CF Cheat Sheet 2026

The 30 highest-yield CF facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. Which tool is most commonly used by foresters to establish the geographic boundaries and spatial data layers within a forest management plan? → Geographic Information System (GIS) mapping software
2. Which type of project budget reserve is held by upper management and released only when an unforeseeable event occurs that changes project scope? → Management reserve
3. Which federal law specifically governs the management of pesticide applications in forestry operations and requires that applicators follow label directions? → Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA)
4. In CF practice, what is a needs assessment? → A systematic process to identify gaps between current conditions and desired outcomes
5. Which soil property is most directly measured by a double-ring infiltrometer in the field? → Saturated hydraulic conductivity and infiltration rate
6. In states with a forest practice regulatory program, a forester who fails to file a required pre-harvest notification may face: → Civil penalties and a stop-work order
7. Which planning document translates a forest management plan's goals into specific, time-bounded activities with assigned resources and measurable outcomes? → Annual work plan (or operational plan)
8. In CF practice, what is a needs assessment? → A systematic process to identify gaps between current conditions and desired outcomes
9. Which of the following BEST describes 'exposure' in the context of forest risk assessment? → The presence of valued resources or people within the range of a hazard
10. The 'intermediate' silvicultural treatments such as thinning, pruning, and release are collectively known as what? → Stand tending operations
11. In earned value management, the Schedule Performance Index (SPI) is calculated as: → Earned Value ÷ Planned Value
12. Which habitat feature is most critical for black bear denning in the eastern United States? → Large hollow trees or root masses in dense cover
13. Which component of a GPS receiver is responsible for differentiating signals from multiple satellites to improve positional accuracy? → The internal clock maintaining precise timing for signal travel-time calculations
14. When a forester discovers that a client has been conducting unauthorized harvest on adjacent private land, the forester's ethical obligation is to: → Advise the client to stop and seek legal counsel, then withdraw if the activity continues
15. In CF practice, what is the purpose of a standard operating procedure (SOP)? → To document step-by-step instructions for routine tasks to ensure consistency and quality
16. What is the primary ecological impact of invasive earthworms (e.g., Lumbricus terrestris) in North American hardwood forests? → Rapidly consume the forest floor duff layer, disrupting native plant communities
17. Point Relascope Sampling (PRS) extends the variable-radius concept to measure which additional stand attribute beyond basal area? → Tree volume and stand density simultaneously using angle counts at multiple heights
18. Which spectral band is most useful for detecting vegetation stress caused by insect infestation or drought in multispectral imagery? → Near-infrared (NIR, 750–900 nm)
19. If a 1-acre fixed-radius plot contains 12 trees of 10-inch DBH, what is the trees-per-acre (TPA) expansion factor when plot radius is 1/10 acre? → 120
20. In CF practice, what is a needs assessment? → A systematic process to identify gaps between current conditions and desired outcomes
21. When completing a forest management plan for a private landowner, what is the forester's first step before prescribing management activities? → Identifying and documenting the landowner's objectives and goals
22. Which practice most directly benefits neo-tropical migratory songbirds nesting in US forests? → Maintaining large blocks of interior forest with minimal edge
23. Which federal program provides financial incentives to private landowners for establishing wildlife habitat on marginal agricultural lands? → Conservation Reserve Program (CRP)
24. When using a fault tree analysis (FTA) for forest operation safety, what does an 'AND gate' indicate? → All listed events must occur simultaneously to produce the undesired outcome
25. Which of the following BEST describes the role of active listening during a public meeting about a timber harvest project? → Paraphrasing concerns back to speakers to confirm understanding and demonstrate respect
26. What is the purpose of a silvicultural prescription? → Prescribe forest treatments to meet goals
27. Which principle distinguishes a conflict of interest situation in forestry consulting? → The forester has a personal financial stake that could bias professional judgment
28. Under NEPA, which document is required when a federal action is determined to have NO significant environmental impact? → Finding of No Significant Impact (FONSI)
29. A forester identifies a stand with high mountain pine beetle (MPB) susceptibility. Which stand condition is the STRONGEST predictor of MPB outbreak risk? → Overstocked, mature lodgepole or ponderosa pine with water stress
30. A Real Estate Investment Trust (REIT) that specializes in timberland ownership is known as a: → Timber REIT