Acute and chronic effects of tributyltin on the Chinese rare minnow(Gobiocypris rarus)  被引量:3

Acute and chronic effects of tributyltin on the Chinese rare minnow (Gobiocypris rarus)

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作  者:周群芳 江桂斌 刘稷燕 

机构地区:[1]Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences

出  处:《Science China Chemistry》2003年第3期243-251,共9页中国科学(化学英文版)

基  金:supported by the National“863”Program,the State High Tech Development Plan(Grant No.2001AA640610);the Chinese Academy of Sciences(Grant No.KZCX2-414).

摘  要:The acute (12 h) and chronic (7 or 14 d) effects of tributyltin chloride (TBT) on a new type of test fish, the Chinese rare minnow (Gobiocypris rarus), have been studied. High accumula-tion of the pollutant in the fish muscle and obvious changes in hepatosomatic index and gonad somatic index were observed after exposure. The ultrastructural findings show a series of patho-logical changes existing in the exposed gill cells and hepatocytes, which demonstrates the toxicity effects of tributyltin compounds on aquatic organisms. The results clearly show that the Chinese rare minnow is a new sensitive test fish material, whose exposure system is suitable for the exten-sive organometallic toxicity studies.The acute (12 h) and chronic (7 or 14 d) effects of tributyltin chloride (TBT) on a new type of test fish, the Chinese rare minnow (Gobiocypris rarus), have been studied. High accumulation of the pollutant in the fish muscle and obvious changes in hepatosomatic index and gonad somatic index were observed after exposure. The ultrastructural findings show a series of pathological changes existing in the exposed gill cells and hepatocytes, which demonstrates the toxicity effects of tributyltin compounds on aquatic organisms. The results clearly show that the Chinese rare minnow is a new sensitive test fish material, whose exposure system is suitable for the extensive organometallic toxicity studies.

关 键 词:TRIBUTYLTIN Chinese rare minnow TOXICOLOGY 

分 类 号:X174[环境科学与工程—环境科学]

 

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