Gce Model Questions Vol1 2019 Agricultural Science Question 20
Practice objective / multiple choice question 20 from the 2019 Gce Model Questions Vol1 Agricultural Science examination.
A lake supports a fish population that follows the logistic growth model \( \frac{dN}{dt}= rN\left(1-\frac{N}{K}\right) \) with intrinsic growth rate \( r = 0.4 \) year⁻¹ and carrying capacity \( K = 800{,}000 \) fish. A constant annual harvest H (fish year⁻¹) is imposed. (a) Derive the expression for the maximum sustainable yield (MSY) and the corresponding equilibrium population, (b) calculate the numerical values of the MSY (in fish per year) and the equilibrium population at MSY.
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This is Gce Model Questions Vol1 2019 Agricultural Science Question 20. It is one of the objective questions from the 2019 Gce Model Questions Vol1 Agricultural Science examination.
Difficulty level: Hard .
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