Cumulative frequency-dependent selective episodes allow for rapid morph cycles and rock-paper-scissors dynamics in species with overlapping generations.
Details
Serval ID
serval:BIB_7F9DF3B3DA42
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
Cumulative frequency-dependent selective episodes allow for rapid morph cycles and rock-paper-scissors dynamics in species with overlapping generations.
Journal
Proceedings of the Royal Society. B Biological Sciences
ISSN
1471-2954 (Electronic)
ISSN-L
0962-8452
Publication state
Published
Issued date
2014
Peer-reviewed
Oui
Volume
281
Number
1788
Pages
20140976
Language
english
Abstract
Rock-paper-scissors (RPS) dynamics, which maintain genetic polymorphisms over time through negative frequency-dependent (FD) selection, can evolve in short-lived species with no generational overlap, where they produce rapid morph frequency cycles. However, most species have overlapping generations and thus, rapid RPS dynamics are thought to require stronger FD selection, the existence of which yet needs to be proved. Here, we experimentally demonstrate that two cumulative selective episodes, FD sexual selection reinforced by FD selection on offspring survival, generate sufficiently strong selection to generate rapid morph frequency cycles in the European common lizard Zootoca vivipara, a multi-annual species with major generational overlap. These findings show that the conditions required for the evolution of RPS games are fulfilled by almost all species exhibiting genetic polymorphisms and suggest that RPS games may be responsible for the maintenance of genetic diversity in a wide range of species.
Keywords
alternative strategies, evolutionary game theory, frequency-dependent selection, polymorphisms, sexual selection
Pubmed
Web of science
Open Access
Yes
Create date
14/11/2014 15:33
Last modification date
20/08/2019 14:40