Unifying quantification methods for sexual selection and assortative mating using information theory

Carvajal-Rodríguez, A.

Theoretical Population Biology, 2024, vol. 158, issue C, 206-215

Abstract: Sexual selection plays a crucial role in modern evolutionary theory, offering valuable insight into evolutionary patterns and species diversity. Recently, a comprehensive definition of sexual selection has been proposed, defining it as any selection that arises from fitness differences associated with nonrandom success in the competition for access to gametes for fertilization. Previous research on discrete traits demonstrated that non-random mating can be effectively quantified using Jeffreys (or symmetrized Kullback-Leibler) divergence, capturing information acquired through mating influenced by mutual mating propensities instead of random occurrences. This novel theoretical framework allows for detecting and assessing the strength of sexual selection and assortative mating.

Keywords: Quantitative traits; Sexual selection; Assortative mating; Jeffreys divergence (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:thpobi:v:158:y:2024:i:c:p:206-215

DOI: 10.1016/j.tpb.2024.06.007

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