Population Crash

Published: | Updated: January 31, 2017

Definition - What does Population Crash mean?

A population crash is a sudden decline in the numbers of individual members in a population, species or group of organisms. The term is most often used when referring to a drastic decline in human population, which impacts the economy and the quality of life of individuals in the population. It is also used when examining groups of plants or animals.

Safeopedia explains Population Crash

The causes of a population crash are somewhat varied, but include scarcity of environmental resources that are needed for survival, growth and reproduction, predation, and waste accumulation. It can also be caused by an initially overpopulated group and competition between members of the same species. A population crash often follows a peak and can lead to eventual extinction, as an environment is unable to support a species any longer.

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