dy y(60 – y) – 800 dt (1) models a logistic equation with harvesting, where y(t) represents a keyhole limpet snail population (Figure 1) at time t, measured in years. a) What is the per capita growth rate of the limpet snail population? b) What is the rate at which the limpet snails is harvested? c) The limiting and threshold solutions are, respectively, y(t) = and y(t) =

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Figure
https://www.dorsetwildlifetrust.org.uk/wildlife-explorer/marine/sea-snails-and-sea-
slugs/keyhole-limpet)
1:
limpet
snail
speciman.
(Image
courtesy
of:
Transcribed Image Text:Figure https://www.dorsetwildlifetrust.org.uk/wildlife-explorer/marine/sea-snails-and-sea- slugs/keyhole-limpet) 1: limpet snail speciman. (Image courtesy of:
Suppose that the DE
dy
y(60 – y) – 800
dt
(1)
models a logistic equation with harvesting, where y(t) represents a keyhole limpet snail population
(Figure 1) at time t, measured in years.
a) What is the per capita growth rate of the limpet snail population?
b) What is the rate at which the limpet snails is harvested?
c) The limiting and threshold solutions are, respectively, u(t) =
and
y(t)
Transcribed Image Text:Suppose that the DE dy y(60 – y) – 800 dt (1) models a logistic equation with harvesting, where y(t) represents a keyhole limpet snail population (Figure 1) at time t, measured in years. a) What is the per capita growth rate of the limpet snail population? b) What is the rate at which the limpet snails is harvested? c) The limiting and threshold solutions are, respectively, u(t) = and y(t)
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