IB ESS HL 4.3.6 Maximum Sustainable Yield Msy Questions
Interpret MSY and evaluate risks of harvesting beyond sustainable levels.
- Syllabus
- First assessment 2026
- Course
- ESS HL
- Level
- HL
Exam points
- calculate or explain maximum sustainable yield as the greatest harvest that does not deplete the renewable stock
- use biomass change, population growth and mortality to relate annual production to sustainable catch limits
- explain how quotas, monitoring, coordination and catches at or below MSY conserve renewable natural capital and avoid overexploitation
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IB ESS HL 4.3.6 Maximum Sustainable Yield Msy Questions question 1
Figure:Simplified map of the Lake Shergar area
the municipal-waste recycling chart shown above: A simplified diagram of the Lake Shergar area.
The lake provides a water supply for the local population.
With reference to the cattle in the area, explain how the maximum sustainable yield could be calculated.
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