B.F. Bachelor of Forestry Bachelor of Forestry Forest Production Management 4

Question 1

Which of the following best describes the 'allowable cut' concept in sustained-yield forestry?

Accepted Answer

The annual or periodic harvest volume that can be sustained indefinitely without depleting the resource

Answer

Allowable cut is calculated to balance growth and harvest over time, ensuring the forest continues to produce timber without long-term depletion.

Question 2

When establishing a timber sale contract, a 'lump sum' sale differs from a 'pay-as-cut' sale in that:

Accepted Answer

The purchaser pays a fixed total price upfront regardless of actual volume harvested

Answer

In a lump sum sale, the buyer pays a single agreed price for all timber designated in the sale area, assuming all volume and price risk.

Question 3

What is the significance of the 'culmination of mean annual increment (CMAI)' in determining rotation length for timber production?

Accepted Answer

CMAI indicates the rotation age that maximizes average annual volume production per acre

Answer

Harvesting at CMAI maximizes the average annual volume yield per unit area over the rotation, making it the biologically efficient rotation for wood production.

Question 4

Which skidder configuration is most commonly used for whole-tree harvesting in southern US pine operations?

Accepted Answer

Grapple skidder

Answer

Grapple skidders are the standard machine for dragging whole trees from the stump to the landing in the flat to moderately sloped terrain of the US South.

Question 5

Prescribed fire is used as a silvicultural tool in longleaf pine ecosystems primarily to:

Accepted Answer

Maintain an open, grassy understory that favors longleaf pine regeneration and reduces fuel loads

Answer

Periodic prescribed fire in longleaf pine systems controls hardwood encroachment, maintains wiregrass ground cover, and reduces fire hazard while creating favorable seedbed conditions.

B.F. Bachelor of Forestry Practice Test

B.F. Bachelor of Forestry Practice Test

B.F. Bachelor of Forestry Bachelor of Forestry Forest Production Management 4