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First evidence of microplastics ingestion by freshwater fishes from Nong Luang Wetland, Chiang Rai, Thailand

Microplastic (MP) ingestion has been reported in several marine species but knowledge regarding MPs in freshwater species is limited, with only a few studies on the occurrence of MPs in freshwater fish, particularly in Thai freshwater ecosystems. The aim of this study was to assess the occurrence of...

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Main Authors: Kittichai Chantima,, Krittawit Suk-Ueng,, Paridchaya Intep,, Saritporn Vittayapadung,
Format: Article
Language:English
Published: Penerbit Universiti Kebangsaan Malaysia 2023
Online Access:http://journalarticle.ukm.my/23077/1/SMS%201.pdf
http://journalarticle.ukm.my/23077/
https://www.ukm.my/jsm/english_journals/vol52num9_2023/contentsVol52num9_2023.html
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spelling my-ukm.journal.230772024-02-16T03:00:26Z http://journalarticle.ukm.my/23077/ First evidence of microplastics ingestion by freshwater fishes from Nong Luang Wetland, Chiang Rai, Thailand Kittichai Chantima, Krittawit Suk-Ueng, Paridchaya Intep, Saritporn Vittayapadung, Microplastic (MP) ingestion has been reported in several marine species but knowledge regarding MPs in freshwater species is limited, with only a few studies on the occurrence of MPs in freshwater fish, particularly in Thai freshwater ecosystems. The aim of this study was to assess the occurrence of MPs for the first time in the gastrointestinal tracts (GITs) of freshwater fishes from the Nong Luang Wetland, Chiang Rai, Thailand. A total of 100 fish specimens representing 15 species from 8 families were examined. Basic fish measurements as total length and total weight were used to calculate Fulton’s condition index (F). The GITs were subsequently removed and MPs were extracted by visual inspection and digestion solution. Qualitative attributes such as color and MP types (fibers, rod-shaped and fragments) were also recorded. Results showed relatively low MP prevalence at 21.0%, with 25 MP particles removed from the GITs of specimens representing 7 species. The number of ingested MP particles ranged between 1 and 4 per fish, with an average of 1.19±0.68. MP particles were categorized as fibers (92.0%), rod-shaped (4.0%) and fragments (4.0%) with blue fibers the most prevalent. No significant correlations were observed between the number of MP particles and the body length, weight, and F value of fish. These findings provide the first evidence of MP contamination in fishes from a Thai wetland as a baseline for future studies and risk assessments on the biota of many aquatic systems spread across the country. Penerbit Universiti Kebangsaan Malaysia 2023 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/23077/1/SMS%201.pdf Kittichai Chantima, and Krittawit Suk-Ueng, and Paridchaya Intep, and Saritporn Vittayapadung, (2023) First evidence of microplastics ingestion by freshwater fishes from Nong Luang Wetland, Chiang Rai, Thailand. Sains Malaysiana, 52 (9). pp. 2471-2483. ISSN 0126-6039 https://www.ukm.my/jsm/english_journals/vol52num9_2023/contentsVol52num9_2023.html
institution Universiti Kebangsaan Malaysia
building Tun Sri Lanang Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Kebangsaan Malaysia
content_source UKM Journal Article Repository
url_provider http://journalarticle.ukm.my/
language English
description Microplastic (MP) ingestion has been reported in several marine species but knowledge regarding MPs in freshwater species is limited, with only a few studies on the occurrence of MPs in freshwater fish, particularly in Thai freshwater ecosystems. The aim of this study was to assess the occurrence of MPs for the first time in the gastrointestinal tracts (GITs) of freshwater fishes from the Nong Luang Wetland, Chiang Rai, Thailand. A total of 100 fish specimens representing 15 species from 8 families were examined. Basic fish measurements as total length and total weight were used to calculate Fulton’s condition index (F). The GITs were subsequently removed and MPs were extracted by visual inspection and digestion solution. Qualitative attributes such as color and MP types (fibers, rod-shaped and fragments) were also recorded. Results showed relatively low MP prevalence at 21.0%, with 25 MP particles removed from the GITs of specimens representing 7 species. The number of ingested MP particles ranged between 1 and 4 per fish, with an average of 1.19±0.68. MP particles were categorized as fibers (92.0%), rod-shaped (4.0%) and fragments (4.0%) with blue fibers the most prevalent. No significant correlations were observed between the number of MP particles and the body length, weight, and F value of fish. These findings provide the first evidence of MP contamination in fishes from a Thai wetland as a baseline for future studies and risk assessments on the biota of many aquatic systems spread across the country.
format Article
author Kittichai Chantima,
Krittawit Suk-Ueng,
Paridchaya Intep,
Saritporn Vittayapadung,
spellingShingle Kittichai Chantima,
Krittawit Suk-Ueng,
Paridchaya Intep,
Saritporn Vittayapadung,
First evidence of microplastics ingestion by freshwater fishes from Nong Luang Wetland, Chiang Rai, Thailand
author_facet Kittichai Chantima,
Krittawit Suk-Ueng,
Paridchaya Intep,
Saritporn Vittayapadung,
author_sort Kittichai Chantima,
title First evidence of microplastics ingestion by freshwater fishes from Nong Luang Wetland, Chiang Rai, Thailand
title_short First evidence of microplastics ingestion by freshwater fishes from Nong Luang Wetland, Chiang Rai, Thailand
title_full First evidence of microplastics ingestion by freshwater fishes from Nong Luang Wetland, Chiang Rai, Thailand
title_fullStr First evidence of microplastics ingestion by freshwater fishes from Nong Luang Wetland, Chiang Rai, Thailand
title_full_unstemmed First evidence of microplastics ingestion by freshwater fishes from Nong Luang Wetland, Chiang Rai, Thailand
title_sort first evidence of microplastics ingestion by freshwater fishes from nong luang wetland, chiang rai, thailand
publisher Penerbit Universiti Kebangsaan Malaysia
publishDate 2023
url http://journalarticle.ukm.my/23077/1/SMS%201.pdf
http://journalarticle.ukm.my/23077/
https://www.ukm.my/jsm/english_journals/vol52num9_2023/contentsVol52num9_2023.html
_version_ 1792152150355214336
score 13.211869

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