Population Estimation Methods Quiz
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Questions and Answers

What is the primary purpose of the mark-and-recapture method?

  • To estimate the size of a fish population
  • To measure changes in body size
  • To distinguish between different age groups of fish
  • To quantify the period of time between release and recapture (correct)

    • What kind of data can be used in growth models?

  • Length–frequency analysis
  • Changes in body size (correct)
  • Data from hatchery-reared fish
  • Data from fish captured in situ

    • What assumption must be met in order to gain insights into the size of the fish population?

  • The distribution of lengths must be unimodal (correct)
  • The age group of the fish must be known
  • The fish must be hatchery-reared
  • The period of time between release and recapture must be quantified

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