齐口裂腹鱼上溯洄游过程中的感官圈解译研究  

Interpretation of sensory query distance during upstream migration of Schizothorax prenanti

作　　者：邓月曦 唐锡良 严忠銮 王小明 卢晶莹 安瑞冬[1] 李嘉[1] DENG Yue-xi;TANG Xi-liang;YAN Zhong-luan;WANG Xiao-ming;LU Jing-ying;AN Rui-dong;LI Jia(State Key Laboratory of Hydraulics and Mountain River Engineering,College of Water Resources and Hydropower,Sichuan University,Chengdu 610065,China;China Three Gorges Construction Engineering Corporation,Chengdu 610041,China;China Three Gorges Corporation,Wuhan 430010,China)

机构地区：[1]四川大学水利水电学院,水力学与山区河流开发保护国家重点实验室,四川成都610065 [2]中国三峡建工(集团)有限公司,四川成都610041 [3]中国长江三峡集团有限公司,湖北武汉430010

出　　处：《中国环境科学》2022年第8期3882-3889,共8页China Environmental Science

基　　金：国家自然科学基金资助项目(52122904)。

摘　　要：选取西南地区典型鱼类齐口裂腹鱼(Schizothorax prenanti,(32.32±2.73)cm)作为实验对象,测试鱼类在上溯过程中应对不同水流环境时的游泳行为,解译不同大小网格尺寸下鱼类的游泳速度、转向次数以及转角和转角差与真实游泳轨迹的匹配程度.结果表明:采用小于或等于0.30m尺寸的网格时,分析得出的鱼类上溯运动平均游泳速度、转向次数以及转角和转角差均与实际情况无显著性差异,另外鱼类更偏向于在0.20~0.40m/s的流速区间内以和水平方向呈-49°~49°的运动搜索范围进行上溯运动.In this paper, an endemic fish located in Southwest China, Schizothorax prenanti(32.32±2.73)cm, was selected as the research object to test the volitional swimming behavior during the upstream migration in an open-channel flume with alternative flow regimes, and to interpret the extent to which swimming speed, turning times, angle and angle difference under different mesh sizes can match with the real swimming trajectory. The results showed that when the mesh size was less than or equal to 0.30m, there was no significant difference between the average swimming speed, the number of turns, the angle and the difference of turns with real swimming data. In addition, fish are more inclined to swim in the velocity ranged from 0.20 to 0.40m/s with the search angle ranged from-49° to 49° in horizontal direction.

关 键 词：网格尺寸 生态水流 鱼类行为 感官圈 

分 类 号：X171[环境科学与工程—环境科学]