All flashcards topics

4.3 Aquatic food production systemsIB Environmental Systems and Societies HL: Flashcards

What these 15 flashcards ask

  • Which organisms provide energy for aquatic food webs?
  • Why is demand for seafood increasing?
  • What is overexploitation?
  • Give an example of a collapsed fishery.
  • Define maximum sustainable yield.
  • How is MSY used in management?
  • How does ocean acidification affect marine life?
  • Give two policy measures to reduce overfishing.
  • How do MPAs help fisheries?
  • Define aquaculture.
  • Give two environmental impacts of aquaculture.
  • (HL) How does thermal stratification affect productivity?
  • (HL) Why must MSY be managed carefully?
  • (HL) How far does an EEZ extend under UNCLOS?
  • (HL) What ethical issue is raised by harvesting whales, seals and dolphins?

Written by the Exaim team, led by Shaun Daswani (Head of Upper Secondary, Improve ME Institute; MSc Financial Mathematics, Imperial College London; BSc, UCL) and Jason Daswani (operational lead, Improve ME Institute; LSE).