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Sex-specific effects of outbreeding on offspring quality in pike (Esox lucius)
Linnaeus University, Faculty of Health and Life Sciences, Department of Biology and Environmental Science. (Ctr Ecol & Evolut Microbial Model Syst EEMiS)
Linnaeus University, Faculty of Health and Life Sciences, Department of Biology and Environmental Science. (Ctr Ecol & Evolut Microbial Model Syst EEMiS)
Linnaeus University, Faculty of Health and Life Sciences, Department of Biology and Environmental Science. (Ctr Ecol & Evolut Microbial Model Syst EEMiS)ORCID iD: 0000-0003-0344-1939
Linnaeus University, Faculty of Health and Life Sciences, Department of Biology and Environmental Science. (Evolutionary ecology;Ctr Ecol & Evolut Microbial Model Syst EEMiS)
2018 (English)In: Ecology and Evolution, ISSN 2045-7758, E-ISSN 2045-7758, Vol. 8, no 21, p. 10448-10459Article in journal (Refereed) Published
Abstract [en]

Intraspecific genetic admixture occurs when previously separated populations withina species start interbreeding, and it can have either positive, negative, or neutral effectson reproductive performance. As there currently is no reliable predictor for theoutcome of admixture, an increased knowledge about admixture effects in differentspecies and populations is important to increase the understanding about what determinesthe response to admixture. We tested for effects of admixture on F1 offspringquality in three subpopulations of pike (Esox lucius). Gametes were collected inthe field, and eggs from each female were experimentally fertilized with milt from amale from each population (one “pure” and two “admixed” treatments). Three offspringquality measures (hatching success, fry survival, and fry length) were determinedand compared between (a) pure and admixed population combinations and (b)the sex-specifictreatments within each admixed population combination (based onthe origin of the male and female, respectively). The results suggested that althoughthere were no overall effects of admixture on offspring quality, the consequences fora given population combination could be sex-specificand thus differ depending onwhich of the parents originated from one or the other population. All offspring qualitytraits were influenced by both maternal ID and paternal ID. Sex-andindividual-specificeffects can have implications for dispersal behavior and gene flow betweennatural populations, and are important to consider in conservation efforts.

Place, publisher, year, edition, pages
Wiley-Blackwell, 2018. Vol. 8, no 21, p. 10448-10459
National Category
Evolutionary Biology Ecology
Research subject
Natural Science, Ecology
Identifiers
URN: urn:nbn:se:lnu:diva-78895DOI: 10.1002/ece3.4510ISI: 000450351400008PubMedID: 30464817Scopus ID: 2-s2.0-85054334923OAI: oai:DiVA.org:lnu-78895DiVA, id: diva2:1264408
Funder
Swedish Research Council Formas, 2017-00346Lars Hierta Memorial Foundation, FO2017-0113Ecosystem dynamics in the Baltic Sea in a changing climate perspective - ECOCHANGEAvailable from: 2018-11-20 Created: 2018-11-20 Last updated: 2019-08-29Bibliographically approved

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Sunde, JohannaTibblin, PetterLarsson, Per

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