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Low Genetic Variance in the Duration of the Incubation Period in a Collared Flycatcher (Ficedula albicollis) Population
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.
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: American Naturalist, ISSN 0003-0147, E-ISSN 1537-5323, Vol. 179, no 1, 132-136 p.Article in journal (Refereed) Published
Abstract [en]

The avian incubation period is associated with high energetic costs and mortality risks suggesting that there should be strong selection to reduce the duration to the minimum required for normal offspring development. Although there is much variation in the duration of the incubation period across species, there is also variation within species. It is necessary to estimate to what extent this variation is genetically determined if we want to predict the evolutionary potential of this trait. Here we use a long-term study of collared flycatchers to examine the genetic basis of variation in incubation duration. We demonstrate limited genetic variance as reflected in the low and nonsignificant additive genetic variance, with a corresponding heritability of 0.04 and coefficient of additive genetic variance of 2.16. Any selection acting on incubation duration will therefore be inefficient. To our knowledge, this is the first time heritability of incubation duration has been estimated in a natural bird population.

Place, publisher, year, edition, pages
2012. Vol. 179, no 1, 132-136 p.
Keyword [en]
animal model, life history, heritability, incubation period, pedigree, quantitative genetics
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:uu:diva-167179DOI: 10.1086/663193ISI: 000298379200014OAI: oai:DiVA.org:uu-167179DiVA: diva2:483360
Available from: 2012-01-25 Created: 2012-01-23 Last updated: 2017-12-08Bibliographically approved

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Husby, ArildGustafsson, LarsQvarnström, Anna

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