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Linking trophic ecology with element concentrations in a coastal fish community of the Bijagós Archipelago, West Africa

Correia, Edna ; Granadeiro, José Pedro ; Vale, Carlos ; Catry, Teresa

Marine pollution bulletin, 2022-05, Vol.178, p.113555-113555, Article 113555 [Periódico revisado por pares]

England: Elsevier Ltd

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Linking trophic ecology with element concentrations in a coastal fish community of the Bijagós Archipelago, West Africa
Autor: Correia, Edna ; Granadeiro, José Pedro ; Vale, Carlos ; Catry, Teresa
Assuntos: Animal protein ; Animals ; Archipelagoes ; Bioaccumulation ; Biological magnification ; Biomagnification ; Calcium ; Copper ; Ecology ; Environmental Monitoring ; Fish ; Fishes - metabolism ; Food Chain ; Food chains ; Food sources ; Food web ; Guinea-Bissau ; Humans ; Iron ; Isotopes ; Liver ; Manganese ; Mercury ; Mercury (metal) ; Mercury - analysis ; Muscles ; Selenium ; Species ; Stable isotope analysis ; Stable isotopes ; Strontium ; Trace elements ; Water Pollutants, Chemical - analysis ; Zinc
É parte de: Marine pollution bulletin, 2022-05, Vol.178, p.113555-113555, Article 113555
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SourceType-Scholarly Journals-1
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Descrição: We report the concentration of 13 elements in the muscle and liver of 17 coastal fish species of the Bijagós Archipelago, Guinea-Bissau, and link element concentrations to trophic ecology as assessed by carbon (δ13C) and nitrogen (δ15N) stable isotopes. We found higher concentrations of Hg, Fe, Mn, Cu, Zn, Se and As in liver as compared to muscle tissue, and the opposite pattern for Sr and Ca in all fish species. The concentration of Hg and Se in muscle samples increased significantly with δ15N, suggesting a biomagnification of these elements in this food chain. The concentrations of Ca and Sr, Fe and Cr, Ca and Mn, and Fe and Mn were positively correlated to each other in more than 50% of the studied species. Fish constitute the most important animal protein source for people in Guinea-Bissau, and thus assessing the concentrations of potentially toxic elements is relevant for human health. [Display omitted] •We analysed element concentration in muscle and liver concentrations of coastal fish.•Hg, Fe, Mn, Cu, Zn, Se and As concentrations were higher in liver than in muscle.•Sr and Ca concentrations were higher in muscle than in liver.•Hg and Se biomagnified in the food chain.•Several species presented Hg and Pb above the safety limit for human consumption.
Editor: England: Elsevier Ltd
Idioma: Inglês

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Linking trophic ecology with element concentrations in a coastal fish community of the Bijagós Archipelago, West Africa

Correia, Edna ; Granadeiro, José Pedro ; Vale, Carlos ; Catry, Teresa

England: Elsevier Ltd

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