鱼类游泳运动的研究——Ⅰ、三种海洋鱼类游泳的运动学特性STUDIES ON FISH SWIMMING Ⅰ . SWIMMING KINEMATICS OF THREE SPECIES OF MARINE FISHES
何平国,C.S.Wardle
摘要(Abstract)：
作者提出鲭鱼(Scomber scombrus L.)、绿青鳕(Pollachius virens(L))和鲱鱼(Clupea harengus L.)的游泳运动学特性。实验表明,这三种鱼类的游泳速度与摆尾频率成线性关系。当泳速大于三倍体长/秒(BL/S)时,单位游距几乎不随游速变化,其平均值分别为:鲭鱼0.90体长(BL)、绿青鳕0.88BL、鲱鱼0.70BL。其摆尾幅度都不随游速变化,平均值在0.21～0.23BL之间,各种鱼之间无显著差别。作者认为,鱼类游泳的单位游距与鱼类的体型、肌肉及游泳推进性能有关,而单位游距的差异是身体—尾鳍式游泳的鱼类之间最大游速差异的主要原因。
关键词(KeyWords)： 游泳速度;摆尾频率;单位游距;摆尾幅度
基金项目(Foundation):
作者(Author): 何平国,C.S.Wardle
DOI: 10.16441/j.cnki.hdxb.1989.s2.014
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