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两种温度条件下四种鱼类临界游泳速度的比较 被引量:9

Critical Swimming Speed Comparison of Four Species of Fish at Two Acclimation Temperature
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摘要 以鳜(Siniperca chuatsi)、瓦氏黄颡鱼(Pelteobagrus vachelli)、鲫(Carassius auratus)、鳙(Aristichthys nobilis)4种暖水性鱼类为研究对象,分别在(28±1)℃和(10±1)℃条件下测定它们的临界游泳速度,采用SPSS17.0统计软件进行数据的分析比较。体长相近的鱼类之间比较,鳜的绝对临界游泳速度和相对临界游泳速度均显著性低于鳙(P<0.01),瓦氏黄颡鱼的绝对临界游泳速度和相对临界游泳速度均显著性低于鲫(P<0.01)。通过比较两种温度条件下同种鱼的临界游泳速度,结果发现4种鱼在这两种温度条件下的临界游泳速度均有极显著性差异(P<0.01),在(28±1)℃条件下4种鱼的临界游泳速度极显著性高于(10±1)℃条件下它们的临界游泳速度。 The critical swimming speed was measured in four fish species, mandarin fish(Siniperca chuatsi), darkbarbel catfish(Pelteobagrus vachelli), crucian carp(Carassius auratus) and bighead carp(Aristichthys nobilis), at 28 ± 1℃ and 10 ± 1℃ in the annular flume(Fig. 1) that mainly consists of two parts, power part and swimming area. The relationship between flow velocity in the tank and the impeller speed was showed in Fig. 2 and the flow velocity could be adjusted by controlling the impeller speed. SPSS 17.0 software was used for data processing and Duncan′s multiple comparison procedure was used to compare the means of different groups. The absolute critical swimming speed and relatively critical swimming speed of mandarin fish was significantly lower than bighead carp while the absolute critical swimming speed and relatively critical swimming speed of darkbarbel catfish was significantly lower than crucian carp(Table 1). Temperature had extremely significant impacts on swimming performance by comparing of the critical swimming speed between two acclimation temperatures(Fig. 3). The critical swimming speed of fish at normal temperature was significantly higher than that at low temperature.
出处 《动物学杂志》 CAS CSCD 北大核心 2015年第4期529-536,共8页 Chinese Journal of Zoology
基金 公益性行业(农业)科研专项(No.201303056-5) 国家自然科学基金项目(No.51249004)
关键词 临界游泳速度 水温 瓦氏黄颡鱼 Critical swimming speed Water temperature Siniperca chuatsi Pseudobagrus vachelli Carassius auratus Aristichthys nobilis
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