucalyptus trees that are on average 30 cm in diameter and spaced on a regular 3 m grid?
Which type of soil typically has the highest organic matter content?
Which type of soil typically has the highest organic matter content?
What is the term used for the process of cutting timber into logs?
What is the term used for the process of cutting timber into logs?
Which marking color is typically used to show trees that are to be retained?
Which marking color is typically used to show trees that are to be retained?
In forest management, what process involves the careful selection of trees for harvesting based on a forest management prescription?
In forest management, what process involves the careful selection of trees for harvesting based on a forest management prescription?
Which type of face cut provides the greatest accuracy in logging operations?
Which type of face cut provides the greatest accuracy in logging operations?
What is the term for the process of moving logs from the forest to the landing area?
What is the term for the process of moving logs from the forest to the landing area?
Which calculation gives the net growth in initial volume for tree measurement?
Which calculation gives the net growth in initial volume for tree measurement?
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