IB ESS HL 4.3.6 Maximum Sustainable Yield Question Bank
Interpret MSY and evaluate risks of harvesting beyond sustainable levels.
- Syllabus
- First assessment 2026
- Course
- ESS HL
- Level
- HL
Exam points
- identify the aquatic-system process or pollution indicator
- apply the relevant conservation, quality or management model
- evaluate ecological and human trade-offs from evidence
4.3.6—Maximum sustainable yield (MSY) 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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