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Phylogeography of the sea urchin Paracentrotus lividus (Lamarck) (Echinodermata: Echinoidea): First insights from the South Tyrrhenian Sea Iuri, V.; Patti, F.P.; Procaccini, G. (2007). Phylogeography of the sea urchin Paracentrotus lividus (Lamarck) (Echinodermata: Echinoidea): First insights from the South Tyrrhenian Sea, in: Relini, G. et al. Biodiversity in enclosed seas and artificial marine habitats: Proceedings of the 39th European Marine Biology Symposium, held in Genoa, Italy, 21-24 July 2004. Developments in Hydrobiology, 193: pp. 77-84. https://dx.doi.org/10.1007/978-1-4020-6156-1_6 In: Relini, G.; Ryland, J. (Ed.) (2007). Biodiversity in enclosed seas and artificial marine habitats: Proceedings of the 39th European Marine Biology Symposium, held in Genoa, Italy, 21-24 July 2004. European Marine Biology Symposia, 39. Developments in Hydrobiology, 193. ISBN 978-1-4020-6155-4; e-ISBN 978-1-4020-6156-1. VII, 271 pp. https://dx.doi.org/10.1007/978-1-4020-6156-1 In: European Marine Biology Symposia. Is gerelateerd aan: Iuri, V.; Patti, F.P.; Procaccini, G. (2007). Phylogeography of the sea urchin Paracentrotus lividus (Lamarck) (Echinodermata: Echinoidea): First insights from the South Tyrrhenian Sea. Hydrobiologia 580(1): 77-84. https://dx.doi.org/10.1007/s10750-006-0464-x, meer

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Beschikbaar in	Auteurs
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Documenttype: Congresbijdrage

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Trefwoorden

Biogeny > Phylogeny Developmental stages > Larvae Dispersal phenomena Dispersion Geography > Biogeography MED, Tyrrhenian Sea Motion > Water motion > Water currents > Coastal currents Paracentrotus lividus (Lamarck, 1816) [WoRMS] Tyrrhenian Sea [Marine Regions] Marien/Kust

Author keywords

Paracentrotus lividus; mtDNA; ITS2; larval dispersal; marine currents;phylogeography

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Auteurs		Top
Iuri, V. Patti, F.P. Procaccini, G.

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Abstract

The sea urchin Paracentrotus lividus (Lamarck) (Echinodermata: Echinoidea) is an Atlanto-Mediterranean species abundant in the littoral zone, where it occurs in the sublittoral down to 20 m. The aim of our work is to investigate the genetic patterns of P. lividus along the South Tyrrhenian coasts. Five specimens were collected in six localities, from the Gulf of Naples and the Cilento coast. The nuclear rDNA ITS2 spacer and the two mitochondrial genes 16S and COI were used for the analysis. The three markers utilised did not show any structure among populations from the Gulf of Naples. All populations appear to be polyphyletic, with Cilento samples more differentiated from the others. This suggests the existence of phylogeographic structure at larger geographic scale. Absence of genetic structure has been interpreted taking into consideration theoretical dispersal of the planktotrophic larvae, which can survive for 4-8 weeks before settlement, marine current patterns and persistence of the species in the area.

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