Fish, fishing, & overfishing

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11 Terms

1
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Fish account fo over __% of the 48,000 living vertebrate species.

50

2
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How many new species of fish are found annually?

100

3
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What are fish exploited for?

  • Food

  • Fishmeal

  • Fashion

  • Recreational fishing

  • Aquarium trade

4
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How many million tons of fish are taken from the sea per year?

92

5
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What’s the difference between demersal fish & pelagic fish?

Demersal live on/near the boom of the seabed/lakes, pelagic live in the pelagic zone

6
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What are passive fishing techniques? Give some examples.

Set gear; drifting gear, static gear, hooks & traps, gillnets, longling, pots

7
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What are active fishing techniques? Give some examples.

Targets are pursued; mid-water trawls, purse seines, beam trawls, otter trawls & dredges, SCUBA, explosives, poisons

8
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What are the benefits from the fishing industry?

  • Generates income & provides employment for millions

  • Alleviates poverty

  • Provides food security

9
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Define overfishing.

Depletion of a stock of fish by excessive fishing.

10
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Humans are _____ predators.

Super

11
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What are some solutions to rebuild fish populations?

  • Stop fishing

  • Better management/enforcement

  • Reduce capacity (of boats & gear)

  • Aquaculture

  • Establish marine Protected Areas

  • Personal Responsibility