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401.
Pazou EY Boko M van Gestel CA Ahissou H Lalèyè P Akpona S van Hattum B Swart K van Straalen NM 《Environment international》2006,32(5):616-623
The Ouémé River is one of the most important rivers in the Republic of Bénin. It is 510 km long and its catchment drains 75% of the country. In this study, organochlorine and organophosphorous pesticide residues were measured in more than 35 sediment samples collected on nine locations along the Ouémé River from upstream to downstream. Except for one location, Tanéka-Koko, all areas were contaminated by more than 20 pesticides. Organochlorine pesticides identified in sediment samples included pp'-DDE, op'-DDD, pp'-DDD, op'-DDT, pp'-DDT, alpha-endosulfan, beta-endosulfan, endosulfan sulphate, alpha-HCH, beta-HCH, lindane, aldrin, dieldrin, endrin, telodrin, isodrin, cis- and trans-heptachlorepoxide, hexachlorbutadiene, hexachlorobenzene and octachlorostyrene. The organophosphorous pesticide chlorpyrifos, used in a new formulation to protect cotton, was also identified. In some areas, the concentrations of organochlorine pesticides in the sediment of the Ouémé River exceeded environmental quality standards and are reason for concern. 相似文献
402.
Contamination of fish by organochlorine pesticide residues in the Ouémé River catchment in the Republic of Bénin 总被引:2,自引:0,他引:2
Pazou EY Lalèyè P Boko M van Gestel CA Ahissou H Akpona S van Hattum B Swart K van Straalen NM 《Environment international》2006,32(5):594-599
In the Republic of Bénin, aquatic ecosystems are subject to poisoning risks due to the inappropriate use of pesticides, such as washing of empty bottles in rivers and using pesticides to catch fish. In some areas, cotton fields are located near riverbanks, increasing the probability of pesticide emission to the river. To assess contamination levels in the Ouémé River catchment area, different fish species were collected from different geographical areas along the river. DDT, its metabolites and isomers were the most frequently identified pesticides in fish flesh, alpha-endosulfan, beta-endosulfan, dieldrin, telodrin, lindane and octachlorostyrene were also detected. Concentrations of pesticide residues in fish ranged from 0 to 1364 ng/g lipid. A preliminary risk assessment indicated that the daily intake of chlorinated pesticides by people consuming fish from the Ouémé River still is rather low and does not present an immediate risk. 相似文献
403.
Bertin Philippe N. Crognale Simona Plewniak Frédéric Battaglia‑Brunet Fabienne Rossetti Simona Mench Michel 《Environmental science and pollution research international》2022,29(7):9490-9490
Environmental Science and Pollution Research - 相似文献
404.
Kouadio Emmanuel Kouakou Goriaux Mathieu Laguionie Philippe Ruban Véronique 《Environmental science and pollution research international》2022,29(21):30837-30849
Environmental Science and Pollution Research - In order to estimate the resuspension of the particles empirically, it is necessary to carry out a homogeneous distribution of the particles on the... 相似文献