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Fisheries Management & Conservation Flashcards

7 cards from real CFP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. Which federal agency administers the National Marine Fisheries Service (NMFS/NOAA Fisheries) and holds primary authority for managing marine fisheries in the U.S. Exclusive Economic Zone?

    Answer: National Oceanic and Atmospheric Administration

    NMFS operates under NOAA within the Department of Commerce and manages marine fisheries resources in the U.S. EEZ (3–200 nautical miles).

  2. Depletion-based stock assessment methods such as the Leslie-DeLury method are most appropriate when:

    Answer: A population is sampled repeatedly during a short removal experiment

    Depletion methods use sequential removal data to estimate initial abundance by tracking the decline in catch-per-unit-effort during a brief, intensive removal experiment.

  3. What is the primary ecological function of riparian buffer strips adjacent to streams?

    Answer: Filter nonpoint source pollutants and stabilize stream banks

    Riparian buffers intercept agricultural runoff, reduce sedimentation, stabilize banks with root systems, and provide shade and woody debris inputs to streams.

  4. Which index is most commonly used to evaluate fish community condition and biological integrity in rivers and streams in the U.S.?

    Answer: Index of Biotic Integrity (IBI)

    The Index of Biotic Integrity (IBI), developed by James Karr in 1981, uses multiple fish metrics to assess ecological health relative to least-disturbed reference conditions.

  5. Under the Endangered Species Act, a 'candidate species' is one that:

    Answer: Is warranted for listing but precluded by higher-priority actions

    Candidate species are those for which USFWS or NMFS has sufficient information to support listing as threatened or endangered but which are precluded from listing by other higher-priority actions.

  6. The 'stock-recruit relationship' in fisheries describes the link between:

    Answer: Spawning stock biomass and the number of juveniles that survive to recruitment

    Stock-recruit relationships (e.g., Beverton-Holt, Ricker) model the functional relationship between parent spawning biomass and the number of offspring that survive to recruit to the fishable population.

  7. A fisheries manager wants to estimate the age structure of a walleye population. Which structure is MOST commonly used for aging this species?

    Answer: Otoliths

    Otoliths (sagittae) are preferred for aging walleye because they produce clearer annual rings (annuli) than scales, especially in older fish.