Évaluation et risques sanitaires de la bioaccumulation de métaux lourds chez des espèces halieutiques du système lagunaire togolais
Bioaccumulation of cadmium, lead and arsenic in fish and bivalves commonly caught in Togo lagoon system was evaluated in order to estimate the health risks associated with their use. The results showed that all analyzed fish are contaminated. The mean levels of cadmium (0.33 mg/kg for Caranx hippos...
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Éditions en environnement VertigO
2014-09-01
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| Online Access: | https://journals.openedition.org/vertigo/15093 |
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| author | Kamilou Ouro-Sama Hodabalo Dheoulaba Solitoke Kissao Gnandi Komlan Mawuli Afiademanyo Essô Joseph Bowessidjaou |
| author_facet | Kamilou Ouro-Sama Hodabalo Dheoulaba Solitoke Kissao Gnandi Komlan Mawuli Afiademanyo Essô Joseph Bowessidjaou |
| author_sort | Kamilou Ouro-Sama |
| collection | DOAJ |
| description | Bioaccumulation of cadmium, lead and arsenic in fish and bivalves commonly caught in Togo lagoon system was evaluated in order to estimate the health risks associated with their use. The results showed that all analyzed fish are contaminated. The mean levels of cadmium (0.33 mg/kg for Caranx hippos to 0.98 mg/kg for Hemichromis fasciatus), lead (1.17 mg/kg for Liza falcipinnis to 2.89 mg/kg for Lutjanus goreensis ) and arsenic (9.41 mg/kg for C. hippos to 22.54 mg/kg for Pomadasys jubelini) are higher than the standards set by the WHO. Bioconcentration Factors (BCF) ranged from 6.94 to 20, 36 for Cd, 9.58 to 23.67 for Pb and 2.30 to 5.52 for As. As far as bivalves are concern, average grades indicate a high concentration of arsenic (56.06 mg/kg for Senilia senilis and 47.76 mg/kg for Crassostrea gasar) followed by lead (2.83 mg/kg for S. senilis and 2.95 mg/kg for C.gasar) and finally cadmium (0.97 mg/kg for S. senilis and 0.83 mg/kg for C.gasar). BCF ranged from 16.6 to 19.14 for Cd, 39.86 to 41.55 for Pb and 19.10 to 34.42 for As. In addition, |
| format | Article |
| id | doaj-art-4e7c28ac72f74168b9e0c8ee044bd8af |
| institution | Kabale University |
| issn | 1492-8442 |
| language | fra |
| publishDate | 2014-09-01 |
| publisher | Éditions en environnement VertigO |
| record_format | Article |
| series | VertigO |
| spelling | doaj-art-4e7c28ac72f74168b9e0c8ee044bd8af2025-01-09T12:35:20ZfraÉditions en environnement VertigOVertigO1492-84422014-09-0114210.4000/vertigo.15093Évaluation et risques sanitaires de la bioaccumulation de métaux lourds chez des espèces halieutiques du système lagunaire togolaisKamilou Ouro-SamaHodabalo Dheoulaba SolitokeKissao GnandiKomlan Mawuli AfiademanyoEssô Joseph BowessidjaouBioaccumulation of cadmium, lead and arsenic in fish and bivalves commonly caught in Togo lagoon system was evaluated in order to estimate the health risks associated with their use. The results showed that all analyzed fish are contaminated. The mean levels of cadmium (0.33 mg/kg for Caranx hippos to 0.98 mg/kg for Hemichromis fasciatus), lead (1.17 mg/kg for Liza falcipinnis to 2.89 mg/kg for Lutjanus goreensis ) and arsenic (9.41 mg/kg for C. hippos to 22.54 mg/kg for Pomadasys jubelini) are higher than the standards set by the WHO. Bioconcentration Factors (BCF) ranged from 6.94 to 20, 36 for Cd, 9.58 to 23.67 for Pb and 2.30 to 5.52 for As. As far as bivalves are concern, average grades indicate a high concentration of arsenic (56.06 mg/kg for Senilia senilis and 47.76 mg/kg for Crassostrea gasar) followed by lead (2.83 mg/kg for S. senilis and 2.95 mg/kg for C.gasar) and finally cadmium (0.97 mg/kg for S. senilis and 0.83 mg/kg for C.gasar). BCF ranged from 16.6 to 19.14 for Cd, 39.86 to 41.55 for Pb and 19.10 to 34.42 for As. In addition,https://journals.openedition.org/vertigo/15093risques sanitairesmétaux lourdspoissonsTogoBioaccumulationbivalves |
| spellingShingle | Kamilou Ouro-Sama Hodabalo Dheoulaba Solitoke Kissao Gnandi Komlan Mawuli Afiademanyo Essô Joseph Bowessidjaou Évaluation et risques sanitaires de la bioaccumulation de métaux lourds chez des espèces halieutiques du système lagunaire togolais VertigO risques sanitaires métaux lourds poissons Togo Bioaccumulation bivalves |
| title | Évaluation et risques sanitaires de la bioaccumulation de métaux lourds chez des espèces halieutiques du système lagunaire togolais |
| title_full | Évaluation et risques sanitaires de la bioaccumulation de métaux lourds chez des espèces halieutiques du système lagunaire togolais |
| title_fullStr | Évaluation et risques sanitaires de la bioaccumulation de métaux lourds chez des espèces halieutiques du système lagunaire togolais |
| title_full_unstemmed | Évaluation et risques sanitaires de la bioaccumulation de métaux lourds chez des espèces halieutiques du système lagunaire togolais |
| title_short | Évaluation et risques sanitaires de la bioaccumulation de métaux lourds chez des espèces halieutiques du système lagunaire togolais |
| title_sort | evaluation et risques sanitaires de la bioaccumulation de metaux lourds chez des especes halieutiques du systeme lagunaire togolais |
| topic | risques sanitaires métaux lourds poissons Togo Bioaccumulation bivalves |
| url | https://journals.openedition.org/vertigo/15093 |
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