B.F. Bachelor of Forestry Study Guide 2026

If a timber sale contract expires without completion, the Forest Service retains the performance bond, may pursue damages for contract breach, and can require the purchaser to rehabilitate any disturbed areas.

A climax community maintains itself through reproduction without further directional change under stable environmental conditions.

The Shannon-Wiener index accounts for both the number of species and the evenness of their relative abundances.

Nitrogen is typically the most limiting macronutrient in boreal and temperate forests because slow decomposition rates limit nitrogen mineralization from organic matter.

In the Greater Yellowstone Ecosystem, while wolves do prey on bison, elk are by far the majority of their prey items. Bison are large and formidable, making them a more challenging target for wolves compared to elk. The other statements about bison in Yellowstone are generally true, including their brucellosis concerns, population growth after natural fluctuation, and the legality of killing them outside the park.

Air-drying uses natural air circulation around stickered lumber stacks outdoors or in open sheds to slowly reduce moisture content without mechanical drying.