Ecological risk assessment of dissolved heavy metals in the Yangtze River Estuary and Zhejiang coastal waters, China

被引：2
|
作者：
Hu, Xupeng [1 ,2 ]
Zhai, Xiaohui [3 ]
Jin, Yimin [1 ]
Wade, Terry L. [4 ]
Zhou, Xian [1 ]
Zhuang, Tonghui [1 ]
Ning, Jianghao [1 ]
Song, Xiuqing [5 ]
Cai, Wei [2 ]
Chen, Zongwei [6 ]
Li, Xinxin [2 ,5 ]
机构：
[1] Zhejiang Marine Ecol & Environm Monitoring Ctr, Zhoushan 316021, Peoples R China
[2] Southern Univ Sci & Technol, Dept Ocean Sci & Engn, Shenzhen 518055, Peoples R China
[3] Shenzhen Marine Dev Res Promot Ctr, Shenzhen 518029, Peoples R China
[4] Texas A&M Univ, Geochem & Environm Res Grp, College Stn, TX 77843 USA
[5] Shanghai Earthquake Agcy, Shanghai Sheshan Natl Geophys Observ, Shanghai 200062, Peoples R China
[6] Shenzhen Lightsun Technol Co Ltd, Shenzhen 518000, Peoples R China
来源：
MARINE POLLUTION BULLETIN | 2024年 / 205卷
基金：
美国国家科学基金会;
关键词：
Yangtze River Estuary; Dissolved heavy metals; Ecological risk assessment; Species sensitivity distribution; BOHAI SEA; QUALITY; BAY; CONTAMINATION; ENVIRONMENTS; SEDIMENTS; POLLUTION; CRITERIA; ADJACENT; AREA;
D O I：
10.1016/j.marpolbul.2024.116570
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The study applied a tiered ecological risk assessment method to evaluate the long-term status and trend of the ecological risks of dissolved heavy metals from 2011 to 2019 in the Yangtze River Estuary and Zhejiang coastal waters, China. The results for spring, summer, and autumn of 2019 indicated that Pb, Cd, and Zn posed no adverse ecological risk, Cu posed a potential ecological risk, and As posed an ecological risk. The annual results from 2011 to 2019 suggested that Pb, Cd, and Zn posed no adverse ecological risks, and As and Cu posed an ecological risk. The trend analysis in the nine years showed that the ecological risk of Cu is gradually decreasing, while that of As is still a concern. The overall trend is attributed to the environmental protection policies that reduced these contaminants' terrestrial sources and atmospheric sources.
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页数：9
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