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Environmental and ecological risk of microplastics in the surface waters and gastrointestinal tract of skipjack tuna (Katsuwonus pelamis) around the Lakshadweep Islands, India

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Title Environmental and ecological risk of microplastics in the surface waters and gastrointestinal tract of skipjack tuna (Katsuwonus pelamis) around the Lakshadweep Islands, India
Not Available
 
Creator Saraswathi, R.
Abdul Jaleel, K. U.
Ramachandran, N.
Abdul Razaque, M. A.
Muhamed Ashraf, P.
Ravikumar, C. N.
Anas, A.
Dinesh Kumar, P. K.
 
Subject Plastic pollution
Oceanic islands
Coral reefs
Oceanic fauna
Apex predator
Hazards
 
Description Not Available
The presence of microplastics (MPs) in marine ecosystems is widespread and extensive. They have even reached the deepest
parts of the ocean and polar regions. The number of articles on plastic pollution has increased in recent years, but few have
investigated the MPs from oceanic islands which are biodiversity hotspots. We investigated the possible microplastic contami nation their source and characteristics in surface waters of Kavaratti Island and in the gastrointestinal tract (GT) of skipjack
tuna, Katsuwonus pelamis collected from Kavaratti Island of the Lakshadweep archipelago. A total of 424 MP particles were
isolated from the surface water samples collected from of Kavaratti Island with an average abundance of 5±1nos./L. A total
of 117 MPs were recovered from the GT of skipjack tuna from 30 individual fshes. This points to a potential threat of MP
contamination in seafood around the world since this species has a high value in local and international markets. Fiber and
blue color were the most common microplastic morphotypes and colors encountered, respectively, both from surface water
and GT of fsh. Smaller MPs (0.01–1 mm) made up a greater portion of the recovered materials, and most of them were sec ondary MPs. Polyethylene and polypropylene were the most abundant polymers found in this study. The Pollution Load Index
(1.3±0.21) of the surface water and skipjack tuna (1±0.7) indicates a minor ecological risk for the coral islands, while the
Polymer Hazard Index highlights the ecological risk of polymers, even at low MP concentrations. This pioneer study sheds
preliminary light on the abundance, properties, and environmental risks of MPs to this highly biodiverse ecosystem.
Not Available
 
Date 2024-06-07T22:52:57Z
2024-06-07T22:52:57Z
2024-02-27
 
Type Research Paper
 
Identifier Saraswathi, R., Abdul Jaleel, K. U., Ramachandran, N., Abdul Razaque, M. A., Muhamed Ashraf, P., Ravikumar, C. N., Anas, A. and Dinesh Kumar, P. K. (2024) Environmental and ecological risk of microplastics in the surface waters and gastrointestinal tract of skipjack tuna (Katsuwonus pelamis) around the Lakshadweep Islands, India. Envir. Sci. and Pollut. Research. 31(11).
0944-1344
http://krishi.icar.gov.in/jspui/handle/123456789/83363
 
Language English
 
Relation Not Available;
 
Publisher Springer