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Temporal distribution of microplastics and other anthropogenic particles in four marine species from the Atlantic coast (France).
LEFEBVRE, Charlotte
Environnements et Paléoenvironnements OCéaniques [EPOC]
Chimie et Biologie des Membranes et des Nanoobjets [CBMN]
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Environnements et Paléoenvironnements OCéaniques [EPOC]
Chimie et Biologie des Membranes et des Nanoobjets [CBMN]
LEFEBVRE, Charlotte
Environnements et Paléoenvironnements OCéaniques [EPOC]
Chimie et Biologie des Membranes et des Nanoobjets [CBMN]
< Leer menos
Environnements et Paléoenvironnements OCéaniques [EPOC]
Chimie et Biologie des Membranes et des Nanoobjets [CBMN]
Idioma
EN
Article de revue
Este ítem está publicado en
Environmental Pollution. 2024-06-25, vol. 357, p. 124440
Resumen en inglés
The characterization of microplastic (MP) contamination in marine species is increasing as concerns about environmental and food safety are more and more discussed. Here, we reported a quantitative and qualitative assessment ...Leer más >
The characterization of microplastic (MP) contamination in marine species is increasing as concerns about environmental and food safety are more and more discussed. Here, we reported a quantitative and qualitative assessment of the contamination by anthropogenic particles (from visual sorting; AP) and MP (plastic-made) in the whole soft body or digestive tract of marine species. Four commercial species were studied, namely the Pacific oyster (Magallana gigas), the spiny spider crab (Maja sp.), the common sole (Solea solea) and seabass (Dicentrarchus labrax or punctatus). AP and MP uptake were studied over three to four seasons depending on the species. After tissues digestion, particles were extracted under a stereomicroscope and morphometric characteristics were reported. Then, polymers were identified by ATR-FTIR spectroscopy. Seasonal variations were mainly described in the Pacific oyster as AP uptake was lower in autumn and MP uptake was higher in spring. These variations may be linked to the reproduction and growth cycles of this species. Moreover, seabass ingestion was lower in autumn compared to winter. Contamination in spider crabs and soles showed either weak or no seasonal trends, both quantitatively and qualitatively. Overall, AP contamination in all studied species ranged from 1.17 ± 1.89 AP.ind (in sole) to 4.07 ± 6.69 AP.ind (in seabass) while MP contamination ranged from 0.10 ± 0.37 MP.ind (in sole) to 1.09 ± 3.06 MP.ind (in spider crab). Fibers were mostly reported in all species (at least 77.7%), along with cellulosic polymers (at least 43.7%). AP and MP uptake were detected in all species and at almost all seasons, with the only exception of the common sole during autumn. Therefore, this study emphasizes the ubiquity of AP and MP contamination in marine species and provides new knowledges about seasonal uptake by commercial species.< Leer menos