Distribution characteristics and ecological risk analysis of microplastics in sediments and effluents related to offshore oil and gas activities in the Bohai Sea, China

被引：0

作者：

Li, Yuxia ^{[1
]}

Kong, Lingna ^{[1
]}

Li, Zhongxiu ^{[1
,2
]}

Su, Qing ^{[1
]}

Qu, Ling ^{[1
]}

Wang, Xiaomeng ^{[1
]}

Han, Jianbo ^{[1
]}

Cheng, Jiayi ^{[1
]}

Wu, Liang ^{[3
]}

Zhang, Naidong ^{[2
]}

机构：

[1] Natl Marine Environm Monitoring Ctr, State Environm Protect Key Lab Marine Ecosyst Rest, Dalian 116023, Peoples R China

[2] Dalian Maritime Univ, Coll Environm Sci & Engn, Dalian 116026, Peoples R China

[3] China Offshore Environm Serv Ltd, Tianjin 300450, Peoples R China

来源：

MARINE POLLUTION BULLETIN | 2024年 / 206卷

关键词：

Microplastic; Produced water; Domestic sewage; Annual microplastic load; Ecological risk assessment; POLLUTION; ESTUARY; AREA;

D O I：

10.1016/j.marpolbul.2024.116731

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Oil and gas activities are sources of marine microplastics (MPs) but have received less attention globally. This study assessed the distribution characteristics and ecological risks of MPs in 31 sediment samples and effluent samples of 5 oil and gas platforms related to offshore oil and gas activities in the Bohai Sea. The results showed that the mean abundance of MPs in sediment, produced water, and domestic sewage was 205.7 +/- 151.5 items/kg d.w., 18 +/- 11 items/L, and 26 +/- 39 items/L, respectively. The MPs in sediments and effluents were dominated by transparent, rayon, and fibers <1 mm. Oil and gas activities may influence the abundance of MPs in the sediments. The sediments in the area were at a low level of risk, but some samples exhibited indexes beyond low levels. The mass of MPs carried by the effluents from oil and gas platforms in the Bohai Sea was less than that of other sources.

引用

页数：10

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