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===Overkill=== Overkill happens whenever hunting occurs at rates greater than the reproductive capacity of the population is being exploited. The effects of this are often noticed much more dramatically in slow-growing populations such as many larger species of fish. Initially when a portion of a wild population is hunted, an increased availability of resources (food, etc.) is experienced increasing growth and reproduction as [[Density dependence|density dependent]] inhibition is lowered. Hunting, fishing and so on, have lowered the competition between members of a population. However, if this hunting continues at rate greater than the rate at which new members of the population can reach breeding age and produce more young, the population will begin to [[resource depletion|decrease in numbers]].<ref>{{cite web|url=http://www.conservationandwildlife.com/critical-species/|title=Critical Species|publisher=Conservation and Wildlife|access-date=14 July 2012|url-status=dead|archive-url=https://web.archive.org/web/20120519025342/http://www.conservationandwildlife.com/critical-species/|archive-date=19 May 2012}}</ref> Populations that are confined to islands, whether literal islands or just areas of habitat that are effectively an "island" for the species concerned, have also been observed to be at greater risk of dramatic population rise of deaths declines following [[Unsustainable fishing methods|unsustainable hunting]].
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