Neco Model Questions Vol1 2025 Agricultural Science Question 49
Practice objective / multiple choice question 49 from the 2025 Neco Model Questions Vol1 Agricultural Science examination.
A fish population in a lake follows the logistic growth model \(\dfrac{dN}{dt}=rN\left(1-\dfrac{N}{K}\right)\) with intrinsic rate \(r=0.4\) yr⁻¹ and carrying capacity \(K=80,000\) fish. The fishery harvests a constant proportion \(h\) of the population each year (continuous harvest). Determine the value of \(h\) that maximizes the sustainable yield and give the corresponding equilibrium population size. Express \(h\) as a decimal (e.g., 0.2) and the equilibrium population as an integer.
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This is Neco Model Questions Vol1 2025 Agricultural Science Question 49. It is one of the objective questions from the 2025 Neco Model Questions Vol1 Agricultural Science examination.
Difficulty level: Hard .
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