Marine Biology

, Volume 161, Issue 3, pp 531–541 | Cite as

Genetic diversity, clonality and connectivity in the scleractinian coral Pocillopora damicornis: a multi-scale analysis in an insular, fragmented reef system

  • Mehdi Adjeroud
  • Aurélie Guérécheau
  • Jeremie Vidal-Dupiol
  • Jean-François Flot
  • Sophie Arnaud-Haond
  • François Bonhomme
Original Paper

Abstract

Clonality and genetic structure of the coral Pocillopora damicornis sensu lato were assessed using five microsatellites in 12 populations from four islands of the Society Archipelago (French Polynesia) sampled in June 2008. The 427 analysed specimens fell into 132 multilocus genotypes (MLGs), suggesting that asexual reproduction plays an important role in the maintenance of these populations. A haploweb analysis of ITS2 sequences of each MLG was consistent with all of them being conspecific. Genetic differentiation was detected both between and within islands, but when a single sample per MLG was included in the analyses, the populations turned out to be nearly panmictic. These observations provide further evidence of the marked variability in reproductive strategies and genetic structure of P. damicornis throughout its geographic range; comparison with results previously obtained for the congeneric species Pocillopora meandrina underlines the importance of life history traits in shaping the genetic structure of coral populations.

Notes

Acknowledgments

Some samples were collected with the help of Pauline Bosserelle from the CRIOBE USR 3278 CNRS-EPHE. The samples were genotyped at the IFR 119 “Montpellier Environnement Biodiversité”. We would particularly like to thank Marie-Thérèse Augé, Érick Desmarais, Frédérique Cerqueira and Nicolas Bierne for their help in data acquisition and analysis. This paper is a contribution to the ANR “ADACNI” (ANR-12-ADAP-0016).

Supplementary material

227_2013_2355_MOESM1_ESM.doc (42 kb)
Supplementary material 1 (DOC 42 kb)
227_2013_2355_MOESM2_ESM.doc (66 kb)
Supplementary material 2 (DOC 66 kb)

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Mehdi Adjeroud
    • 1
    • 2
  • Aurélie Guérécheau
    • 1
  • Jeremie Vidal-Dupiol
    • 3
    • 4
  • Jean-François Flot
    • 5
  • Sophie Arnaud-Haond
    • 6
  • François Bonhomme
    • 7
  1. 1.Institut de Recherche pour le DéveloppementNouméa CedexNew Caledonia
  2. 2.Laboratoire d’Excellence “CORAIL”66860 Perpignan CedexFrance
  3. 3.CNRS, Ecologie et Evolution des Interactions, UMR 5244Université de Perpignan Via DomitiaPerpignanFrance
  4. 4.Université de Perpignan Via Domitia, Ecologie et Evolution des Interactions, UMR 5244PerpignanFrance
  5. 5.Max Planck Institute for Dynamics and Self-OrganizationGöttingenGermany
  6. 6.Ifremer, UMR 212 Ecosystèmes Marins ExploitésInstitut Français de Recherche pour l’Exploitation de la MerSète CedexFrance
  7. 7.CNRS, Institut des Sciences de l’Evolution, UMR 5554Université de Montpellier 2Montpellier Cedex 5France

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