Publications

An assessment of microplastics in the ecosystem and selected commercially important fishes off Kochi, south eastern Arabian Sea, India
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This study investigates the abundance of microplastic in the coastal waters and sediment and in selected fishes occurring off Kochi, India and the consequent risks to the pelagic ecosystem. Spatial and temporal variation in the occurrence of microplastics was observed with higher abundance in surface waters during the monsoon season. The major microplastics were fragments of 1-5 mm in white and blue colours. Gut content analysis of 16 species (653 individuals) comprising pelagic (8 species) and demersal (8 species) indicated the occurrence (4.6%) of microplastics (fragment > filament > pellet) of size 0.27 mm to 3.2 mm in Sardinella longiceps, S. gibbosa, Stolephorus indicus, Rastrelliger kanagurta, and Cyanoglossus macrostomus. Raman spectroscopy indicated that polyethylene (PE) and polypropylene (PP) were the polymer types of microplastics from the fish gut.

 

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2
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3
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4
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