Microplastic in the coral reef environments of the Gulf of Mannar, India - Characteristics, distributions, sources and ecological risks

Microplastics (MPs; particles 1000) resulting from MPs with high hazard scores (e.g. polyamide, polystyrene, polyvinyl chloride), the PLI values (1.46 and 1.51) indicate low MPs pollution levels in GoM waters and sediments, and the PERI values (31.7 and 24.4) indicate that this represents a minor ec...

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Published in:Environmental pollution (1987) 2022-04, Vol.298, p.118848-118848, Article 118848
Main Authors: Patterson, Jamila, Jeyasanta, K. Immaculate, Laju, R.L., Booth, Andy M., Sathish, Narmatha, Edward, J.K. Patterson
Format: Article
Language:English
Subjects:
Coral Reefs
Ecosystem
Environmental Monitoring
Geologic Sediments
India
Islands
Mainland
Microplastics
Plastics
Risk assessment
Sediment
Source identification
Water
Water Pollutants, Chemical - analysis
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Summary:Microplastics (MPs; particles 1000) resulting from MPs with high hazard scores (e.g. polyamide, polystyrene, polyvinyl chloride), the PLI values (1.46 and 1.51) indicate low MPs pollution levels in GoM waters and sediments, and the PERI values (31.7 and 24.4) indicate that this represents a minor ecological risk. The results from the current study enhance our understanding of the characteristics, sources, and associated environmental risks of MPs to marine ecosystems. This data may provide a baseline for future monitoring and the formulation of environmental policy. [Display omitted] •MP abundance, size, shape and polymer type vary between water and sediment matrices.•Mainland shores and shoreward sides of islands have higher MP concentrations.•Polymer type abundances in solid wastes on shore and islands are closely related.•Distance to mainland, population density and waste handling influence MP abundance.•Pollution indices indicate MP are currently a minor ecological risk in the GoM.
ISSN:0269-7491
1873-6424
DOI:10.1016/j.envpol.2022.118848