| In the seas of southern Europe, Mnemiopsis leidyi is responsible for invasive events with worrying ecological consequences. Since 2005, this native of the east coast of the Americas is regularly observed in the English Channel in the Bay of Seine. In order to find out whether changes have taken place in the distribution of M. leidyi in the English Channel since the first reports made before 2014 and to identify the environmental conditions favourable to his presence, hydrological data and Channel Ground Fish Survey from 2014 to 2015 were analyzed. This confirmed that M. leidyi is well established in the Bay of Seine (naturalized species) but does not extend outside this area and therefore cannot be considered an invasive species for that region. The... |
