population cycle - Hutchinson encyclopedia article about population cycle Printer Friendly
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population cycle

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population cycle

In biology, regular fluctuations in the size of a population, as seen in lemmings, for example. Such cycles are often caused by density-dependent mortality: high mortality due to overcrowding causes a sudden decline in the population, which then gradually builds up again. Population cycles may also result from an interaction between a predator and its prey.



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