BIOL208 Lecture 16: Lecture 16 Modelling Population 2
22 Dec 2018
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Lecture 16: estimating rates for overlapping generations. Males are not included in this calculation as they are not a limiting factor. In overlapping generations, a female may reproduce more than once; daughter may reproduce the same time as mother. Per capita rate of increase <0 net reproductive rate (r0) <1 death + emigration. > birth + immigration population is shrinking: geometric and exponential population growth. If plenty of resources is made available, population grow at their maximum rate. Each successive generation differs in size by a constant ratio geometric population growth, j shaped curve. Way of modelling population growth in organisms with pulsed reproduction. This model increases population very rapidly; rarely seen in the natural world; important to study to understand real growth rates. Each successive generation differs in size based on a constant ratio times population size at that moment in time exponential population growth, j shaped curve. Way of modelling continuous population growth; populations with overlapping generations.
