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Polyopes lancifolius (Halymeniales, Rhodophyta), a new component of the Japanese marine flora introduced to Europe
Mineur, F.; De Clerck, O.; Le Roux, A.; Maggs, C.A.; Verlaque, M. (2010). Polyopes lancifolius (Halymeniales, Rhodophyta), a new component of the Japanese marine flora introduced to Europe. Phycologia 49(1): 86-96. dx.doi.org/10.2216/09-45.1
In: Phycologia. International Phycological Society: Odense. ISSN 0031-8884; e-ISSN 2330-2968
Peer reviewed article  
Available in  Authors 
Keywords
    Polyopes lancifolius (Harvey) Kawaguchi & Wang, 2002 [WoRMS]
    Marine/Coastal
Author keywords
    Polyopes lancifolius; marine algae; species introduction; Japan; France; Brittany
Authors  Top 
  • Mineur, F.
  • De Clerck, O., more
  • Le Roux, A.
Abstract
    Polyopes lancifolius (Harvey) S. Kawaguchi & H.W. Wang has been recorded for the first time in Europe, during the summer of 2008. A small population was discovered in the Gulf of Morbihan (northeast Atlantic, France). This is the first observation of P. lancifolius outside its native range. Vegetative and reproductive morphological features are compared with previous descriptions. rbcL sequences show no divergence from Japanese populations. Imports of Pacific oysters Crassostrea gigas (Thunberg 1793) are likely to be responsible for its accidental introduction into the Gulf of Morbihan, either directly from northwest Pacific regions or indirectly (secondary dispersal) by transfers from another European oyster farming site. The history of previous algal introductions from Japan suggests that if it becomes successfully established at Morbihan, the species is likely to spread to other European coastal areas.
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