ArticleEvolutionary applications2014
Human-caused habitat fragmentation can drive rapid divergence of male genitalia.
Article in Evolutionary applications, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- Anthropogenic Change and the Process of Speciation.Cold Spring Harbor perspectives in biology · 2023Review
- Resource competition explains rare cannibalism in the wild in livebearing fishes.Ecology and evolution · 2022Article
- Divergent natural selection alters male sperm competition success inEcology and evolution · 2022Article
- Combining habitat area and fragmentation change for ecological disturbance assessment in Jiangsu Province, China.Environmental science and pollution research international · 2020Article
- Natural and sexual selection drive multivariate phenotypic divergence along climatic gradients in an invasive fish.Scientific reports · 2018Article
- Condition-dependent female preference for male genitalia length is based on male reproductive tactics.Proceedings. Biological sciences · 2017Article
- The evolutionary consequences of habitat fragmentation: Body morphology and coloration differentiation among brook trout populations of varying size.Ecology and evolution · 2017Article
- Sexual selection reinforces a higher flight endurance in urban damselflies.Evolutionary applications · 2017Article
- Dissolved organic carbon and unimodal variation in sexual signal coloration in mosquitofish: a role for light limitation?Proceedings. Biological sciences · 2017Article
- Correction to 'Adaptation to fragmentation: evolutionary dynamics driven by human influences'.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2017Article
- Evolution of the elaborate male intromittent organ ofEcology and evolution · 2016Article
- The interplay between plasticity and evolution in response to human-induced environmental change.F1000Research · 2016Review
- Anthropogenic ecosystem fragmentation drives shared and unique patterns of sexual signal divergence among three species of Bahamian mosquitofish.Evolutionary applications · 2015Article
- Ecological opportunity and the adaptive diversification of lineages.Ecology and evolution · 2015Review
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Authors and funding
4 authors.
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Abstract
The aim of this study rests on three premises: (i) humans are altering ecosystems worldwide, (ii) environmental variation often influences the strength and nature of sexual selection, and (iii) sexual selection is largely responsible for rapid and divergent evolution of male genitalia. While each of these assertions has strong empirical support, no study has yet investigated their logical conclusion that human impacts on the environment might commonly drive rapid diversification of male genital morphology. We tested whether anthropogenic habitat fragmentation has resulted in rapid changes in the size, allometry, shape, and meristics of male genitalia in three native species of livebearing fishes (genus: Gambusia) inhabiting tidal creeks across six Bahamian islands. We found that genital shape and allometry consistently and repeatedly diverged in fragmented systems across all species and islands. Using a model selection framework, we identified three ecological consequences of fragmentation that apparently underlie observed morphological patterns: decreased predatory fish density, increased conspecific density, and reduced salinity. Our results demonstrate that human modifications to the environment can drive rapid and predictable divergence in male genitalia. Given the ubiquity of anthropogenic impacts on the environment, future research should evaluate the generality of our findings and potential consequences for reproductive isolation.
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