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首页> 外文期刊>Marine ecology progress series >Evidence for diverse responses to viscosity in suspension-feeding bivalves: Reply to Riisgard & Larsen (2018)
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Evidence for diverse responses to viscosity in suspension-feeding bivalves: Reply to Riisgard & Larsen (2018)

机译：悬浮饲料双壳类动物对粘度的不同反应的证据：回复Riisgard＆Larsen（2018）

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In Specht & Fuchs (2018; Mar Ecol Prog Ser 589: 129-140), we found that hard clams Mercenaria mercenaria modify their feeding rates in response to changes in temperature but not to changes in viscosity alone. These results differed from previous findings in the blue mussel Mytilus edulis, and we concluded that whereas M. edulis pumping rates appear to be driven by biomechanical effects of viscosity, M. mercenaria pumping rates appear to be driven by physiological effects of changing temperature, perhaps in response to changes in dissolved oxygen concentration. Riisgard & Larsen (2018; Mar Ecol Prog Ser 596: 263-265) criticize several methodological details in our study and argue that no new explanation is needed for bivalve responses to temperature. Further investigation revealed that we did incorrectly identify laterofrontal cirri as lateral cilia in experiments on ciliary beat rate in Specht & Fuchs (2018). However, despite this error, our general conclusions are unchanged and are strongly supported by feeding experiments. Riisgard & Larsen (2018) overlook differences that make our feeding experiments on M. mercenaria more statistically robust than prior studies on M. edulis. Riisgard & Larsen (2018) also ignore the diversity of responses to viscosity in other members of the animal kingdom. Therefore, we stand by our previous conclusion that hard clams and mussels fundamentally differ in their responses to viscosity.
机译：在Specht＆Fuchs（2018; Mar Ecol Prog Ser 589：129-140）中，我们发现硬c Mercenaria mercenaria会根据温度的变化而不是仅通过粘度的变化来改变其摄食率。这些结果与蓝贻贝Mytilus edulis的先前发现有所不同，我们得出的结论是，尽管M. edulis的抽水速率似乎是由粘度的生物力学效应驱动，但M. mercenaria的抽水速率似乎是由温度变化的生理效应驱动的，也许响应溶解氧浓度的变化。 Riisgard＆Larsen（2018; Mar Ecol Prog Ser 596：263-265）批评了我们研究中的一些方法学细节，并认为双壳类动物对温度的反应不需要新的解释。进一步的调查显示，在Specht＆Fuchs（2018）的纤毛跳动率实验中，我们没有正确地将后额上睫毛识别为外侧纤毛。然而，尽管有这个错误，我们的一般结论仍未改变，并且得到了饲料实验的大力支持。 Riisgard＆Larsen（2018）忽略了差异，这些差异使我们对美因沙门氏菌的喂养实验在统计学上比先前对可食蓝藻的研究更为可靠。 Riisgard＆Larsen（2018）也忽略了动物界其他成员对粘度的反应多样性。因此，我们坚持先前的结论，即硬蛤和贻贝在粘度响应方面存在根本差异。

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