适应条件对鱼类续航游泳能力的影响

被引：13

作者：

桂福坤

王萍

吴常文

机构：

[1] 浙江海洋学院浙江省海洋养殖装备与工程技术重点实验室

来源：

水产学报 | 2010年 / 34卷 / 08期

关键词：

美国红鱼; 黑鲷; 适应流速; 适应时间; 加速时间; 续航时间;

D O I：

暂无

中图分类号：

S917.4 [水产动物学];

学科分类号：

0908 ;

摘要：

以续航时间作为鱼类游泳能力的评测指标,就适应流速、适应时间、加速时间等适应条件以及测试流速4种因素对美国红鱼及黑鲷续航游泳时间的影响进行了研究。试验采用均匀设计,其中美国红鱼采用4因素8水平试验方案,黑鲷采用4因素7水平试验方案。试验研究和理论分析表明,加速时间对大流速条件下的续航时间有较大影响,而对小流速条件下的续航时间影响可以忽略,具体影响大小与鱼类的品种和规格、流速大小、加速时间等有关;适应流速建议控制在1.5BL/s以内,以避免测试前鱼类过多的能量损失。尽管较长的适应时间更有利于鱼进行充分的调整以适应新的环境,但适应时间仍建议控制在60min以内;测试流速对鱼类的续航时间有极为显著的影响,两种鱼的续航时间均随测试流速的增加呈幂函数规律衰减。

引用

页码：1227 / 1235

页数：9

共 24 条

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