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Date November 2011 Marks available 6 Reference code 11N.3.HL.TZ0.12
Level Higher level Paper Paper 3 Time zone TZ0
Command term Discuss Question number 12 Adapted from N/A

Question

Discuss international measures that would promote the conservation of fish stocks.

Markscheme

large areas of ocean under no government control therefore need for international agreement/legislation;
fish stocks are a renewable resource if managed properly/should not be overexploited;
total allowable catches/quotas to limit maximum catch;
regulation of mesh sizes/selective fishing gear/limit size of fish caught/ban drift nets;
limit fishing effort by reducing the number of fishing days at sea of fishing vessels;
fix the number and type of fishing vessels authorized to fish;
cooperation may be difficult as most laws made at national level;
closed areas/total ban on fishing in threatened areas;
closed seasons banning fishing during breeding season;
use of fish farms;

Examiners report

Many candidates made a list of measures rather than their "discussion‟. Answers tended to score well compared to other options, although in the future no mark shall be given if a full discussion is not given.

Syllabus sections

Option C: Ecology and conservation » Option C: Ecology and conservation (Core topics) » C.4 Conservation of biodiversity
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