Neco Model Questions Vol1 2023 Agricultural Science Question 34
Practice objective / multiple choice question 34 from the 2023 Neco Model Questions Vol1 Agricultural Science examination.
The fish population in a lake follows the logistic growth model \( \frac{dN}{dt}=rN\left(1-\frac{N}{K}\right) \) where the intrinsic growth rate \( r = 0.5\ \text{year}^{-1} \) and the carrying capacity \( K = 200{,}000 \) fish. Determine the maximum sustainable yield (MSY) and the stock size at which it occurs. Then calculate the annual harvest if the fishery extracts 25 % of the MSY each year.
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This is Neco Model Questions Vol1 2023 Agricultural Science Question 34. It is one of the objective questions from the 2023 Neco Model Questions Vol1 Agricultural Science examination.
Difficulty level: Hard .
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