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福建水产 ›› 2013, Vol. 35 ›› Issue (1): 27-31.

• 论文与报告 • 上一篇    下一篇

几种阳离子对葡萄牙牡蛎幼虫附着和变态的影响

祁剑飞,曾志南,宁岳,巫旗生   

  1. 福建省水产研究所
  • 收稿日期:2012-10-26 修回日期:2012-11-14 出版日期:2013-02-25 发布日期:2013-02-22
  • 通讯作者: 曾志南

Inoic induces settlement and metamorphosis in Portuguese oyster (Crassostrea angulata) larvae

  • Received:2012-10-26 Revised:2012-11-14 Online:2013-02-25 Published:2013-02-22

摘要: 葡萄牙牡蛎眼点幼虫暴露于K+、CaCl2、MgCl2、NH4Cl不同添加浓度的海水溶液中。结果显示:在最初4h内K+和NH4+可明显诱导幼虫的附着行为;7d后,10mM和20mM的K+以及10~25mM的Ca2+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+、CaCl2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。

关键词: 离子, 葡萄牙牡蛎, 幼虫, 附着变态, Portuguese oyster, larvae, settlement and metamorphosis, Inoic

Abstract: Portuguese oyster larvae were exposed to solutions of KCl、CaCl2、MgCl2、NH4Cl at various concentrations. The result is showed below. At the beginning of the test, K+ and NH4+ induced larvae settlement behavior. After a week, except Mg2+ and NH4+, under the concentration of 10mM,20mM, K+ and 10mM-25mM, Ca2+ both induced larvae settlement and metamorphosis; NH4+ caused high mortality. This indicated that in commercial breeding of Portuguese oyster, KCl、CaCl2 may be the potential chemical cues.