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The Growth and Energy Metabolism of Lymnaea stagnalis (Lymnaeidae, Gastropoda): I. Early Postlarval Period

机译:狼毒(Lymnaea stagnalis)(L科,腹足纲)的生长和能量代谢:I。幼虫后早期

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The growth and the oxygen consumption rate of Lymnaea stagnalis were studied during the first ten weeks after hatching. It is shown that these processes are atypical during early ontogenesis in comparison with adult mollusks. The obtained data on linear (height of shell) and weight growth can be equally well approximated with the von Bertalanffy equation or exponential and power equations. Both linear and weight growth are characterized by an approximately constant specific rate associated with synchronous oscillations of a week period. The oscillations were observed also for the oxygen consumption rate, but of another period (about 2.6 weeks). On average the metabolic rate after the initial triple increase during the first three days remains stable. The power coefficient of the allometric dependence of the total weight on the shell height is significantly less than that of the adult.
机译:在孵化后的最初十周内,研究了狼尾草的生长和耗氧率。与成年软体动物相比,这些过程在早期成虫过程中是非典型的。可以使用von Bertalanffy方程或指数和幂方程来很好地近似获得线性(壳体高度)和重量增长的数据。线性增长和体重增长都以与一周周期的同步振荡相关的近似恒定的比值为特征。还观察到氧消耗速率的振荡,但是是另一周期(约2.6周)。在最初的三天内,最初的三倍增加后,平均代谢率保持稳定。总重量对壳体高度的异形依赖性的功率系数显着小于成年人。

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  • 来源
    《Biology Bulletin》 |2009年第5期|455-463|共9页
  • 作者

    A. A. Zotin;

  • 作者单位

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

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  • 正文语种 eng
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