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Identifying the drivers of abundance and size of the invasive ctenophore Mnemiopsis leidyi in Northwestern Mediterranean lagoons.
Delpy, Floriane, Albouy-Boyer, Séverine, Pagano, Marc, Thibault, Delphine, Blanchot, Jean, Guilhaumon, François, Molinero, Juan Carlos and Bonnet, Delphine (2016) Identifying the drivers of abundance and size of the invasive ctenophore Mnemiopsis leidyi in Northwestern Mediterranean lagoons. Marine Environmental Research, 119 . pp. 114-125. DOI 10.1016/j.marenvres.2016.05.026.
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Abstract
Acknowledged as among the worst invasive marine species, Mnemiopsis leidyi has spread through European Seas since the mid-1980's. Here we report a bimonthly survey conducted in 2010-11 in three lagoons (Bages-Sigean, Thau and Berre) and at two adjacent coastal stations (Sète and SOMLIT-Marseille) along the French Mediterranean coast. M. leidyi was present only in Berre and Bages-Sigean with maximum abundances observed in late summer. M. leidyi adults were present year round in Berre with the largest organisms (~6 cm) observed in April. In Bages-Sigean, they occurred in sufficient abundance to be recorded by fishermen between August and November. Multiple linear regressions highlighted that abundance in both lagoons was mainly influenced by direct effects of salinity and chlorophyll-a, and temperature to a lesser extent. While M. leidyi has not yet been recorded in Thau, the lagoon is continually monitored to detect the potential establishment of M. leidyi.
Document Type: | Article |
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Funder compliance: | info:eu-repo/grantAgreement/EC/FP7/603773 |
Keywords: | Blooms; Driving factors; Gelatinous plankton; Invasive species; Mediterranean lagoons; Mnemiopsis leidyi |
Research affiliation: | OceanRep > GEOMAR > FB3 Marine Ecology > FB3-EOE-N Experimental Ecology - Food Webs |
Refereed: | Yes |
Open Access Journal?: | No |
Publisher: | Elsevier |
Projects: | GELAMED, OCEAN-CERTAIN |
Date Deposited: | 16 Jun 2016 08:00 |
Last Modified: | 01 Feb 2019 15:00 |
URI: | https://oceanrep.geomar.de/id/eprint/33120 |
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