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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-42049

Rankin, D J; Dieckmann, U; Kokko, H (2011). Sexual conflict and the tragedy of the commons. American Naturalist, 177(6):780-791.

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It is widely understood that the costs and benefits of mating can affect the fecundity and survival of individuals. Sexual conflict may have profound consequences for populations, due to the negative effects it causes males and females to have on one another’s fitness. Here we present a model describing the evolution of sexual conflict, in which males inflict a direct cost on female fitness. We show that these costs can drive the entire population to extinction. To males, females are an essential, but finite, resource over which they have to compete. Population extinction owing to sexual conflict can therefore be seen as an evolutionary ‘tragedy of the commons’. Our model shows that a positive feedback between harassment and the operational sex ratio is responsible for the demise of females, and thus for population extinction. We further show that the evolution of female resistance to counter harassment can prevent a tragedy of the commons. Our findings not only demonstrate that sexual conflict can drive a population extinct, but also highlight how simple mechanisms, such as harassment costs to males and females and the coevolution between harassment and resistance, can help avert a tragedy of the commons caused by sexual conflict.


35 citations in Web of Science®
37 citations in Scopus®
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285 downloads since deposited on 08 Mar 2011
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Evolutionary Biology and Environmental Studies
Dewey Decimal Classification:570 Life sciences; biology
590 Animals (Zoology)
Deposited On:08 Mar 2011 18:06
Last Modified:05 Apr 2016 14:34
Publisher:University of Chicago Press
Publisher DOI:10.1086/659947
PubMed ID:21597254

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