CF Forest Ecology and Silviculture 3

Question 1

Which of the following tree species is classified as highly shade tolerant?

Accepted Answer

Eastern hemlock

Answer

Eastern hemlock (Tsuga canadensis) is one of the most shade-tolerant tree species in North America.

Question 2

What is the primary ecological role of coarse woody debris (CWD) in forest ecosystems?

Accepted Answer

Providing habitat structure, nutrient cycling, and carbon storage

Answer

CWD provides critical wildlife habitat, contributes to nutrient cycling and carbon storage, and serves as seedbed for many plants.

Question 3

The 'intermediate' silvicultural treatments such as thinning, pruning, and release are collectively known as what?

Accepted Answer

Stand tending operations

Answer

Stand tending operations (also called intermediate treatments) are silvicultural practices applied between stand establishment and final harvest.

Question 4

Which nutrient is most commonly limiting to forest productivity in humid temperate forests?

Accepted Answer

Nitrogen

Answer

Nitrogen is the most commonly limiting nutrient in humid temperate forests, often restricting tree growth and productivity.

Question 5

What silvicultural concept describes removing trees of poor form, low vigor, or undesirable species to improve stand quality?

Accepted Answer

Improvement cutting

Answer

Improvement cutting removes trees of poor quality or undesirable species to improve overall stand composition and quality.

(CF) Certified Forester Exam Practice Test