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IB ESS 4.3.5 Fishery collapse

IB ESS 4.3.5 Fishery collapse
IB Environmental Systems and Societies syllabusESS SL/HLFirst assessment 2026

Practise analysing fishery collapse as a lasting fall in stock caused by demand, overfishing and weak management of capture fisheries.

How this is tested

  • compare capture fisheries with aquaculture using stock decline and environmental impacts
  • explain how overfishing can cause a lasting stock decrease,
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