FM Study Guide 2026

Snags are critical habitat structures providing nesting and roosting sites for woodpeckers, owls, bats, and many other cavity-dependent species.

PAI is the average annual volume, basal area, or height growth calculated by dividing total growth over a measurement period (e.g., 10 years) by the number of years in that period.

An HCP permits incidental take of listed species that occurs alongside otherwise lawful activities, provided the landowner implements agreed-upon conservation measures.

Engaging local communities in forest protection initiatives is vital because they often have traditional knowledge of the ecosystem and a direct stake in its health. Their involvement fosters a sense of ownership and responsibility, leading to greater support for conservation efforts and reduced instances of illegal activities. Collaboration with communities ensures that protection strategies are culturally appropriate, effective, and sustainable in the long run.

Old-growth forests are characterized by large, old trees, structural complexity, multi-layered canopies, large snags, and abundant down wood that supports many species found nowhere else.

The USDA Forest Service's State and Private Forestry branch administers the Forest Stewardship Program, working through state forestry agencies to assist private landowners.