Assessment and quantification of microplastic contamination in fishes with different food habits from Beel wetlands

IF 5.4 Q2 ENGINEERING, ENVIRONMENTAL

Journal of hazardous materials advances Pub Date : 2025-02-01 DOI:10.1016/j.hazadv.2025.100618

Garima Bora , Bipul Phukan , Avinash Talukdar , Imtiaz Ahmed , Samar Jyoti Chutia , Rinku Gogoi , Jiten Sarma , Ayub Ali , Tushar Gowala , K.A. Martin Xavier

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Abstract

In the present study, the occurrence of MPs in herbivore, omnivore and carnivore fishes has been evaluated from beel, a freshwater wetland. A total of 90 fishes were collected and MPs detected in all the samples. Glossogobius giuris, a carnivorous fish had the highest number of MP mean abundance of 5.50 ± 0.60 numbers per individual. Carnivorous fishes exhibited the highest number of average MP abundance compared to omnivorous and herbivorous fishes. Fibre-shaped MPs were most abundantly found. Smaller MPs in the size range of 100–500µm were dominant and transparent MPs followed by blue colored MPs were mostly found. The predominant polymer was polyethylene in the case of carnivores followed by omnivore while Nylon was mostly found in omnivores. A positive relationship was found between the trophic levels and MPs abundance which indicates that MPs may transfer along the food chain and accumulate in higher trophic levels.

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