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Endogenous Biorhythms of the Specific Growth Rate in Individual Development of Lymnaea stagnalis (Lymnaeidae, Gastropoda)

机译:内生斜纹夜蛾(Lymnaeidae,腹足纲)个体发育中特定增长率的内生节律

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摘要

On the basis of data on the growth of freshwater gastropods Lymnaea stagnalis, the dependence of the specific growth rate on age in the late postlarval ontogeny is calculated. The presence of two endogenous biorhythms of the specific growth rate with periods of 10.3 weeks and 6.5 weeks was revealed using singular spectrum analysis. Local maxima of both biorhythms in different individuals fall on the same age, and their periods are approximately the same in all animals studied and remain unchanged during individual postlarval development. The biorhythm with a period of 10.3 weeks is decaying, its amplitude is reduced from 3.2 year~(-1) (at the age of 10 weeks) to 0.8 year~(-1)(at the time of death of the shellfish). The biorhythm with a period of 6.5 weeks is nondecaying and has an average amplitude of 0.8 year~(-1).
机译:根据淡水腹足类动物Lymnaea stagnalis生长的数据,计算出后期幼体发育阶段特定生长速率对年龄的依赖性。使用奇异光谱分析揭示了两种内源性生物节律,分别以10.3周和6.5周的速度生长。两个生物节律在不同个体中的局部最大值处于相同的年龄,并且在所有研究的动物中它们的周期大致相同,并且在个体幼体发育后保持不变。持续时间为10.3周的生物节律正在衰减,其振幅从3.2岁(-1)(在10周龄时)降低到0.8岁(-1)(在贝类死亡时)。周期为6.5周的生物节律没有衰减,平均振幅为0.8年〜(-1)。

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  • 来源
    《Biology Bulletin》 |2013年第1期|1-10|共10页
  • 作者

    A. A. Zotin; S. Yu. Kleimenov;

  • 作者单位

    Kol'tsov Institute of Developmental Biology, Russian Academy of Sciences, ul. Vavilova 26, Moscow, 119334 Russia;

    Kol'tsov Institute of Developmental Biology, Russian Academy of Sciences, ul. Vavilova 26, Moscow, 119334 Russia;

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