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  Cryptic male choice: sperm allocation strategies when female quality varies

Reinhold, K., Kurtz, J., & Engqvist, L. (2002). Cryptic male choice: sperm allocation strategies when female quality varies. Journal of Evolutionary Biology, 15(2), 201-209.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-DD6C-4 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-DD6D-2
Genre: Journal Article

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reinhold_2002.pdf (Publisher version), 138KB
 
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 Creators:
Reinhold, K., Author
Kurtz, J.1, Author              
Engqvist, L., Author
Affiliations:
1Department Evolutionary Ecology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445634              

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Free keywords: cryptic mate choice; evolutionary stable strategy; genetic algorithm; sexual selection; sperm competition
 Abstract: We examined evolutionary stable sperm allocation and included stochastic variation in male mating frequency, not included in previous models examining sperm allocation strategies. We assumed sperm mixing and variation in female quality and used a genetic algorithm to analyse the evolution of male sperm allocation. Our results show that males should invest more sperm in initial copulations than in subsequent copulations as a male might fail to mate again. The inclusion of variation in female fecundity had no influence on the evolutionary stable sperm allocation strategy if males were unable to recognize female quality. If males were assumed to allocate sperm in response to female quality, the proportion of sperm allocated was positively correlated with female quality. Moreover, with increasing variance in female quality, males conserved more sperm for later copulations. Literature data on sperm allocation from diverse taxa show a good fit with the predictions given by our model

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Language(s): eng - English
 Dates: 2002-03
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: eDoc: 8234
Other: 2124/S 37839
 Degree: -

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Title: Journal of Evolutionary Biology
  Alternative Title : J. Evol. Biol.
Source Genre: Journal
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Pages: - Volume / Issue: 15 (2) Sequence Number: - Start / End Page: 201 - 209 Identifier: ISSN: 1010-061X