盐度对施氏鲟和西伯利亚鲟稚鱼的急性毒性

生态学杂志

盐度对施氏鲟和西伯利亚鲟稚鱼的急性毒性

赵峰^1,2;庄平^1,2;李大鹏³;章龙珍¹;张涛¹

¹中国水产科学研究院东海水产研究所农业部海洋与河口渔业重点开放
实验室，上海 200090；²上海高校水产养殖学-E 研究院，上海水产大学生命科学与技术学院，上海 200090；³华中农业大学水产学院，武汉 430070

收稿日期:2007-08-21 修回日期:1900-01-01 出版日期:2008-06-10 发布日期:2008-06-10

Acute toxicity of salinity to juvenile Acipenser schrenckii and A. baerii.

ZHAO Feng^1,2;ZHUANG Ping^1,2;LI Da-peng³;ZHANG Long-zhen¹;ZHANG Tao¹

¹Key and Open Laboratory of Marine and Estuarine Fisheries of Agricultu
re Ministry, East China Sea Fisheries Research Institute, Chinese Academy of Fisheries Sciences, Shanghai 200090, China;²Aquaculture Division, E-nstitute of Shanghai Universities, College of Aqualife Science and Technology, Shanghai Fisheries University, Shanghai 200090, China;³Fisheries College, Huazhong Agricultural University, Wuhan 430070, China

Received:2007-08-21 Revised:1900-01-01 Online:2008-06-10 Published:2008-06-10

摘要/Abstract

摘要： 比较了盐度对施氏鲟（Acipenser schrenckii）和西伯利亚鲟（A. baerii）稚鱼的急性毒性效应。结果表明：施氏鲟稚鱼的96 h盐度半致死浓度（LC₅₀）为14.72，西伯利亚鲟为13.08；96 h盐度LC₅₀及盐度反应曲线显示，施氏鲟对盐度的耐受力大于西伯利亚鲟；在高盐度（≥14.70）下，2种鲟鱼依次表现出缓慢环游、狂躁环游、活动减弱、身体失衡和活动停止（死亡）等5种行为反应；西伯利亚鲟各行为反应出现的时间均早于施氏鲟，说明西伯利亚鲟对盐度的反应较施氏鲟敏感。

关键词: 海洋细菌, 抗菌, 细胞毒

Abstract: A comparative study was made on the acute toxicity of salinity to juvenile Acipenser schrenckii and A. baerii. The results showed that the 96 h median lethal concentration (LC₅₀) was 14.72 for juvenile A. schrenckiiand 13.08 for juvenileA. baerii. It was deduced from the 96 h LC₅₀ values and salinity response curves that A. schrenckii had higher salinityresistance than A. baerii. The behavioral response of the two species to higher salinities (≥14.70) exhibited five ordinal behaviors, i.e., slow swimming around the tank, manic swimming around the tank, swimming weakly, body imbalance, and movement stopping (dead). Based on the appearance time of specific behavioral response of the two species, A. baerii was more sensitive to the salinity than A. schrenckii.

Key words: Marine bacteria, Antibacterial, Cytotoxicity

赵峰;庄平;李大鹏;章龙珍;张涛 . 盐度对施氏鲟和西伯利亚鲟稚鱼的急性毒性[J]. 生态学杂志.

ZHAO Feng^1,2;ZHUANG Ping^1,2;LI Da-peng³;ZHANG Long-zhen¹;ZHANG Tao¹. Acute toxicity of salinity to juvenile Acipenser schrenckii and A. baerii.[J]. cje.