Occurrence of microplastics in gastrointestinal tracts and gills of fish from Beibu Gulf, South China Sea
文献类型： 外文期刊
作者： Koongolla, J. Bimali 1 ; Lin, Lang 1 ; Pan, Yun-Feng 1 ; Yang, Chang-Ping 2 ; Sun, Dian-Rong 2 ; Liu, Shan 1 ; Xu, Xia 1 ;
作者机构： 1.Chinese Acad Sci, Innovat Acad South China Sea Ecol & Environm Engn, CAS Key Lab Trop Marine Bioresources & Ecol, Guangdong Prov Key Lab Appl Marine Biol,South Chi, Guangzhou 510301, Peoples R China
2.Chinese Acad Fisheries Sci, South China Sea Fisheries Res Inst, Guangzhou 510300, Peoples R China
3.Guangdong Ocean Univ, Fisheries Coll, Zhanjiang 524025, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
关键词： Microplastic; Accumulation; Fish; Abundance; Gastrointestinal tract; Gills
期刊名称：ENVIRONMENTAL POLLUTION （ 影响因子：8.071； 五年影响因子：8.35 ）
ISSN： 0269-7491
年卷期： 2020 年 258 卷
页码：
收录情况： SCI
摘要： Microplastics are widespread across the global oceans, yet the potential risks of the ubiquitous environmental contaminant to marine organisms has been less known. Accumulation of microplastics and associated contaminants in marine fish, may pose adverse impacts to human health via seafood consumption. This study evaluated microplastic contamination in 24 fish species collected from Beibu Gulf, one of the world's largest fishing grounds in South China Sea. Microplastics were detected in 12 fish species at an abundance of 0.027-1.000 items individual(-1) and found in fish stomach, intestines and gills with the count percentage of 57.7%, 34.6% and 7.7%, respectively. Transparent fibers were observed as the predominant microplastics, which might be ingested accidently by fish or transferred through other animals at lower trophic levels. Majority of microplastics were identified as polyester (44%) and nylon (38%), whereas polypropylene (6%), polyethylene (6%), and acrylics (6%) were also found. Relatively, higher microplastic abundances were found in demersal fish compared to the pelagic species. Overall, the abundance of microplastics was documented as relatively low in the commercial fish collected from the open water of Beibu Gulf, South China Sea. (C) 2019 Elsevier Ltd. All rights reserved.
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