Araya-Ajoy, Yimen G., Norwegian University of Science and Technology
Teplitsky, Céline, Centre d'Ecologie Fonctionnelle et Evolutive
Bouwhuis, Sandra, Institute of Avian Research
Charmantier, Anne, Centre d'Ecologie Fonctionnelle et Evolutive
Published Jul 24, 2020 on Dryad.
Cite this dataset
Moiron, Maria et al. (2020). Data from: Understanding the social dynamics of breeding phenology: indirect genetic effects and assortative mating in a long distance migrant [Dataset]. Dryad. https://doi.org/10.5061/dryad.5mkkwh73c
Phenological traits, such as the timing of reproduction, are often influenced by social interactions between paired individuals. Such partner effects may occur when pair members affect each other’s pre-breeding environment. Partner effects can be environmentally and/or genetically determined, and quantifying direct and indirect genetic effects is important for understanding the evolutionary dynamics of phenological traits. Here, using 26 years of data from a pedigreed population of a migratory seabird, the common tern ( Sterna hirundo ), we investigate male and female effects on female laying date. We find that female laying date harbors both genetic and environmental variation, and is additionally influenced by the environmental, and, to a lower extent, genetic, component of her mate. We demonstrate this partner effect to be largely explained by male arrival date. Interestingly, analyses of mating patterns with respect to arrival date show mating to be strongly
assortative and, using simulations, we show that this assortative mating for arrival date leads to overestimation of partner effects. Our study provides evidence for partner effects on breeding phenology in a long distance migrant, while uncovering the potential causal pathways underlying the observed effects and raising awareness for confounding effects due to assortative mating or other common environmental effects.
Data used for models presented in:
Understanding the social dynamics of breeding phenology: indirect genetic effects and assortative mating in a long distance migrant
by Moiron M., Araya-Ajoy Y.G., Teplitsky C., Bouwhuis S. and Charmantier A.
published in American Naturalist
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European Commission, Award: 793550
European Research Council, Award: ERC-2013-StG-337365-SHE