Microplastic contamination of Holothuria (Thymiosycia) arenicola Semper, 1868, Holothuria pardalis Selenka, 1867, sediments and seawater from Karachi Coast, Northern Arabian Sea, Pakistan

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dc.contributor.authorAhmed, Quratulan
dc.contributor.authorÖztekin, Ayşah
dc.contributor.authorAli, Qadeer Mohammad
dc.contributor.authorBat, Levent
dc.date.accessioned2026-04-25T14:13:24Z
dc.date.available2026-04-25T14:13:24Z
dc.date.issued2025
dc.departmentSinop Üniversitesi
dc.description.abstractMicroplastics (MPs) are posing an increasing threat to the marine environment, affecting marine ecosystems and posing potential risks to human health through the food chain. This study aims to investigate the MP contamination of Holothuria (Thymiosycia) arenicola Semper, 1868, Holothuria pardalis Selenka, 1867, sediments and seawater from Buleji coasts of Karachi, Pakistan. The MP contamination was determined in the different body parts of sea cucumber species and both seawater and sediment samples were contaminated with microplastics. The results show that H. arenicola contains more microplastics than H. pardalis. In terms of shape and colour, fibres were the most common form of MPs (>99%), with black being the predominant colour. The highest to the lowest amount of MPs was determined as gut (52±26 pieces/individual in H. arenicola and 31±14 pieces/individual in H. paradis), coelomic fluid (18±10 pieces/individual in H. arenicola and 26±15 pieces/individual in H. paradis), respiratory tree (22±11 pieces/individual in H. arenicola and 14±9 pieces/individual in H. paradis and tentacles (13±8 pieces/individual in H. arenicola and 10±5 pieces/individual in H. paradis), respectively. Determination of MP pollution in these sea cucumbers and their surrounding environment is very important in terms of the importance of these organisms in the marine ecosystems. The biological impacts of MPs on sea cucumbers and other marine organisms can eventually affect humans through the food chain. Therefore, the paper advocates for the development of policies to monitor and reduce MP pollution in marine ecosystems. © 2025, Adem Yavuz SONMEZ. All rights reserved.
dc.identifier.doi10.33714/masteb.1641715
dc.identifier.endpage19
dc.identifier.issn2147-9666
dc.identifier.issue1
dc.identifier.scopus2-s2.0-105028178486
dc.identifier.scopusqualityN/A
dc.identifier.startpage10
dc.identifier.trdizinid1308368
dc.identifier.urihttps://doi.org/10.33714/masteb.1641715
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/1308368
dc.identifier.urihttps://hdl.handle.net/11486/8072
dc.identifier.volume14
dc.indekslendigikaynakScopus
dc.indekslendigikaynakTR-Dizin
dc.language.isoen
dc.publisherAdem Yavuz SONMEZ
dc.relation.ispartofMarine Science and Technology Bulletin
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_Scopus_20260420
dc.subjectMicroplastic contamination
dc.subjectMicroplastic fibres
dc.subjectPlastic pollution
dc.subjectSea cucumbers
dc.titleMicroplastic contamination of Holothuria (Thymiosycia) arenicola Semper, 1868, Holothuria pardalis Selenka, 1867, sediments and seawater from Karachi Coast, Northern Arabian Sea, Pakistan
dc.typeArticle

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