ArticleProceedings. Biological sciences2021
Restricted dispersal in a sea of gene flow.
Article in Proceedings. Biological sciences, 2021. 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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14 citing papers in PubMed.
- Blocks of Identity by Descent Reveal the Dual Role Played by Reef Fish Larvae for Retention and Dispersal.Molecular ecology · 2026Article
- Investigating Sex-Biased Dispersal in a Vulnerable Marine Invertebrate, the European Spiny Lobster (Ecology and evolution · 2026Article
- Seascape Connectivity Shapes Genetic and Species β-Diversity in Tropical Reef Fishes.Ecology and evolution · 2026Article
- Limited Dispersal Drives Strong Genetic Structure in the Commercially Harvested GastropodEvolutionary applications · 2026Article
- Integrating molecular methods and biophysical modeling to assess functional connectivity between marine protected areas.Ecological applications : a publication of the Ecological Society of America · 2025Article
- A Fragile Stronghold: Genomics Reveal Angelshark Population Vulnerability in Corsica, a Key Mediterranean Refuge.Ecology and evolution · 2025Article
- Combining population genomics, larval dispersal modelling and graph theory to reveal connectivity patterns of the black-lipped pearl oyster in French Polynesia.Scientific reports · 2025Article
- Using isolation-by-distance to jointly estimate effective population density and dispersal distance: a practical evaluation using bumble bees.Oecologia · 2025Article
- Isolation-by-distance and isolation-by-oceanography in Maroon Anemonefish (Evolutionary applications · 2023Article
- Spatial coalescent connectivity through multi-generation dispersal modelling predicts gene flow across marine phyla.Nature communications · 2022Article
- Neutral and adaptive loci reveal fine-scale population structure inEcology and evolution · 2022Article
- Review
- Biophysical models of dispersal contribute to seascape genetic analyses.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2022Article
- Restricted dispersal in a sea of gene flow.Proceedings. Biological sciences · 2021Article
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Authors and funding
22 authors.
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Abstract
How far do marine larvae disperse in the ocean? Decades of population genetic studies have revealed generally low levels of genetic structure at large spatial scales (hundreds of kilometres). Yet this result, typically based on discrete sampling designs, does not necessarily imply extensive dispersal. Here, we adopt a continuous sampling strategy along 950 km of coast in the northwestern Mediterranean Sea to address this question in four species. In line with expectations, we observe weak genetic structure at a large spatial scale. Nevertheless, our continuous sampling strategy uncovers a pattern of isolation by distance at small spatial scales (few tens of kilometres) in two species. Individual-based simulations indicate that this signal is an expected signature of restricted dispersal. At the other extreme of the connectivity spectrum, two pairs of individuals that are closely related genetically were found more than 290 km apart, indicating long-distance dispersal. Such a combination of restricted dispersal with rare long-distance dispersal events is supported by a high-resolution biophysical model of larval dispersal in the study area, and we posit that it may be common in marine species. Our results bridge population genetic studies with direct dispersal studies and have implications for the design of marine reserve networks.
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