Aquatic food production systems
Topic 4.3 covers fisheries, aquaculture, and the sustainability of aquatic food production. Students study maximum sustainable yield, the environmental impacts of overfishing and fish farming, and strategies for managing marine and freshwater food resources.
IB ESS · Topic 4.3
Sub-topics in Topic 4.3
4.3.1Phytoplankton and macrophytes4.3.2Food from fresh water and the sea4.3.3Rising demand for aquatic food4.3.4Unsustainable fishing methods4.3.5Fishery collapse4.3.6Maximum sustainable yield4.3.7Climate change, acidification and aquatic life4.3.8Managing fisheries4.3.9Marine protected areas4.3.10Aquaculture