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Fish Densities and Biomass on Artificial Reefs vs Natural Habitats
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Fish Densities and Biomass on Artificial Reefs vs Natural Habitats

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Questions and Answers

What was observed by Lindberg and coauthors in recreational fisheries after eight months?

  • All legal sized gag were removed (correct)
  • Total biomass on fished reefs increased by 77%
  • 3,038 lbs. of fish were added to the reefs
  • Abundance increased by 40%

    • According to Brock (1994), what was the average commercial catch in kg/day?

  • 31 kg (correct)
  • 40 kg
  • 50 kg
  • 34.8 kg

    • What impact did the researchers find that newly deployed ARs had on fish species, according to Matthews (1985)?

  • Prevented colonization by adult fish
  • Reduced total fish species recorded
  • Decreased fish movement from natural reefs
  • Increased colonization by adult fish (correct)

    • What misconception was highlighted by Michael Miglini regarding artificial reefs and their economic benefits?

    <p>&quot;An artificial reef boosts the ocean's capacity to create fish&quot;</p> Signup and view all the answers

    Why do many researchers view ARs as a potential risk for overexploitation according to the text?

    <p>Due to the rapid colonization by adult fish on newly deployed ARs</p> Signup and view all the answers

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