The rate at which a population increases in size if there are no density-dependent forces regulating the population is known as the intrinsic rate of increase.
Where (dN/dt) is the rate of increase of the population and N is the population size, r is the intrinsic rate of increase. This is therefore the theoretical maximum rate of increase of a population per individual . The concept is commonly used in insect population biology to determine how environmental factors affect the rate at which pest populations increase. See also exponential population growth and logistic population growth.
Read more about this topic: Population Dynamics
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