High levels of connectivity over large distances in the diadematid sea urchin Centrostephanus sylviae.

Most benthic marine invertebrates with sedentary benthic adult phases have planktonic larvae that permit connectivity between geographically isolated populations. Planktonic larval duration and oceanographic processes are vital to connecting populations of species inhabiting remote and distant islan...

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Autores principales:	David Veliz, Noemi Rojas-Hernández, Pablo Fibla, Boris Dewitte, Sebastián Cornejo-Guzmán, Carolina Parada
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/e2d94c12acca4989bc170cfcb36abbfb
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spelling	oai:doaj.org-article:e2d94c12acca4989bc170cfcb36abbfb2021-12-02T20:04:17ZHigh levels of connectivity over large distances in the diadematid sea urchin Centrostephanus sylviae.1932-620310.1371/journal.pone.0259595https://doaj.org/article/e2d94c12acca4989bc170cfcb36abbfb2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0259595https://doaj.org/toc/1932-6203Most benthic marine invertebrates with sedentary benthic adult phases have planktonic larvae that permit connectivity between geographically isolated populations. Planktonic larval duration and oceanographic processes are vital to connecting populations of species inhabiting remote and distant islands. In the present study, we analyzed the population genetic structure of the sea urchin Centrostephanus sylviae, which inhabits only the Juan Fernández Archipelago and the Desventuradas islands, separated by more than 800 km. For 92 individuals collected from Robinson Crusoe and Selkirk Islands (Juan Fernández Archipelago) and San Ambrosio Island (Desventuradas Islands), 7,067 single nucleotide polymorphisms (SNPs) were obtained. The results did not show a spatial genetic structure for C. sylviae; relative high migration rates were revealed between the islands. An analysis of the water circulation pattern in the area described a predominant northward water flow with periods of inverted flow, suggesting that larvae could move in both directions. Overall, this evidence suggests that C. sylviae comprises a single large population composed of individuals separated by more than 800 km.David VelizNoemi Rojas-HernándezPablo FiblaBoris DewitteSebastián Cornejo-GuzmánCarolina ParadaPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 11, p e0259595 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q David Veliz Noemi Rojas-Hernández Pablo Fibla Boris Dewitte Sebastián Cornejo-Guzmán Carolina Parada High levels of connectivity over large distances in the diadematid sea urchin Centrostephanus sylviae.
description	Most benthic marine invertebrates with sedentary benthic adult phases have planktonic larvae that permit connectivity between geographically isolated populations. Planktonic larval duration and oceanographic processes are vital to connecting populations of species inhabiting remote and distant islands. In the present study, we analyzed the population genetic structure of the sea urchin Centrostephanus sylviae, which inhabits only the Juan Fernández Archipelago and the Desventuradas islands, separated by more than 800 km. For 92 individuals collected from Robinson Crusoe and Selkirk Islands (Juan Fernández Archipelago) and San Ambrosio Island (Desventuradas Islands), 7,067 single nucleotide polymorphisms (SNPs) were obtained. The results did not show a spatial genetic structure for C. sylviae; relative high migration rates were revealed between the islands. An analysis of the water circulation pattern in the area described a predominant northward water flow with periods of inverted flow, suggesting that larvae could move in both directions. Overall, this evidence suggests that C. sylviae comprises a single large population composed of individuals separated by more than 800 km.
format	article
author	David Veliz Noemi Rojas-Hernández Pablo Fibla Boris Dewitte Sebastián Cornejo-Guzmán Carolina Parada
author_facet	David Veliz Noemi Rojas-Hernández Pablo Fibla Boris Dewitte Sebastián Cornejo-Guzmán Carolina Parada
author_sort	David Veliz
title	High levels of connectivity over large distances in the diadematid sea urchin Centrostephanus sylviae.
title_short	High levels of connectivity over large distances in the diadematid sea urchin Centrostephanus sylviae.
title_full	High levels of connectivity over large distances in the diadematid sea urchin Centrostephanus sylviae.
title_fullStr	High levels of connectivity over large distances in the diadematid sea urchin Centrostephanus sylviae.
title_full_unstemmed	High levels of connectivity over large distances in the diadematid sea urchin Centrostephanus sylviae.
title_sort	high levels of connectivity over large distances in the diadematid sea urchin centrostephanus sylviae.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/e2d94c12acca4989bc170cfcb36abbfb
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High levels of connectivity over large distances in the diadematid sea urchin Centrostephanus sylviae.

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