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Environment-dependent selection on mate choice in a natural population of birds
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Genetics, Animal Ecology.
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Genetics, Animal Ecology.ORCID iD: 0000-0002-1178-4053
2012 (English)In: Ecology Letters, ISSN 1461-023X, E-ISSN 1461-0248, Vol. 15, no 6, 611-618 p.Article in journal (Refereed) Published
Abstract [en]

Female mate choice acts as an important evolutionary force, yet the influence of the environment on both its expression and the selective pressures acting upon it remains unknown. We found consistent heritable differences between females in their choice of mate based on ornament size during a 25-year study of a population of collared flycatchers. However, the fitness consequences of mate choice were dependent on environmental conditions experienced whilst breeding. Females breeding with highly ornamented males experienced high relative fitness during dry summer conditions, but low relative fitness during wetter years. Our results imply that sexual selection within a population can be highly variable and dependent upon the prevailing weather conditions experienced by individuals.

Place, publisher, year, edition, pages
2012. Vol. 15, no 6, 611-618 p.
Keyword [en]
Environmental heterogeneity, genotype-environment interaction, mate choice, sexual selection
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:uu:diva-175531DOI: 10.1111/j.1461-0248.2012.01780.xISI: 000303666200013OAI: oai:DiVA.org:uu-175531DiVA: diva2:531965
Available from: 2012-06-08 Created: 2012-06-08 Last updated: 2017-12-07Bibliographically approved

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Gustafsson, LarsQvarnström, Anna

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