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生态学杂志 ›› 2004, Vol. ›› Issue (2): 37-40.

• 研究报告 • 上一篇    下一篇

中国林蛙蝌蚪对盐度和pH的耐受性

杨富亿, 邵庆春, 李景林, 陈国双   

  1. 中国科学院东北地理与农业生态研究所, 长春, 130012
  • 收稿日期:2002-12-11 修回日期:2003-03-05 出版日期:2004-04-10
  • 通讯作者: 杨富亿,男,1964年生,副研究员.从事区域农业(渔业)研究.发表论文数篇,出版专著2部,获专利16项.
  • 基金资助:
    中国科学院创新工程重大项目资助(KZCX1-Y-CA-07)

Tolerance to saltness and pH in tadpole Rana chensinensis

YANG Fuyi, SHAO Qingchun, LI Jinglin, CHEN Guoshuang   

  1. Northeast Institute of Geography and Agricultural Ecology, Chinese Academy of Sciences, Changchun 130012, China
  • Received:2002-12-11 Revised:2003-03-05 Online:2004-04-10

摘要: 分别在正常盐度不同pH值、正常pH值不同盐度和相同水温18.3~20.7℃的条件下,进行中国林蛙蝌蚪对盐度和pH值的耐受性实验。结果表明,在pH值为6.8~7.0时,盐度在20~30g·L-1对蝌蚪96h存活率没有明显影响;随着盐度的增加,蝌蚪存活率下降;盐度对蝌蚪24、48、72和96h的TLm值分别为8.79,7.12,5.64和3.83g·L-1,安全浓度为1.73g·L-1。在盐度为0.18g·L-1时,pH值在4.3~9.7范围内对蝌蚪96h存活率没有明显影响;pH值对蝌蚪的24,48,72和96h的TLm值分别为10.33,10.18,10.08和10.02。生产上中国林蛙蝌蚪生存的适宜pH值为6.0~9.0,适宜盐度为10~20g·L-1

关键词: 生物入侵, 途径和危害, 防治对策

Abstract: Two experiment systems were designed. The results showed under the same water temperature 18.3~20.7 ℃ when pH6.8~7.0, the survival rate of tadpole for 96h was not affected from the salinity 2.0~3.0 g·L-1, The survival rate of tadpole fell with the increate of the salinity. The salinity TLm at 24, 48, 72 and 96 h were 8.79, 7.12, 5.64 and 3.83 g·L-1, respectively. The safety concentration was 1.73 g·L-1. When the salinity 0.18 g·L-1, survival rate of tadpole for 96h is not affected from pH4.3~9.3, pH TLm at 24, 48, 72 and 96h were 10.33, 10.18, 10.08 and 10.02. pH4.3~9.7 and the salinity 1.0~2.0 g·L-1were all suitable in the survival and growth of tadpole Rana chensinensis.

Key words: Biological invasion, Approach and damage, Prevention measures

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