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Position: Home > Articles > Effect of positive ion on settlement and metamorphosis in Portuguese oyster(Crassostrea angulata) larvae Journal of Fisheries Research 2013,35 (1) 29-33

几种阳离子对葡萄牙牡蛎幼虫附着和变态的影响

作  者:
祁剑飞;曾志南;宋传福;宁岳;巫旗生
单  位:
福建省水产研究所;石狮市水产技术推广站
关键词:
阳离子;葡萄牙牡蛎;幼虫;附着变态
摘  要:
葡萄牙牡蛎眼点幼虫暴露于K+、Ca2+、Mg2+、NH4+不同添加浓度的海水溶液中。结果显示:在最初4 h内K+和NH4+可明显诱导幼虫的附着行为;7 d后,10 mM和20 mM的K+以及10~25 mM的Ca2+可显著诱导幼虫的附着变态,Mg2+与对照组相比无效,NH4+造成幼虫高死亡率。这表明K+、Ca2+可能成为葡萄牙牡蛎育苗生产上幼虫附着变态的有效诱导剂。
译  名:
Effect of positive ion on settlement and metamorphosis in Portuguese oyster(Crassostrea angulata) larvae
作  者:
QI Jian-fei1,ZENG Zhi-nan1*,SONG Chuan-fu2,NING Yue1,WU Qi-sheng1(1.Fisheries Research Institute of Fujian,Xiamen 361013,China; 2.Shishi Aquatic Products Technology Popularizing Station,Shishi 362700,China)
关键词:
inoic;Portuguese oyster;larvae;settlement;metamorphosis
摘  要:
Portuguese oyster larvae were exposed to solutions of K+,Ca2+,Mg2+ and NH+4 at various concentrations.The result was showed below: At the beginning of the test,K+ and NH+4 induced larvae settlement behavior.After a week,except Mg2+ and NH+4,under the concentration of 10 mM,20 mM,K+ and 10 mM~25 mM,Ca2+ both induced larvae settlement and metamorphosis;NH+4 caused high mortality.This indicated that in commercial breeding of Portuguese oyster,K+ and Ca2+ might be the potential chemical cues.

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