4.3.8—Mitigation strategies
- Syllabus
- First assessment 2026
- Objective
- 4.3.8
- Level
- HL
Effective fisheries combine controls that limit who fishes, how much is removed, when and where, and whether rules are obeyed.
International agreements can coordinate shared or migratory stocks; national permits and quotas cap participation and removal; local closed seasons, mesh sizes and no-take zones protect spawning, juveniles and habitat. Food labels and traceability let consumers avoid unsustainably harvested species, while monitoring and enforcement make every level credible.
A quota without a spawning closure can still remove breeding adults at the most sensitive time.
Each rule targets a different failure mode; combined controls reduce loopholes and protect recruitment.
A label or rule on paper is not management success without monitoring and credible enforcement.