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  Condition dependence of reproductive strategy and the benefits of polyandry in a viviparous lizard

Eizaguirre, C., Laloi, D., Massot, M., Richard, M., Federici, P., & Clobert, J. (2007). Condition dependence of reproductive strategy and the benefits of polyandry in a viviparous lizard. Proceedings of the Royal Society B-Biological Sciences, 274(1608), 425-430. doi:10.1098/rspb.2006.3740.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-D7E9-B Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-D7EA-9
Genre: Journal Article

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eizaguirre_2007.pdf (Publisher version), 156KB
 
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 Creators:
Eizaguirre, Christophe1, Author              
Laloi, David, Author
Massot, Manuel, Author
Richard, Murielle, Author
Federici, Pierre, Author
Clobert, Jean, Author
Affiliations:
1Department Evolutionary Ecology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445634              

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Free keywords: polyandry; clutch size; late reproductive failures; mating systems; lizard
 Abstract: Species in which males do not contribute to reproduction beyond the provision of sperm offer good opportunities to study the potential genetic benefits that females can obtain from polyandry. Here, we report the results of a study examining the relationships between polyandry and components of female fitness in the common lizard (Lacerta vivipara). We found that polyandrous females produce larger clutches than monandrous females. Polyandrous females also lose fewer offspring during the later stages of gestation and at birth, but we did not find any relationship between polyandry and physical characteristics of viable neonates. Our results were consistent with the predictions of the intrinsic male quality hypothesis, while inbreeding avoidance and genetic incompatibility avoidance might also explain some part of the variation observed in clutch size. Moreover, the benefits of polyandry appeared to depend on female characteristics, as revealed by an interaction between reproductive strategy and female length on reproductive success. Thus, all females did not benefit equally from mating with multiple males, which could explain why polyandry and monandry coexist.

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Language(s): eng - English
 Dates: 2007-02
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: eDoc: 331357
DOI: 10.1098/rspb.2006.3740
Other: 2589/S 38748
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Title: Proceedings of the Royal Society B-Biological Sciences
  Alternative Title : Proc. R. Soc. B
Source Genre: Journal
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Pages: - Volume / Issue: 274 (1608) Sequence Number: - Start / End Page: 425 - 430 Identifier: ISSN: 0962-8452