Polyandry in a marine turtle : females make the best of a bad job

Lee, Patricia L.M. and Hays, Graeme C. 2004, Polyandry in a marine turtle : females make the best of a bad job, Proceedings of the National Academy of Sciences of the United States of America, vol. 101, no. 17, pp. 6530-6536, doi: 10.1073/pnas.0307982101.

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Title Polyandry in a marine turtle : females make the best of a bad job
Author(s) Lee, Patricia L.M.ORCID iD for Lee, Patricia L.M. orcid.org/0000-0002-8489-9206
Hays, Graeme C.ORCID iD for Hays, Graeme C. orcid.org/0000-0002-3314-8189
Journal name Proceedings of the National Academy of Sciences of the United States of America
Volume number 101
Issue number 17
Start page 6530
End page 6536
Total pages 7
Publisher National Academy of Sciences
Place of publication Washington, D.C.
Publication date 2004
ISSN 0027-8424
Summary The female perspective on reproductive strategies remains one of the most active areas of debate in biology. Even though a single mating is often sufficient to satisfy the fertilization needs of most females and the act of further mating incurs costs, multiple paternity within broods or clutches is a common observation in nature. Direct or indirect advantage to females is the most popular explanation. However, the ubiquity of this explanation is being challenged by an increasing number of cases for which benefits are not evident. For the first time, we test possible fitness correlates of multiple paternity in a marine turtle, an organism that has long attracted attention in this area of research. Contrary to the wide-spread assumption that multiple mating by female marine turtles confers fitness benefits, none were apparent. In this study, the environment played a far stronger role in determining the success of clutches than whether paternity had been single or multiple. A more likely explanation for observations of multiply sired clutches in marine turtles is that these are successful outcomes of male coercion, where females have conceded to superfluous matings as a compromise. Thus, multiple matings by female marine turtles may be a form of damage control as females attempt to make the best of a bad job in response to male harassment.
Language eng
DOI 10.1073/pnas.0307982101
Field of Research 070499 Fisheries Sciences not elsewhere classified
060411 Population, Ecological and Evolutionary Genetics
060201 Behavioural Ecology
Socio Economic Objective 960808 Marine Flora, Fauna and Biodiversity
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2004, National Academy of Sciences
Persistent URL http://hdl.handle.net/10536/DRO/DU:30056221

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