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https://doi.org/10.1051/alr:2005015

has been cited by the following article:

• TITLE: Distribution and Contamination of Arsenic in Fish, Gastropods and Bivalves in the Aby and Tendo Lagoons in East of Ivory Coast

  AUTHORS: Kouakou Serge Kouassi, Stéphane Jean Claon, Kossonou Roland N’Guettia, Séri Kipré Laurent, Dakouo Guei Jokebed, Djaman Allico Joseph

  KEYWORDS: Arsenic, Pollution, Fish, Gastropods, Lagoons, Health Effect

  JOURNAL NAME: Journal of Environmental Protection, Vol.15 No.3, March 25, 2024

  ABSTRACT: Lagoons are ecosystems for biodiversity and the livelihoods of coastal communities. The main objective of the study was to analyze the variability of arsenic concentrations in gastropods and bivalves in the Aby and Tendo lagoons, taking into account spatial, seasonal and hydrological variations. The study was carried out in four stages spread over two successive hydroclimatic cycles, including two seasons during the rainy season and two more during the dry season. The samples were taken in two areas of the Aby and Tendo lagoons. Arsenic levels were measured by ICP-MS. The results showed that mean arsenic concentrations in the muscles of organisms in Aby Lagoon ranged from 0.01 to 1.26 μg As/g, with a mean and median of 0.17 and 0.06 μg As/g, respectively. Fish had the highest levels of arsenic, followed by crustaceans, while molluscs and plants had lower and comparable concentrations of As. Arsenic concentrations in tilapia and jawbones varied significantly between sites and seasons, with higher concentrations at Tendo and during the rainy season. Arsenic concentrations in gastropods and bivalves were significantly higher than those of other species, with averages of 0.74 and 1.03 mg As/kg, respectively.