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Microplastics’ Occurrence in Edible Fish Species (Mullus barbatus and M. surmuletus) from an Italian Marine Protected Area
Summary
Researchers assessed microplastic contamination in the gastrointestinal tracts and livers of red mullet species (Mullus barbatus and M. surmuletus) from a Marine Protected Area in the Ionian Sea, finding microplastics in over 60% of specimens at an average of three items per fish. ATR-FTIR and pyrolysis-GC/MS identified the dominant polymer types, with red mullets showing nearly twice the contamination levels of striped red mullets.
This study reports on the presence of microplastics in the gastrointestinal tracts and livers of demersal fish (the mullet, Mullus spp.) from a Marine Protected Area (Porto Cesareo) along the Ionian Sea coast (Apulia, Southern Italy). The results showed microplastic ingestion in more than 60% of specimens analyzed with an average of three items per fish and average levels in red mullets being almost twice as high as the average in the congeneric striped red mullets. The dominant polymers identified by Attenuated Total ReflectanceFourier Transform Infrared spectroscopy (ATR-FTIR) and Prolysis Gas Chromatography/Mass Spectrometry (Py-GCMS) analysis were polyethylene and polystyrene. Results can be used to set baseline levels for the assessment of microplastic pollution useful for the implementation of the Marine Strategy Framework Directive (MSFD) descriptor 10 in the Italian coast of Ionian Sea.
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