Biological communities at deep-ocean hydrothermal vents migrate via larval dispersal through ocean currents
Biological communities at deep-ocean hydrothermal vents rely on pelagic larval stages that disperse across vast distances via ocean currents to maintain populations across ephemeral and patchy habitats.
Multiple genetic and ecological studies (e.g., [0], [1], [5], [6], [9]) consistently show that vent-endemic species maintain connectivity across distant sites through larval dispersal driven by ocean currents.
Verena Tunnicliffe. Biogeography and evolution of hydrothermal-vent fauna in the eastern Pacific Ocean. 1988. https://doi.org/10.1098/rspb.1988.0025
This study examines the regional dispersion of vent-limited organisms and how their biogeography connects to ocean spreading and exchange routes.
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Timothy M. Shank, Kenneth M. Halanych. Toward a mechanistic understanding of larval dispersal: insights from genomic fingerprinting of the deep‐sea hydrothermal vent tubeworm <i>Riftia pachyptila</i>. 2007. https://doi.org/10.1111/j.1439-0485.2007.00146.x
The paper discusses how larval dispersal is critical for maintaining species populations across patchy hydrothermal vent habitats using genetic connectivity.
Craig R McClain, Sarah Mincks Hardy. The dynamics of biogeographic ranges in the deep sea.. 2010. https://doi.org/10.1098/rspb.2010.1057
It notes that many taxa, including those at hydrothermal vents, appear broadly distributed due to deep-sea currents and larval transport.
Takuya Yahagi, Hiromi Kayama Watanabe, Shigeaki Kojima, Yasunori Kano. Do larvae from deep-sea hydrothermal vents disperse in surface waters?. 2017. https://doi.org/10.1002/ecy.1800
This research provides direct evidence that pelagic larval stages migrate and use ocean currents for long-distance dispersal among vent sites.
Takuya Yahagi, Andrew David Thaler, Cindy Lee Van Dover, Yasunori Kano. Population connectivity of the hydrothermal-vent limpet Shinkailepas tollmanni in the Southwest Pacific (Gastropoda: Neritimorpha: Phenacolepadidae).. 2020. https://doi.org/10.1371/journal.pone.0239784
The study demonstrates that vent-endemic limpets maintain panmictic population structures over thousands of kilometers via larval stages transported by currents.
Sara Teixeira, Karine Olu, Carole Decker, Regina L Cunha, Sandra Fuchs, Stéphane Hourdez, Ester A Serrão, Sophie Arnaud-Haond. High connectivity across the fragmented chemosynthetic ecosystems of the deep Atlantic Equatorial Belt: efficient dispersal mechanisms or questionable endemism?. 2013. https://doi.org/10.1111/mec.12419
It supports the idea that the dispersion of larvae following deep-sea currents results in large-scale effective migration among distant hydrothermal vent communities.
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