GCSE Biology (WJEC)

Topic Summaries

Food supply and biotechnology

Sustainable fisheries

  • Fish stocks in the oceans are declining.
  • It is important to maintain fish stocks at a level where breeding continues, or certain species may disappear in some areas.
  • Introducing fishing quotas and regulating net sizes play important roles in the conservation of fish stocks at a sustainable level.
  • Preventing overfishing promotes the recovery of fish stocks.

Unlock Sustainable fisheries

Sign up to unlock the rest of this topic — plus every other topic, video, flashcard set and eBook guide in your SnapRevise+ subscription.

Cancel anytime — instant access the moment you sign up.