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  • 1
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    Concentrations en mercure dans les muscles de thons albacores (Thunnus albacares) du golfe de Guinee (1987-1988) (2021)
    In:  http://aquaticcommons.org/id/eprint/7524 | 424 | 2015-05-30 17:15:37 | 7524 | Centre de Recherches Océanographiques, Côte d'Ivoire
    Details
    Publication Date: 2021-07-03
    Description: Samples of albacore tunny-fish (Thunnus albacares) caught from East Tropical Atlantic areas have been analysed in white and red muscles in order to determine the concentration of mercury. The results show that there are no significant differences between the mercury concentrations in the white and in the red muscles, and that a significant correlation exists between the mercury concentrations in the two types of muscles.
    Keywords: Ecology ; Environment ; Fisheries ; Gulf of Guinea ; Thunnus albacares ; tuna fish ; mercury
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 1-8
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  • 2
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    Concentrations en métaux toxiques chez Crassostrea gasar (huître de mangrove) en zone urbaine lagunaire d'Abidjan (Côte d'Ivoire) (2021)
    In:  http://aquaticcommons.org/id/eprint/7539 | 424 | 2015-01-24 15:41:08 | 7539 | Centre de Recherches Océanographiques, Côte d'Ivoire
    Details
    Publication Date: 2021-07-04
    Description: This paper presents results related to a study of toxic heavy metals concentrations (Cd, Cu, Hg and Zn) in Crassostrea gasar (mangrove oyster). A comparative study is made between samples collected in urban region (Abidjan) and those from rural areas (Assinie-Mafia and Assouindé). Toxic metals concentrations in oyster samples collected in urban zone are higher than those in rural samples, as a result of chemical pollution due to urban and industrial wastes. Correlations between pollutants-weight of organisms and pollutants are good.
    Keywords: Ecology ; Environment ; Pollution ; Côte d'Ivoire ; lagoons ; Crassostrea gasar ; mangrove oyster ; heavy metals
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 33-45
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  • 3
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    Toxicité de l'ammoniaque chez le silure africain Heterobranchus longifilis (2021)
    In:  http://aquaticcommons.org/id/eprint/7566 | 424 | 2012-01-31 07:26:04 | 7566 | Centre de Recherches Océanologiques, Côte d'Ivoire
    Details
    Publication Date: 2021-07-04
    Description: The acute toxicity of ammonia to the African catfish (Heterobranchus longifilis, Valenciennes 1840) was studied using static bioassay systems.
    Keywords: Biology ; Chemistry ; Ecology ; Heterobranchus longifilis ; African catfish ; ammonia ; toxicity ; bioassay
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 17-24
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  • 4
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    Toxicité des sulfures dissous chez le poisson-chat africain, Heterobranchus longifilis (Valenciennes, 1840) (2021)
    In:  http://aquaticcommons.org/id/eprint/7568 | 424 | 2012-01-31 07:22:03 | 7568 | Centre de Recherches Océanologiques, Côte d'Ivoire
    Details
    Publication Date: 2021-07-04
    Description: Biological tests were carried out using static bioassay systems to determine the median lethal concentration of total sulfide (H2S, HS, S2) for African catfish (Heterobranchus longifilis, Valenciennes, 1840) at fry and juvenile stages.
    Keywords: Aquaculture ; Biology ; Chemistry ; Heterobranchus longifilis ; African catfish ; sulfides ; toxicity ; bioassay
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 39-45
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  • 5
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    Concentrations en mercure dans les muscles de thon Albacores (Thunnus albacares) du Golfe de Guinée (1987-1988) (2013)
    Details
    Publication Date: 2021-05-19
    Description: Des échantillons de thons albacores (Thunnus albacares) pêchés dans l'Atlantique tropical Est ont été analysés en vue de la détermination de mercure dans les muscles blanc et rouge. Les résultats des dosages montrent qu'il n'y a pas de différence significative entre les teneurs en mercure dans les deux types de muscles. En outre, les concentrations observées dans le muscle blanc sont comparables à celles obtenues par Aldrin et al. en 1973. Il est donc probable que les concentrations de mercure observées soient liées à des phénomènes naturels plutôt qu'à des contaminations d'origine anthropogénique. A titre comparatif, trois échantillons d'espadons (Xiphias gladius) ont été également analysés. Les résultats montrent que les teneurs dans les muscles d'espadons sont supérieures à celles des muscles du thon albacore.
    Description: Centre de Recherches Océanologiques
    Description: Published
    Description: Golfe de Guinée, Xiphias gladius, Mercure, Concentrations, Thons albacores (Thunnus albacares)
    Keywords: Muscles ; Heavy metals
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed , Article
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