ArticleEcology and evolution2018
The Antarctic Circumpolar Current isolates and connects: Structured circumpolarity in the sea star
Article in Ecology and evolution, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Contrasting Dispersal Patterns of Co-Occurring Benthic Sister Sea StarEcology and evolution · 2026Article
- The Microbial Ecology of Antarctic Sponges.Microbial ecology · 2025Review
- Genomics of Secondarily Temperate Adaptation in the Only Non-Antarctic Icefish.Molecular biology and evolution · 2023Article
- Chemistry and Bioactivity of the Deep-Water Antarctic OctocoralMarine drugs · 2022Article
- MultipleEcology and evolution · 2022Article
- Origin, diversity, and biogeography of Antarctic scale worms (Polychaeta: Polynoidae): a wide-scale barcoding approach.Ecology and evolution · 2022Article
- Evolutionary innovations in Antarctic brittle stars linked to glacial refugia.Ecology and evolution · 2021Article
- An approach using ddRADseq and machine learning for understanding speciation in Antarctic Antarctophilinidae gastropods.Scientific reports · 2021Article
- Phylogeography and genetic diversity of the microbivalve Kidderia subquadrata, reveals new data from West Antarctic Peninsula.Scientific reports · 2021Article
- The Antarctic Circumpolar Current isolates and connects: Structured circumpolarity in the sea starEcology and evolution · 2018Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
aimThe Antarctic Circumpolar Current (ACC) connects benthic populations by transporting larvae around the continent, but also isolates faunas north and south of the Antarctic Convergence. We test circumpolar panmixia and dispersal across the Antarctic Convergence barrier in the benthic sea star LOCATION: The Southern Ocean and south Atlantic Ocean, with comprehensive sampling including the Magellanic region, Scotia Arc, Antarctic Peninsula, Ross Sea, and East Antarctica.
methodsThe cytochrome c oxidase subunit I (COI) gene (
resultsMAIN
conclusionsDespite gene flow over extraordinary distances, there is strong phylogeographic structuring and genetic barriers evident between geographically proximate regions (e.g., Shag Rocks and South Georgia). Circumpolar panmixia is rejected, although some subpopulations show a circumpolar distribution. Stepping-stone dispersal occurs within the Scotia Arc but does not appear to facilitate connectivity across the Antarctic Convergence. The patterns of genetic connectivity in Antarctica are complex and should be considered in protected area planning for Antarctica.
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