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Fluoride toxicity to Chinese sturgeon (Acipenser sinensis) larvae and fluoride concentrations in the Yangtze Estuary

文献类型： 外文期刊

作者： Zhuang, P. 1 ; Shi, X. 1 ; Wang, R. 2 ; Zhang, L. 1 ; Feng, G. 1 ; Liu, J. 1 ;

作者机构： 1.Chinese Acad Fishery Sci, E China Sea Fisheries Res Inst, Shanghai 200090, Peoples R China

2.E China Normal Univ, Sch Life Sci, Shanghai 200062, Peoples R China

3.China Three Gorges Univ, Coll Chem & Life Sci, Yichang, Peoples R China

关键词： copper ion: 15158-11-9;pollutant;water pollutant;fluoride: 16984-48-8;toxin;water pollutant;pollutant;chloride ion: 16887-00-6;pollutant;water pollutant;calcium(II) ion: 14127-61-8;pollutant;water pollutantYangtze River Estuary: China;Asia;Palearcti

期刊名称：JOURNAL OF APPLIED ICHTHYOLOGY （ 影响因子：0.892； 五年影响因子：0.956 ）

ISSN：

年卷期：

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收录情况： SCI

摘要： The toxicity of fluoride (F)) to Chinese sturgeon (Acipenser sinensis) larvae was investigated in combination with chloride (Cl-), hardness (Ca2+), and copper ions (Cu2+) within a 6 days test period, while F) concentrations were also monitored in the Yangtze Estuary for 1 year to assess the toxicity implications of environmental contamination load. The mean LC50 value (6 days) of F- was determined with 131.74 mg L-1 for Chinese sturgeon larvae. Safe concentrations of F- for Chinese sturgeon larvae were calculated with 0.01 LC50 (6-days) and 1.32 mg L-1 with Cl- while Ca2+ decreased the toxicity of F-. F- ameliorated toxicity of Cu2+center dot F- concentrations varied between 0.27 and 0.85 mg L-1 in the Yangtze River Estuary from August 2007 to May 2008. We assume that at the present level F- in the Yangtze Estuary does not cause adverse effects to juvenile Chinese sturgeon.

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