NIMTE OpenIR  > 2018专题
Assessment of microplastics derived from mariculture in Xiangshan Bay, China
Chen, Minglong; Jin, Meng; Tao, Peiran; Wang, Zheng; Xie, Weiping; Yu, Xubiao; Wang, Kan
2018
发表期刊ENVIRONMENTAL POLLUTION
卷号242页码:1146-1156
摘要Mariculture activities including enclosure, raft and cage cultures employ a variety of plastic gear such as fishing nets, buoyant material and net cages. The plastic gear poses a potential source of microplastics to the coastal environment, but relevant data on the impacts of mariculture are still limited. To this end, a semi-enclosed narrow bay (i.e., Xiangshan Bay, China) with a long-term mariculture history was investigated to assess how mariculture activities affect microplastics in seawater and sediment. The results indicated that mariculture-derived microplastics accounted for approximately 55.7% and 36.8% of the microplastics in seawater and sediment, respectively. The average microplastic abundances of seawater and sediment were 8.9 +/- 4.7 (mean +/- SD, n = 18) items/m(3) seawater and 1739 +/- 2153 (n = 18) items/kg sediment, respectively. The types of mariculture-derived microplastics included polyethylene (PE) foam, PE nets, PE film, polypropylene (PP) rope, polystyrene (PS) foam and rubber. PE foam had the highest proportion (38.6%) in the seawater samples. High usage rates and the porous structure of PE foam led to the high abundance. The average microplastic sizes of seawater and sediment are 1.54 +/- 1.53 mm and 1.33 +/- 1.69 mm, respectively. The spatial variations in the abundance and size of microplastics implied that the mariculture-derived microplastics in Xiangshan Bay were transported along the Bay to the open sea. The results of this study indicate that mariculture activity can be a significant source of microplastics. Further research is required to investigate how the high microplastic abundance in mariculture zone affects marine organisms, especially cultured seafood. (C) 2018 Elsevier Ltd. All rights reserved.
关键词Polycyclic Aromatic-hydrocarbons Antibiotic-resistance Genes Pearl River Estuary Hong-kong Marine-environment Organochlorine Pesticides Numerical-model Coastal Waters Yellow Sea Bohai Sea
学科领域Engineering ; Physics
语种英语
文献类型期刊论文
条目标识符http://ir.nimte.ac.cn/handle/174433/17071
专题2018专题
推荐引用方式
GB/T 7714
Chen, Minglong,Jin, Meng,Tao, Peiran,et al. Assessment of microplastics derived from mariculture in Xiangshan Bay, China[J]. ENVIRONMENTAL POLLUTION,2018,242:1146-1156.
APA Chen, Minglong.,Jin, Meng.,Tao, Peiran.,Wang, Zheng.,Xie, Weiping.,...&Wang, Kan.(2018).Assessment of microplastics derived from mariculture in Xiangshan Bay, China.ENVIRONMENTAL POLLUTION,242,1146-1156.
MLA Chen, Minglong,et al."Assessment of microplastics derived from mariculture in Xiangshan Bay, China".ENVIRONMENTAL POLLUTION 242(2018):1146-1156.
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