A Primer of Ecology
With the aim of teaching students the essential models in population and community ecology, this book explains in detail the basic concepts of exponential and logistic population growth, age-structured demography, metapopulation dynamics, competition, predation and island biogeography.
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200 180 160 140 120 100 0 l I I I I I I l I I 0 10 20 30 40 50 60 70 80 90 100 Time (t
) Figure 2.2 Logistic growth curve. ... In the logistic model, if the population should
begin above K, Equation 2.1 takes on a negative value, and N will decline ...
For the logistic model, we will now assume that r is fixed, but that the carrying
capacity varies randomly with time. Random variation in K means that the
maximum population size that the environment can support changes
unpredictably with ...
... size-structured model, 78, 79 Cows, doubling time, 8–9 Curves immigration
and extinction, 176–177, 181–182, 189–190 survivorship, 61–62, 76 Cycles in
carrying capacity, 40–42 hare—lynx populations, 161–162 in logistic growth
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LibraryThing ReviewUser Review - dougb56586 - www.librarything.com
This is a very good introduction to the mathematical models used in population dynamics. The author begins with a simple exponential model of population growth, gradually extends the model to account ... Read full review
Logistic Population Growth
AgeStructured Population Growth
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