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Assessment of microplastic contamination in the gastrointestinal tracts of indigenous fishes from north eastern hill regions of Bhogdoi, a tributary of River Brahmaputra, India

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Title Assessment of microplastic contamination in the gastrointestinal tracts of indigenous fishes from north eastern hill regions of Bhogdoi, a tributary of River Brahmaputra, India
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Creator Mustafa Ahmed
Bipul Phukan
Avinash Talukdar
Imtiaz Ahmed
Jiten Sharma
Ayub Ali
Rinku Gogoi
Kankana Borah
Martin Xavier
 
Subject Microplastics
Bhogdoi River
Assam
Feeding habits
Gastrointestinal tract
FTIR
 
Description Not Available
Microplastic (MP) pollution in freshwater environments has drawn considerable attention over the decades due to the risk posed by MPs to the aquatic fauna and human health. In this study, the occurrence of MPs was assessed from the gastrointestinal tracts (GIT) of indigenous fishes from Bhogdoi River, a tributary of River Brahmaputra, northeast hill region, Assam, India. All the fish species (n = 180) analysed showed 100% occurrence of MPs sampled from three stations of River Bhogdoi. A total of 488 microplastic particles were recorded from GIT of fishes collected. The mean abundance of MPs was highest in Station-II (7.64 ± 2.77 numbers individual−1) with lowest in S-I (3.17 ± 0.99 numbers individual−1). The MP size of 100–500 μm, MP shape of fibre (43.33%) and fragments (35.33%), blue colour MPs (26–37%) and polymer type PA (23–30%) were most prevalent in fishes analysed from River Bhogdoi. The mean abundance of MPs was higher in herbivore fishes (8.52 ± 1.22 numbers individual−1) as compared to carnivorous and omnivorous fish species with highest abundance in Labeo rohita (12.11 ± 2.13 numbers individual−1). Fibre and fragments with size range of 100–500 μm were dominant among all the feeding habits. Blue and black colour MPs were abundant among herbivore and carnivore fishes. Fourier transform infrared spectroscopy results confirmed that polyamide and polypropylene were the most abundant MP polymer in the fishes analysed. The present study provides baseline information of MPs in River Bhogdoi, Assam, for its future monitoring and assessment of contaminants.
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Date 2024-05-18T20:19:40Z
2024-05-18T20:19:40Z
2023-11-10
 
Type Research Paper
 
Identifier Mustafa Ahmed, Bipul Phukan, Avinash Talukdar, Imtiaz Ahmed, Jiten Sharma, Ayub Ali, Rinku Gogoi, Kankana Borah, Martin Xavier (2023) Assessment of microplastic contamination in the gastrointestinal tracts of indigenous fishes from northeastern hill regions of Bhogdoi, a tributary of River Brahmaputra, India. Environ. Sci. & Pollu. Res. 30: 121124-121137 https://doi.org/10.1007/s11356-023-30821-0
0944-1344
http://krishi.icar.gov.in/jspui/handle/123456789/82846
 
Language English
 
Relation Not Available;
 
Publisher Springer