Copper and zinc, but not other priority toxic metals, pose risks to native aquatic species in a large urban lake in Eastern China

Fu, Zhiyong; Wu, Fengchang; Chen, Lulu; Xu, Bin; Feng, Chenglian; Bai, Yingchen; Liao, Hao; Sun, Shuifa; Giesy, John P.; Guo, Wenjing

doi:10.1016/j.envpol.2016.09.007

Cited by 108 publications

(43 citation statements)

References 21 publications

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“…To simplify matters further, the risk ratio of the median ecotoxicity and median river measurement can be shown and compared for all of the rivers combined (see Figure 2 and Supplemental Data, Figures S6-S8, for the individual rivers). Focusing on the Chinese situation, from this group of chemicals of concern, the greatest risks appear to be from the metals, most prominently from Cu and Zn; and these 2 were also highlighted for a large lake in eastern China (Fu et al 2016). This finding, that the highest risks tend to be associated with metals, is similar to the UK data .…”

Section: Resultssupporting

confidence: 66%

“…An advantage of this risk-ranking method is its transparency: all of the data used can be shown, such as for the Yangtze (Figure 1; see also Supplemental Data, Figures S4 and S5) without the further complexity of hazard-based scoring systems making assessments difficult to assess. Focusing on the Chinese situation, from this group of chemicals of concern, the greatest risks appear to be from the metals, most prominently from Cu and Zn; and these 2 were also highlighted for a large lake in eastern China (Fu et al 2016). Focusing on the Chinese situation, from this group of chemicals of concern, the greatest risks appear to be from the metals, most prominently from Cu and Zn; and these 2 were also highlighted for a large lake in eastern China (Fu et al 2016).…”

Section: Resultsmentioning

confidence: 99%

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Which commonly monitored chemical contaminant in the Bohai region and the Yangtze and Pearl Rivers of China poses the greatest threat to aquatic wildlife?

Johnson

Jürgens

et al. 2018

Enviro Toxic and Chemistry

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The present study assessed the relative risk of 29 chemical contaminants to aquatic wildlife in the Bohai region and the Yangtze and Pearl Rivers of China. River monitoring data from 2010 to 2015 for metals, pesticides, plasticizers, surfactants, polyaromatic hydrocarbons, flame retardants, and ammonia were collected. For each chemical, ecotoxicity data were compiled for Chinese-relevant aquatic species. The chemicals were ranked by relative risk either by comparing the ratios of the median river concentration divided by the median ecotoxicity concentration or by the percentage of river measurements which exceeded the lower 10th percentile ecotoxicity value. To provide context, these results were compared with the same analysis for rivers in the United Kingdom. From this collection of chemicals in Chinese rivers, the highest risks appear to be from Cu, closely followed by Zn, Fe, and Ni together with linear alkyl benzene sulfonate, nonylphenol, and NH . This risk, particularly from the metals, can be several times higher than that experienced in UK rivers when using the same analysis. Ammonia median concentrations were notably higher in the Pearl and Yangtze than in UK rivers. The results suggest that China should focus on controlling metal contamination to protect its aquatic wildlife. Environ Toxicol Chem 2018;37:1115-1121. © 2017 SETAC.

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Section: Resultssupporting

confidence: 66%

Section: Resultsmentioning

confidence: 99%

Which commonly monitored chemical contaminant in the Bohai region and the Yangtze and Pearl Rivers of China poses the greatest threat to aquatic wildlife?

Johnson

Jürgens

et al. 2018

Enviro Toxic and Chemistry

View full text Add to dashboard Cite

show abstract

“…This high level of Zn is not specific to Hunan. In fact, for the past 20 years in China, Zn has an annual production higher than all seven other heavy metals except Cu [43]. Figure 2 illustrates the concentration of the heavy metals at S1-S10.…”

Section: Resultsmentioning

confidence: 99%

Risk assessment of heavy metals in the surface sediment at the drinking water source of the Xiangjiang River in South China

et al. 2020

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Background: The Xiangjiang River is an important drinking water resource for the Hunan Province of China. It is crucial to ascertain the pollution status, influencing factors, ecological risks, and possible sources of heavy metals in the sediments of the Xiangjiang River. Sediment is both a source and a sink of heavy metals in aquatic ecosystems. In this study, surface sediment was collected from the Zhuzhou Reach of the Xiangjiang River and eight heavy metals were investigated. Results:In all sediment samples, all eight heavy metals were detected and their average concentration fell in the order of Zn > Pb > As > Cu > Cr > Ni > Cd > Co. Assessment shows extremely serious Cd pollution and a very high potential ecological risk from Cd. According to correlation analysis and principal component analysis (PCA), As, Cu, Ni, Pb, and Zn originate from industrial wastewater and mineral smelting activities, whereas Co, Cr, and Ni come from natural sources. Redundancy analysis (RDA) reveals that the organic matter content and the particle size of the sediment have a certain influence on the enrichment of heavy metals. Conclusion:Among all eight examined heavy metals in the surveyed area, the content of Zn, Pb, and As is the highest, and that of Cd and Co is the lowest. Despite a low level of absolute content, the Cd in sediment already renders a high ecological risk and thus calls for urgent attention. Anthropogenic activities are the main source of heavy metals in the sediment. The distribution of heavy metals may also be influenced by sediment properties. The results provide guidance for controlling heavy metal pollution and protecting drinking water sources in the Xiangjiang River.

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“…Occurrence and abundance of heavy metals in surface sediment China, Zn has an annual production higher than all seven other heavy metals except Cu [43]. Spatial distribution of heavy metals also affect the concentration of heavy metals.…”

Section: Resultsmentioning

confidence: 98%

Risk Assessment of Heavy Metal in the Surface Sediment at the Drinking Water Source of the Xiangjiang River in South China

Huang

Liu

Zhao

et al. 2019

Preprint

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Background: The Xiangjiang River is an important drinking water resource for the Hunan province of China. It is crucial to ascertain the pollution status, influencing factors, ecological risks, and possible sources of heavy metals in the sediments of the Xiangjiang River. Sediment is both a source and a sink of heavy metals in aquatic ecosystems. In this study, surface sediment was collected from the Zhuzhou Reach of the Xiangjiang River and eight heavy metals were investigated.Results: In all sediment samples, all eight heavy metals were detected and their average concentration fell in the order of Zn > Pb > As > Cu > Cr > Ni > Cd > Co. Assessment shows extremely serious Cd pollution and a very high potential ecological risk from Cd. According to correlation analysis and principle component analysis (PCA), As, Cu, Ni, Pb, and Zn originate from industrial wastewater and mineral smelting activities, whereas Co, Cr, and Ni come from natural sources. Redundancy analysis (RDA) reveals that the organic matter content and the particle size of the sediment have some influence on the enrichment of heavy metals.Conclusion: Among all eight examined heavy metals in the surveyed area, the content of Zn, Pb, and As is the highest, and that of Cd and Co is the lowest. Despite a low level of absolute content, the Cd in sediment already renders a high ecological risk and thus calls for urgent attention. Anthropogenic activities are the main source of heavy metals in the sediment. The distribution of heavy metals is also influenced by sediment properties. The results provide guidance for controlling heavy metal pollution and protecting drinking water sources in the Xiangjiang River.

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Copper and zinc, but not other priority toxic metals, pose risks to native aquatic species in a large urban lake in Eastern China

Cited by 108 publications

References 21 publications

Which commonly monitored chemical contaminant in the Bohai region and the Yangtze and Pearl Rivers of China poses the greatest threat to aquatic wildlife?

Which commonly monitored chemical contaminant in the Bohai region and the Yangtze and Pearl Rivers of China poses the greatest threat to aquatic wildlife?

Risk assessment of heavy metals in the surface sediment at the drinking water source of the Xiangjiang River in South China

Risk Assessment of Heavy Metal in the Surface Sediment at the Drinking Water Source of the Xiangjiang River in South China

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