Exam 3 #5

UIC BioS 101 Nyberg

19

The “logistic” model of growth

• We take our exponential model (per capita growth constant) and add a new parameter, a, that reduces the growth rate in proportion to the population size

• dN/dt = r•N – a•N2

• per capita growth rate dN/N•dt = r – a•N

dN/N•dt

N

Speaker Notes:

19

What does the green line tell you?