Title |
Environmental quality alters female costs and benefits of evolving under enforced monogamy
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Published in |
BMC Ecology and Evolution, February 2014
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DOI | 10.1186/1471-2148-14-21 |
Pubmed ID | |
Authors |
Vera M Grazer, Marco Demont, Łukasz Michalczyk, Matthew JG Gage, Oliver Y Martin |
Abstract |
Currently many habitats suffer from quality loss due to environmental change. As a consequence, evolutionary trajectories might shift due to environmental effects and potentially increase extinction risk of resident populations. Nevertheless, environmental variation has rarely been incorporated in studies of sexual selection and sexual conflict, although local environments and individuals' condition undoubtedly influence costs and benefits. Here, we utilise polyandrous and monogamous selection lines of flour beetles, which evolved in presence or absence of sexual selection for 39 generations. We specifically investigated effects of low vs. standard food quality (i.e. stressful vs. benign environments) on reproductive success of cross pairs between beetles from the contrasting female and male selection histories to assess gender effects driving fitness. |
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