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| Registros recuperados: 12 | |
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| Bacha, Mahmoud; Amara, Rachid; Benmansour, N; Brylinski, Jean-michel; Moali, A; Mahe, Kelig. |
| Age, growth and feeding of anchovy were studied for the first time from samples collected in the Benisaf Bay (west Algerian coast) during summer (spawning period) and autumn (recruitment period) 2007. Age structure and growth parameters were determined by otolith (sagitta) analyses. The von Bertalanffy growth function fitted to age-length data showed that growth was almost achieved during the first year of life. Significant growth difference was recorded between males and females. Growth parameters were for females (L∞=17,46 cm, k=0,31 per year and t0= -3,46 years) and for male (L∞=16,67 cm, k= 0,35 per year and t0= -3,26 years). The parameters of the otoliths (surface, length, weight and width) were significantly correlated with age and fish length (LT)... |
| Tipo: Text |
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| Ano: 2009 |
URL: http://archimer.ifremer.fr/doc/00012/12277/9068.pdf |
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| Brylinski, Jean-michel; Li, Luen-luen; Vansteenbrugge, Lies; Antajan, Elvire; Hoffman, Stefan; Van Ginderdeuren, Karl; Vincent, Dorothee. |
| Hydromedusae, morphologically resembling the Indo-Pacific leptomedusa Lovenella assimilis (Browne, 1905) (Cnidaria: Hydrozoa: Lovenellidae), are reported for the first time in both the eastern English Channel and the southern bight of the North Sea. Analyses of past zooplankton samples from a long-term monitoring program suggest that this non-indigenous species has been present in the eastern English Channel at least since 2007. Genetic analyses identified specimens as Eucheilota menoni based on nearly identical 18S ribosomal RNA gene, mitochondrial cytochrome oxydase subunit gene I (COI) sequences, and 16S Ribosomal RNA gene. Consequently, published morphological descriptions of L. assimilis and E. menoni were compared, and their species status is... |
| Tipo: Text |
Palavras-chave: Non-indigenous species (NIS); Jellyfish; Hydrozoa; Lovenella assimilis; Eucheilota menoni. |
| Ano: 2016 |
URL: http://archimer.ifremer.fr/doc/00285/39646/38145.pdf |
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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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| Bacha, Mahmoud; Moali, Aissa; Benmansour, Nasr-eddine; Brylinski, Jean-michel; Mahe, Kelig; Amara, Rachid. |
| Age, growth and diet of anchovy were studied for the first time from samples collected in the Bay of Benisaf (west Algerian coast) during summer (spawning period) and autumn (recruitment period) 2007. Age structure and growth parameters were determined by otolith (sagitta) analyses. The von Bertalanffy growth function fitted to age-length data showed that most of anchovy growth is achieved during the first year of life, suggesting that this stock is primarily supported by the smallest age groups and has a strong dependence on recruitment. There were no significant differences between males and females, and pooled mean parameters were: L infinity = 15.61 cm, k = 0.75 per year and to, -1.32 years. Whatever the age-class anchovy is strictly zooplanktivorous.... |
| Tipo: Text |
Palavras-chave: Engraulidae; Engraulis encrasicolus; MED; West Algeria; Anchovy; Growth; Age; Diet; Ontogenetic. |
| Ano: 2010 |
URL: http://archimer.ifremer.fr/doc/00011/12212/9046.pdf |
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| Grattepanche, Jean-david; Breton, Elsa; Brylinski, Jean-michel; Lecuyer, Eric; Christaki, Urania. |
| The community structures and succession of phytoplankton, protozooplankton and copepods were studied from February 2007 to July 2009 in a coastal area of the eastern English Channel subject to Phaeocystis globosa blooms. While diatom blooms preceded P. globosa blooms each year, the community structure and stock of heterotrophic protists appeared to be related to the dominant P. globosa life cycle stages. In 2007, the dominance of large colonies (> 100 mu m, up to 316 mu g C L(-1)), which resulted in a high biomass of healthy free cells (up to 132 mu g C L(-1)), accompanied high spirotrich ciliate stocks (up to 58 mu g C L(-1)) and high abundances of the copepods Acartia clausi and Temora longicornis (up to 11 ind. L(-1)). In 2008, the bloom which lasted... |
| Tipo: Text |
Palavras-chave: Phaeocystis globosa; Diatoms; Micrograzer community; Eastern English Channel. |
| Ano: 2011 |
URL: https://archimer.ifremer.fr/doc/00373/48468/48714.pdf |
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| Dreves, Luc; Le Gac-abernot, Chantal; Brylinski, Jean-michel; Vincent, Dorothee; Gaffet, Jean-dominique; Lampert, Luis; Martin, Jocelyne; Schlaich, Ivan. |
| Monitoring n°23 of the Flamanville nuclear power plant takes into account studies conducted between March and September 2005. Impacts on hydrology, microbiology, phytoplankton, zooplankton, fisheries, intertidal phytobenthos and zoobenthos are reported. This power plant has been in operation for twenteen years. |
| Tipo: Text |
Palavras-chave: Centrale nucléaire; Flamanville; Surveillance; Benthos; Halieutique; Pelagos; Flamanville; Monitoring; Nuclear power plant; Benthos; Fisheries; Pelagos. |
| Ano: 2006 |
URL: http://archimer.ifremer.fr/doc/00005/11657/8316.pdf |
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| Dreves, Luc; Abernot-le Gac, Chantal; Lampert, Luis; Martin, Jocelyne; Brylinski, Jean-michel; Nogues, Loic; Schlaich, Ivan; Vincent, Dorothe. |
| Monitoring n° 24 of the Flamanville nuclear power plant takes into account studies conducted between March and September 2006. Impacts on hydrology, microbiology, phytoplankton, zooplankton, fisheries, intertidal phytobenthos and zoobenthos are reported. This power plant has been in operation for twenty-one years. |
| Tipo: Text |
Palavras-chave: Centrale nucléaire; Flamanville; Surveillance; Halieutique; Pelagos; Benthos; Flamanville; Monitoring; Nuclear power plant; Benthos; Fisheries; Pelagos. |
| Ano: 2007 |
URL: http://archimer.ifremer.fr/doc/00005/11639/8297.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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| Registros recuperados: 12 | |
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