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Review: the energetic value of zooplankton and nekton species of the Southern Ocean

机译：点评：南大洋浮游动物和尼克顿物种的活力价值

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Understanding the energy flux through food webs is important for estimating the capacity of marine ecosystems to support stocks of living resources. The energy density of species involved in trophic energy transfer has been measured in a large number of small studies, scattered over a 40-year publication record. Here, we reviewed energy density records of Southern Ocean zooplankton, nekton and several benthic taxa, including previously unpublished data. Comparing measured taxa, energy densities were highest in myctophid fishes (ranging from 17.1 to 39.3 kJ g(-1) DW), intermediate in crustaceans (7.1 to 25.3 kJ g(-1) DW), squid (16.2 to 24.0 kJ g(-1) DW) and other fish families (14.8 to 29.9 kJ g(-1) DW), and lowest in jelly fish (10.8 to 18.0 kJ g(-1) DW), polychaetes (9.2 to 14.2 kJ g(-1) DW) and chaetognaths (5.0-11.7 kJ g(-1) DW). Data reveals differences in energy density within and between species related to size, age and other life cycle parameters. Important taxa in Antarctic food webs, such as copepods, squid and small euphausiids, remain under-sampled. The variability in energy density of Electrona antarctica was likely regional rather than seasonal, although for many species with limited data it remains difficult to disentangle regional and seasonal variability. Models are provided to estimate energy density more quickly using a species' physical parameters. It will become increasingly important to close knowledge gaps to improve the ability of bioenergetic and food web models to predict changes in the capacity of Antarctic ecosystems to support marine life.
机译：了解通过食物网的能量通量对于估计海洋生态系统支持生物资源储备的能力很重要。在大量的小型研究中，测量了参与营养传递的物种的能量密度，这些研究分散在40年的出版记录中。在这里，我们回顾了南大洋浮游动物，尼克顿和一些底栖生物群的能量密度记录，包括以前未发表的数据。比较测得的分类单元，在Myctophid鱼中能量密度最高（范围从17.1至39.3 kJ g（-1）DW），中间在甲壳类动物（7.1至25.3 kJ g（-1）DW），鱿鱼（16.2至24.0 kJ g（ -1）DW）和其他鱼类科（14.8至29.9 kJ g（-1）DW），最低的是水母（10.8至18.0 kJ g（-1）DW），多毛（（9.2至14.2 kJ g（-1） ）DW）和木雕（5.0-11.7 kJ g（-1）DW）。数据揭示了物种内部和物种之间，与大小，年龄和其他生命周期参数有关的能量密度差异。 pe足类，鱿鱼和小型虾皮等南极食物网中的重要分类单元仍未得到充分采样。南极洲Electrona能量密度的变化可能是区域性的，而不是季节性的，尽管对于许多数据有限的物种而言，仍然难以区分区域性和季节性变化。提供了使用物种的物理参数更快地估计能量密度的模型。缩小知识差距以提高生物能和食物网模型预测南极生态系统支持海洋生物能力变化的能力将变得越来越重要。

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  • 来源
    《Marine biology》 |2018年第8期|129.1-129.35|共35页
  • 作者

    Schaafsma Fokje L.; Cherel Yves; Flores Hauke; van Franeker Jan Andries; Lea Mary-Anne; Raymond Ben; van de Putte Anton P.;

  • 作者单位

    Wageningen Marine Res, Ankerpk 27, NL-1781 AG Den Helder, Netherlands;

    CNRS, Ctr Etud Biol Chize, UMR 7372, F-79360 Villiers En Bois, France;

    Helmholtz Zentrum Polar & Meeresforsch, Alfred Wegener Inst, Handeshafen 12, D-27570 Bremerhaven, Germany;

    Wageningen Marine Res, Ankerpk 27, NL-1781 AG Den Helder, Netherlands;

    Univ Tasmania, Inst Marine & Antarctic Studies, 20 Castray Esplanade, Hobart, Tas 7004, Australia;

    Univ Tasmania, Inst Marine & Antarctic Studies, 20 Castray Esplanade, Hobart, Tas 7004, Australia;

    Royal Belgian Inst Nat Sci, Vautierstr 29, B-1000 Brussels, Belgium;

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