The PopulationAge model (Population Dynamics with Age Classes)

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Description

Population Dynamics Model with Age Classes for an insect

Usage

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  population.age.model(rb = 3.5, mE = 0.017, rE = 0.172,
    m1 = 0.06, r12 = 0.217, m2 = 0.032, r23 = 0.313,
    m3 = 0.022, r34 = 0.222, m4 = 0.02, r4P = 0.135,
    mP = 0.02, rPA = 0.099, mA = 0.027, iA = 0,
    duration = 100, dt = 1)

Arguments

rb

: eggs laid per adult per unit area (day-1)

rE

: eggs hatch (day-1)

r12

: relative rate L1->L2 (day-1)

r23

: relative rate L2->L3 (day-1)

r34

: relative rate L3->L4 (day-1)

r4P

: relative rate L4->P (day-1)

rPA

: relative rate P->A (day-1)

mE

: relative mortality rate of egg (day-1)

m1

: relative mortality rate of larvae L1 (day-1)

m2

: relative mortality rate of larvae L2 (day-1)

m3

: relative mortality rate of larvae L3 (day-1)

m4

: relative mortality rate of larvae L4 (day-1)

mP

: relative mortality rate of purpae (day-1)

mA

: relative mortality rate of adult L1 (day-1)

iA

: input rate of adult (unit.day-1)

duration

: simulation duration

dt

: time step for integration

Value

data.frame with values for state variables for each time step.

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