Taxonomic diversity and structure of the molluscan fauna in Oualidia lagoon (Moroccan Atlantic coast)

  • F. El AsriEmail author
  • H. Zidane
  • M. Maanan
  • M. Tamsouri
  • A. Errhif


The spatial distribution of the molluscan fauna of Oualidia lagoon (Moroccan Atlantic coast) was studied during winter 2013. Samples were collected from 43 stations over the whole of the lagoon. Twenty-eight taxa (19 species of gastropods, 7 species of bivalves, 1 species of polyplacophora, and 1 species of cephalopod) were listed, 21 of which are newly reported for Oualidia lagoon. Four taxa, Hydrobia sp. (78.29 %), followed by Abra alba (13.99 %), Nassarius pfeifferi (5.07 %), and Cerastoderma edule (1.32 %), were accounted for 98 % of the total abundance. A classification analysis used to characterize the lagoon on the basis of molluscs showed the existence of three main clusters from downstream to upstream: a Nassarius pfeifferi community, a Hydrobia sp.-Abra alba community and a Hydrobia sp.-Cerastoderma edule community.


Macrobenthic diversity Community structure Coastal lagoons Morocco 



The authors gratefully acknowledge Dr. Jose Alexander Elvir (Associate Editor) and anonymous reviewers for their scientific suggestions and constructive comments. This research was sponsored in part by ANR French agency “Agence Nationale de la Recherche” for “Investment for the future” program, in a frame of LabexMer, under grant number ANR-10-LABX-19-01. We also thank Carol Robins for proofreading this paper.


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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • F. El Asri
    • 1
    • 2
    Email author
  • H. Zidane
    • 1
  • M. Maanan
    • 3
  • M. Tamsouri
    • 1
  • A. Errhif
    • 2
  1. 1.Institut National de Recherche Halieutique (INRH-Casablanca), LERLCasablancaMorocco
  2. 2.Faculté des Sciences Ain ChockUniversité Hassan IICasablancaMorocco
  3. 3.Université de Nantes, UMR 6554 LETGNantesFrance

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