Occurrence of microplastics in epipelagic and mesopelagic fishes from Tuticorin, Southeast coast of India

The Science of the Total Environment
M Narmatha SathishJamila Patterson

Abstract

This study investigated the microplastic (MP) contamination of seawater and fishes from different habitats so as to understand the level of human exposure to microplastics. Samples of Harpodon nehereus, Chirocentrus dorab, Sardinella albella, Rastrelliger kanagurta, Katsuwonus pelamis and Istiophorus platypterus were collected from Tuticorin, southeast coast of India. The MPs in seawater and the gastrointestinal tracts of fish were identified using Stereomicroscope and characterized by FTIR and SEM-EDAX analysis. The abundance of MPs varied from 3.1 ± 2.3 to 23.7 ± 4.2 items L-1 in water, from 0.11 ± 0.06 to 3.64 ± 1.7 items/individual, and from 0.0002 ± 0.0001 to 0.2 ± 0.03 items/g gut weight. The epipelagic fishes had higher levels of MP contamination than the mesopelagic ones. Most of the MPs identified were of blue color, of fiber type and with their size <500 μm. Polyethylene was the most commonly detected MP, followed by polyester and polyamide, and this fact could be attributed to the inflow of domestic sewage and to the intensive fisheries activities in the area. SEM-EDAX spectra revealed the weathered MP surfaces which could adsorb/leach inorganic elements (colorants and fillers) from/to the environment. We may conclud...Continue Reading

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Citations

Nov 24, 2020·Journal of Environmental Management·Deeptija PandeyManish Kumar
Nov 14, 2020·The Science of the Total Environment·Yuanqiang TangZisong Yang
Oct 23, 2020·Journal of Hazardous Materials·Ved Prakash RanjanSudha Goel
Mar 22, 2021·The Science of the Total Environment·Ishrat Vasi Shaikh, Vasi Ahmed Ebrahim Shaikh
Apr 4, 2021·International Journal of Environmental Research and Public Health·Stefania D'Angelo, Rosaria Meccariello
Jul 10, 2021·Marine Pollution Bulletin·Jamila PattersonJ K Patterson Edward
Oct 15, 2021·Environmental Science and Pollution Research International·Mansi VaidAnshu Gupta

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