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Brylinski, Jean-michel; Antajan, Elvire; Raud, Thomas; Vincent, Dorothee. |
The presence of the demersal Asian copepod Pseudodiaptomus marinus is reported for the first time in the southern bight of the North Sea, in both Calais harbour and the coastal waters off Gravelines, France. This is the first record of P. marinus in the Atlantic Ocean sector and the North Sea area. The species was collected in January and October 2010, and in January, February and April 2011. The very low number of collected individuals (0.2 to 4.0 ind.m-3) and the capture of only two ovigerous females and of a few numbers of copepodid CV stages suggest that the species survives and actually reproduces in both sites but does not manage to develop an abundant population. The presence of P. marinus in Calais harbour and coastal waters of the southern... |
Tipo: Text |
Palavras-chave: Non Indigenous Species (NIS); Ballast waters; Pseudodiaptomus marinus. |
Ano: 2012 |
URL: http://archimer.ifremer.fr/doc/00084/19559/17183.pdf |
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Antajan, Elvire; Bastian, Thomas; Raud, Thomas; Brylinski, Jean-michel; Hoffman, Stefan; Breton, Gerard; Cornille, Vincent; Delegrange, Alice; Vincent, Dorothee. |
The presence of Mnemiopsis leidyi A. Agassiz, 1865 along the French coasts of the Eastern English Channel and the North Sea (EEC-NS) was established via morphological observation and molecular evidence. The earliest records were from surveys carried out in autumn 2005 in Le Havre harbour (Bay of Seine, EEC) and coincided with the historical introduction of the species in other Northern European waters. Since 2009, the species has also been frequently observed along the French coast of the North Sea. Results indicate M. leidyi has established a selfsustaining population in the Bay of Seine, which may act as a source population for northern European harbours via commercial shipping. |
Tipo: Text |
Palavras-chave: Ctenophore; Invasive species; Mnemiopsis leidyi. |
Ano: 2014 |
URL: http://archimer.ifremer.fr/doc/00197/30861/29229.pdf |
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