Assessment of benthic ecological status and heavy metal contamination in an estuarine intertidal mudflat in the Northern Bohai Sea

文献类型： 外文期刊

第一作者： Li, Ang

作者： Li, Ang;Li, Jiaqi;Liu, Lulei;Xue, Suyan;Zhang, Meng;Tang, Yuze;Mao, Yuze;Li, Ang;Li, Jiaqi;Zhu, Ling;Liu, Lulei;Xue, Suyan;Zhang, Meng;Tang, Yuze;Mao, Yuze;Liu, Fang

作者机构：

关键词： Geligang; Macrobenthos; Benthic ecological quality; M-AMBI; Heavy metals

期刊名称：MARINE POLLUTION BULLETIN （ 影响因子：5.8； 五年影响因子：6.5 ）

ISSN： 0025-326X

年卷期： 2024 年 203 卷

页码：

收录情况： SCI

摘要： Evaluating the ecological quality and pollution status of coastal mudflats is crucial for environmental protection and management, particularly when these areas serve as major shellfish production hotspots. In this study, we assessed the benthic ecological quality and heavy metals pollution in Geligang, located in the Northern Bohai Sea using the macrobenthos diversity index and the heavy metal pollution index. The Shannon-Wiener index (H '), AZTI marine biotic index (AMBI), multivariate AMBI (M-AMBI) showed that the benthic ecological quality in Geligang is either good or high. The potential ecological risk index and geoaccumulation index highlighted that cadmium (Cd) and mercury (Hg) as the primary heavy metal pollutants in Geligang. Surprisingly, the biomass of the two dominant species other than these indices serve as reliable indicators of heavy metal pollution. This suggests that the biomass of Mactra veneriformis and Potamocorbula laevis could be used to assess heavy metal pollution levels in Geligang.

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