Multiple Choice
A fishery that harvests wild, migrating salmon has a carefully calculated MSY and annually takes a catch that is below this limit. The fishery maintains a consistent catch for many years and monitors conditions in the catch area which they use to adjust their MSY accordingly. However, despite no changes in the catch area, there is a sudden and sharp decline in fish stocks. What could explain this observation?
A) There is a decline in available food stocks.
B) A prolonged, extreme weather event in the high latitude rivers where the salmon spawn caused a sharp drop in recruitment.
C) The MSY was incorrectly calculated in the first instance.
D) The population has reached its carrying capacity.
E) The maturation rate of the population has slowed
Correct Answer:
Verified
Correct Answer:
Verified
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