Microplastics contamination in two peripheral fish species harvested from a downstream river

BACKGROUND AND OBJECTIVE: The occurrence of plastic waste pollution in waters has become a major issue globally. One of the waters which tend to be polluted with plastic waste such as bags, food wrappers, and unused fishing nets, is the Krueng Aceh River, which is located in the center of Banda Aceh...

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Main Authors: M.R. Maulana, S. Saiful, Z.A. Muchlisin
Format: Article
Language:English
Published: GJESM Publisher 2023-04-01
Series:Global Journal of Environmental Science and Management
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Online Access:https://www.gjesm.net/article_255004_3202fbc30e71fd0a99925f9dc8d73da2.pdf
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author M.R. Maulana
S. Saiful
Z.A. Muchlisin
author_facet M.R. Maulana
S. Saiful
Z.A. Muchlisin
author_sort M.R. Maulana
collection DOAJ
description BACKGROUND AND OBJECTIVE: The occurrence of plastic waste pollution in waters has become a major issue globally. One of the waters which tend to be polluted with plastic waste such as bags, food wrappers, and unused fishing nets, is the Krueng Aceh River, which is located in the center of Banda Aceh city, Indonesia. Microplastics in the rivers potentially contaminate the fish through the food chains, and are then transferred to humans once consumed. The two species of fish that are frequently caught by fishermen in the Krueng Aceh River and consumed by the local people are mullet Mugil cephalus and bagok catfish Hexanematichthys sagor. Both have the potential of being contaminated with microplastics that enter the river. Therefore, this study aims to analyze the status of microplastic pollution in mullet M. cephalus and bagok catfish H. sagor harvested downstream of the Krueng Aceh River, Banda Aceh, Indonesia.METHODS: The fish samples were caught in three locations, namely in the river estuary, residential, and agricultural areas. A total of 50 mullets and 46 bagok catfish were employed for analysis. Microplastics were analyzed in the digestive tract using a microscope, while waste in the carcass was detected using the fourier transform infrared analysis.FINDINGS:  In mullet, the highest number of microplastic particles were found in fish samples caught in river estuary (16 particles/fish on average), followed by the sample from residential areas (10 particles/fish on average). Meanwhile, the lowest abundance of microplastic was recorded in sample near agriculture areas (5 particles/gram body weight). In bagok catfish, microplastic abundance in samples from the river estuary and residential areas was almost the same, and it ranged from 7-8 particles/fish. The lowest particle number was in bagok catfish caught in the region near agricultural areas. This study indicated fiber as the most dominant microplastic in the two fish species at all sampling locations. It also had three colors in the alimentary tract of mullet and bagok catfish, namely red, blue, and black, which was predominant. The fourier transform infrared spectrum showed several wavenumber peaks signifying alkane compounds’ presence, which are microplastic characteristics. Based on the peak values, the presence of two polymer types was suspected, namely polyethylene, and polypropylene.CONCLUSION: Fiber and film microplastics were found in the digestive tract of mullet and bagok catfish, where the number of particles was most abundant in the mullet. The fourier transform infrared test was also detected the presence of microplastic pollutants in both species. This indicates that mullet and bagok catfish in Krueng Aceh River have been contaminated by microplastics and are not safe for consumption.
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spelling doaj-art-588df0f03ccf4aa9a0e5e3ab4fd0665f2025-02-02T16:57:32ZengGJESM PublisherGlobal Journal of Environmental Science and Management2383-35722383-38662023-04-019229930810.22034/gjesm.2023.02.09255004Microplastics contamination in two peripheral fish species harvested from a downstream riverM.R. Maulana0S. Saiful1Z.A. Muchlisin2Department of Integrated Coastal Zone Resources Management, Postgraduate Program, Universitas Syiah Kuala, Banda Aceh 23111, IndonesiaDepartment of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Syiah Kuala, Banda Aceh 23111, IndonesiaDepartment of Aquaculture, Faculty of Marine and Fisheries, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia Marine and Fisheries Research Center, Syiah Kuala University, Banda Aceh 23111, IndonesiaBACKGROUND AND OBJECTIVE: The occurrence of plastic waste pollution in waters has become a major issue globally. One of the waters which tend to be polluted with plastic waste such as bags, food wrappers, and unused fishing nets, is the Krueng Aceh River, which is located in the center of Banda Aceh city, Indonesia. Microplastics in the rivers potentially contaminate the fish through the food chains, and are then transferred to humans once consumed. The two species of fish that are frequently caught by fishermen in the Krueng Aceh River and consumed by the local people are mullet Mugil cephalus and bagok catfish Hexanematichthys sagor. Both have the potential of being contaminated with microplastics that enter the river. Therefore, this study aims to analyze the status of microplastic pollution in mullet M. cephalus and bagok catfish H. sagor harvested downstream of the Krueng Aceh River, Banda Aceh, Indonesia.METHODS: The fish samples were caught in three locations, namely in the river estuary, residential, and agricultural areas. A total of 50 mullets and 46 bagok catfish were employed for analysis. Microplastics were analyzed in the digestive tract using a microscope, while waste in the carcass was detected using the fourier transform infrared analysis.FINDINGS:  In mullet, the highest number of microplastic particles were found in fish samples caught in river estuary (16 particles/fish on average), followed by the sample from residential areas (10 particles/fish on average). Meanwhile, the lowest abundance of microplastic was recorded in sample near agriculture areas (5 particles/gram body weight). In bagok catfish, microplastic abundance in samples from the river estuary and residential areas was almost the same, and it ranged from 7-8 particles/fish. The lowest particle number was in bagok catfish caught in the region near agricultural areas. This study indicated fiber as the most dominant microplastic in the two fish species at all sampling locations. It also had three colors in the alimentary tract of mullet and bagok catfish, namely red, blue, and black, which was predominant. The fourier transform infrared spectrum showed several wavenumber peaks signifying alkane compounds’ presence, which are microplastic characteristics. Based on the peak values, the presence of two polymer types was suspected, namely polyethylene, and polypropylene.CONCLUSION: Fiber and film microplastics were found in the digestive tract of mullet and bagok catfish, where the number of particles was most abundant in the mullet. The fourier transform infrared test was also detected the presence of microplastic pollutants in both species. This indicates that mullet and bagok catfish in Krueng Aceh River have been contaminated by microplastics and are not safe for consumption.https://www.gjesm.net/article_255004_3202fbc30e71fd0a99925f9dc8d73da2.pdffiberfilmfourier transform infrared (ft-ir)plastic wastewater pollution
spellingShingle M.R. Maulana
S. Saiful
Z.A. Muchlisin
Microplastics contamination in two peripheral fish species harvested from a downstream river
Global Journal of Environmental Science and Management
fiber
film
fourier transform infrared (ft-ir)
plastic waste
water pollution
title Microplastics contamination in two peripheral fish species harvested from a downstream river
title_full Microplastics contamination in two peripheral fish species harvested from a downstream river
title_fullStr Microplastics contamination in two peripheral fish species harvested from a downstream river
title_full_unstemmed Microplastics contamination in two peripheral fish species harvested from a downstream river
title_short Microplastics contamination in two peripheral fish species harvested from a downstream river
title_sort microplastics contamination in two peripheral fish species harvested from a downstream river
topic fiber
film
fourier transform infrared (ft-ir)
plastic waste
water pollution
url https://www.gjesm.net/article_255004_3202fbc30e71fd0a99925f9dc8d73da2.pdf
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AT ssaiful microplasticscontaminationintwoperipheralfishspeciesharvestedfromadownstreamriver
AT zamuchlisin microplasticscontaminationintwoperipheralfishspeciesharvestedfromadownstreamriver