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首页> 外文期刊>Marine ecology progress series >Thermal and viscous effects on ciliary suspension-feeding bivalves - no need for a new explanation: Comment on Specht & Fuchs (2018)
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Thermal and viscous effects on ciliary suspension-feeding bivalves - no need for a new explanation: Comment on Specht & Fuchs (2018)

机译：对睫状悬液喂养双壳类动物的热和粘性影响-无需重新解释：Specht＆Fuchs评论（2018）

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In a recent paper, Specht & Fuchs (2018; Mar Ecol Prog Ser 589: 129-140) claim that 2 ciliary suspension-feeding bivalves, the blue mussel Mytilus edulis and the hard clam Mercenaria mercenaria, differ in how they respond to viscosity. For M. mercenaria, the authors found no change in filtration rate or beat frequency of water-pumping cilia in response to changes in viscosity at constant temperature. For M. edulis on the contrary, a previous study found these para meters to depend on manipulated viscosity at constant temperature in the same way as viscosity changes with temperature. To reconcile the opposing views, Specht & Fuchs suggested that the 2 bivalves may fundamentally differ in their responses to viscosity. But this suggestion is unwarranted. In addition to other shortcomings, we show for example that Specht & Fuchs likely misidentified compound laterofrontal cirri as lateral cilia, leading to erroneous conclusions. Furthermore, general fluid mechanical aspects were not considered by Specht & Fuchs, although many studies have shown that temperature-dependent viscosity of the ambient water controls or strongly affects bio-mechanical activity, such as beat frequency of water-pumping cilia in suspension- feeding bivalves, as well as water flows in general.
机译：在最近的一篇论文中，Specht＆Fuchs（2018; Mar Ecol Prog Ser 589：129-140）声称，有2种纤毛悬浮喂养的双壳类动物，蓝贻贝Mytilus edulis和坚硬的蛤Mer Mercenaria mercenaria，它们对粘度的反应方式不同。对于沙门氏菌，作者发现，在恒定温度下，响应于粘度变化的抽水纤毛的过滤速率或拍打频率没有变化。相反，对于可食蓝藻（M. edulis），这些参数取决于在恒定温度下操作的粘度，就像粘度随温度变化一样。为了调和对立的观点，Specht＆Fuchs建议两个双壳类动物对粘度的反应可能存在根本性的差异。但是这个建议是没有根据的。除其他缺点外，例如，我们还表明，Specht＆Fuchs可能将复合的额外侧毛刺误识别为外侧纤毛，从而得出错误的结论。此外，Specht＆Fuchs并未考虑一般的流体力学方面，尽管许多研究表明，随温度变化的环境水粘度取决于控制或强烈影响生物力学活动，例如悬浮饲料中抽水纤毛的跳动频率。双壳类动物以及一般的水流。

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