改进实验种群生命表编制的方法——以黑肩绿盔盲蝽为例
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国家支撑计划资助项目(2008BADA5B02)


An improvement on life table of experimental population:example from Cyrtorrhinus lividipennis Reuter (Hemiptera: Miridae)
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    摘要:

    采用指形管单头饲养的方法,编制了稻飞虱的重要捕食性天敌黑肩绿盔盲蝽取食替代寄主米蛾卵的实验种群生命表。通过直接统计和加权平均2种方法的对比,推导出各虫龄历期的计算公式。针对特定时间生命表和特定年龄生命表两种编制方法中存在的不足进行了分析,并提出了可行的解决办法,即在特定时间生命表中导入幼期存活率,在特定年龄生命表中根据推导出的历期公式计算各个虫龄的历期,得到世代平均历期T(T=∑tx+tA ),进而得到rm值。通过对两种生命表编制方法的完善,为昆虫实验种群生命表的编制和参数的计算提供了方便和完整的计算方法。

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    Cyrtorrhinus lividipennis is a vital predator of planthoppers in rice fields, The life table of experimental population of C. lividipennis, rearing on replacement prey Corcyra cephalonica eggs was improved. In laboratory, nymphal durations of C. lividipennis were calculated by means of a new method. The limitations of two kinds of life tables, time-specific life table and age-specific life table were analysed and resolved. The limitation of time-specific life table could be solved by adding the survival rate of immature stages.In age-specific life table, the durations of each stage and the whole generation could be calculated by a formulary detruded from the life table, and rmcould be got from the generation duration.The two kinds of life tables were improved and perfect, and became more convenient for use by these methods.

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刘家莉,杨斌,陆永跃,黄寿山*.改进实验种群生命表编制的方法——以黑肩绿盔盲蝽为例.生态学报,2009,29(6):3206~3212

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  • 收稿日期:2008-02-01
  • 最后修改日期:2008-07-07
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