Role of living environments in the accumulation characteristics of heavy metals in fishes and crabs in the Yangtze River Estuary, China
文献类型: 外文期刊
作者: Zhao, Shou 1 ; Feng, Chenghong 1 ; Quan, Weimin 2 ; Chen, Xiaofeng 1 ; Niu, Junfeng 1 ; Shen, Zhenyao 1 ;
作者机构: 1.Beijing Normal Univ, Sch Environm, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100875, Peoples R China
2.Chinese Acad Fishery Sci, E China Sea Fisheries Res Inst, Minist Agr, Key & Open Lab Marine & Estuarine Fishery Resourc, Shanghai 200090, Peoples R China
关键词: heavy metal;accumulation mechanism;yangtze estuary;correlation;health risk assessment
期刊名称:MARINE POLLUTION BULLETIN ( 影响因子:5.553; 五年影响因子:5.907 )
ISSN:
年卷期:
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收录情况: SCI
摘要: Correlation of heavy metals in the tissues of typical organisms (i.e., fishes and crabs) and those in their living environments (i.e., surface water, bottom water, and sediment) in Yangtze River Estuary has been qualitatively and quantitatively analyzed. Metal levels followed the trend: sediments > Eriocheir sinensis > Eriocheir leptognathus > benthic fish > pelagic fish > bottom water > surface water. Tissues in fishes and crabs of different species and sizes had diverse metal bioaccumulation characteristics, which was significantly affected by environment factors and their living habits. Metal levels in legs of crabs, and heads and skins of fishes showed significant correlations with those in their living environments. Collich-thys lucidus is an effective bioindicator for assessing metal levels in water. No significant health risk was identified by the estimated daily intake and target hazard quotients analyses.
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