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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 stock assessment model assumes that a fish population's growth follows a logistic curve and that maximum sustainable yield occurs at half the carrying capacity?

    Answer: Schaefer surplus production model

    The Schaefer surplus production model uses logistic population growth, predicting MSY at B = K/2.

  2. A fisheries manager notices that the spawning stock biomass has declined below the limit reference point. Which action is MOST appropriate under U.S. federal fisheries law?

    Answer: Implement a rebuilding plan within 2 years

    The Magnuson-Stevens Act requires that a rebuilding plan be implemented within 2 years of a stock being declared overfished.

  3. What does the term 'effort creep' refer to in fisheries management?

    Answer: Gradual increase in fishing power that outpaces management measures

    Effort creep occurs when improvements in technology and efficiency increase effective fishing power even when nominal effort stays constant.

  4. Which concept describes the minimum population size below which a species is at high risk of extinction due to demographic stochasticity and inbreeding depression?

    Answer: Minimum viable population (MVP)

    Minimum viable population (MVP) is the smallest isolated population that has a specified probability of surviving for a given time period.

  5. In the context of ecosystem-based fisheries management (EBFM), what is a 'forage fish'?

    Answer: A small, schooling species that transfers energy from plankton to higher trophic levels

    Forage fish such as anchovies, herring, and menhaden are small schooling species that are critical prey for larger fish, seabirds, and marine mammals.

  6. The 'ghost fishing' phenomenon is most directly associated with which gear type?

    Answer: Abandoned or lost gillnets and traps

    Ghost fishing refers to the continued unintended capture and killing of fish and other wildlife by lost or abandoned gillnets, traps, and other entangling gear.

  7. A 'total allowable catch' (TAC) set below the maximum sustainable yield is an example of which management approach?

    Answer: Precautionary approach

    Setting TAC below MSY embodies the precautionary approach, providing a buffer against uncertainty in stock assessment and environmental variability.