Journal article
Social and genetic interactions drive fitness variation in a free-living dolphin population
Proceedings of the National Academy of Sciences, Vol.107(46), pp.19949-19954
2010
Abstract
The evolutionary forces that drive fitness variation in species are of considerable interest. Despite this, the relative importance and interactions of genetic and social factors involved in the evolution of fitness traits in wild mammalian populations are largely unknown. To date, a few studies have demonstrated that fitness might be influenced by either social factors or genes in natural populations, but none have explored how the combined effect of social and genetic parameters might interact to influence fitness. Drawing from a long-term study of wild bottlenose dolphins in the eastern gulf of Shark Bay, Western Australia, we present a unique approach to understanding these interactions. Our study shows that female calving success depends on both genetic inheritance and social bonds. Moreover, we demonstrate that interactions between social and genetic factors also influence female fitness. Therefore, our study represents a major methodological advance, and provides critical insights into the interplay of genetic and social parameters of fitness.
Details
- Title
- Social and genetic interactions drive fitness variation in a free-living dolphin population
- Authors/Creators
- C.H. Frere (Author/Creator)M. Krützen (Author/Creator)J. Mann (Author/Creator)R.C. Connor (Author/Creator)L. Bejder (Author/Creator)W.B. Sherwin (Author/Creator)
- Publication Details
- Proceedings of the National Academy of Sciences, Vol.107(46), pp.19949-19954
- Publisher
- National Academy of Sciences
- Identifiers
- 991005543079707891
- Copyright
- (c) The Authors
- Murdoch Affiliation
- Centre for Fish and Fisheries Research
- Language
- English
- Resource Type
- Journal article
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