崔家营航电枢纽工程鱼道过鱼效果
崔家营航电枢纽工程位于长江中游支流汉江上,是一个以航运为主,兼有发电、灌溉等综合开发功能的项目.为了减免工程对鱼类资源的不利影响,崔家营航电枢纽工程采取了修建鱼道的保护措施.为了解崔家营航电枢纽工程鱼道的过鱼效果,2012年9月19-26日,采用网具回捕和水声学监测结合的方法,对通过鱼道鱼类的种类、规格、数量和生物学性状进行了调查.结果表明,采用三层流刺网在鱼道内共捕获到11种鱼通过鱼道上溯,包括瓦氏黄颡鱼、吻鮈、鳊鱼、蛇鮈、马口鱼、圆吻鲴、犁头鳅、铜鱼、鳜鱼、鲢、（）,其中数量较多的为瓦氏黄颡鱼、（）和圆吻鲴;水声学监测了1267 min,共获得658个目标信号,平均每分钟获得0.5个目标,...
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| Published in | 农业工程学报 Vol. 29; no. 3; pp. 184 - 189 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
农业部长江中上游渔业资源环境重点野外科学试验站,中国水产科学研究院长江水产研究所,武汉 430223%华中农业大学水产学院,武汉 430070%西南大学生命科学学院,重庆 400715
2013
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1002-6819 |
| DOI | 10.3969/j.issn.1002-6819.2013.03.025 |
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| Abstract | 崔家营航电枢纽工程位于长江中游支流汉江上,是一个以航运为主,兼有发电、灌溉等综合开发功能的项目.为了减免工程对鱼类资源的不利影响,崔家营航电枢纽工程采取了修建鱼道的保护措施.为了解崔家营航电枢纽工程鱼道的过鱼效果,2012年9月19-26日,采用网具回捕和水声学监测结合的方法,对通过鱼道鱼类的种类、规格、数量和生物学性状进行了调查.结果表明,采用三层流刺网在鱼道内共捕获到11种鱼通过鱼道上溯,包括瓦氏黄颡鱼、吻鮈、鳊鱼、蛇鮈、马口鱼、圆吻鲴、犁头鳅、铜鱼、鳜鱼、鲢、（）,其中数量较多的为瓦氏黄颡鱼、（）和圆吻鲴;水声学监测了1267 min,共获得658个目标信号,平均每分钟获得0.5个目标,总体体长均值为33.50 cm,95%置信区间为30.43~36.55 cm.崔家营航电枢纽工程鱼道的建成和运行,为大坝上下游鱼类的交流和完成生活史提供了渠道,对保护汉江的渔业资源具有重要意义. |
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| AbstractList | TV61; 崔家营航电枢纽工程位于长江中游支流汉江上,是一个以航运为主,兼有发电、灌溉等综合开发功能的项目.为了减免工程对鱼类资源的不利影响,崔家营航电枢纽工程采取了修建鱼道的保护措施.为了解崔家营航电枢纽工程鱼道的过鱼效果,2012年9月19-26日,采用网具回捕和水声学监测结合的方法,对通过鱼道鱼类的种类、规格、数量和生物学性状进行了调查.结果表明,采用三层流刺网在鱼道内共捕获到11种鱼通过鱼道上溯,包括瓦氏黄颡鱼、吻鮈、鳊鱼、蛇鮈、马口鱼、圆吻鲴、犁头鳅、铜鱼、鳜鱼、鲢、(),其中数量较多的为瓦氏黄颡鱼、()和圆吻鲴;水声学监测了1267 min,共获得658个目标信号,平均每分钟获得0.5个目标,总体体长均值为33.50 cm,95%置信区间为30.43~36.55 cm.崔家营航电枢纽工程鱼道的建成和运行,为大坝上下游鱼类的交流和完成生活史提供了渠道,对保护汉江的渔业资源具有重要意义. 崔家营航电枢纽工程位于长江中游支流汉江上,是一个以航运为主,兼有发电、灌溉等综合开发功能的项目.为了减免工程对鱼类资源的不利影响,崔家营航电枢纽工程采取了修建鱼道的保护措施.为了解崔家营航电枢纽工程鱼道的过鱼效果,2012年9月19-26日,采用网具回捕和水声学监测结合的方法,对通过鱼道鱼类的种类、规格、数量和生物学性状进行了调查.结果表明,采用三层流刺网在鱼道内共捕获到11种鱼通过鱼道上溯,包括瓦氏黄颡鱼、吻鮈、鳊鱼、蛇鮈、马口鱼、圆吻鲴、犁头鳅、铜鱼、鳜鱼、鲢、（）,其中数量较多的为瓦氏黄颡鱼、（）和圆吻鲴;水声学监测了1267 min,共获得658个目标信号,平均每分钟获得0.5个目标,总体体长均值为33.50 cm,95%置信区间为30.43~36.55 cm.崔家营航电枢纽工程鱼道的建成和运行,为大坝上下游鱼类的交流和完成生活史提供了渠道,对保护汉江的渔业资源具有重要意义. |
| Abstract_FL | The Cuijiaying navigation-power junction project is located at the Hanjiang River. Its functions include, but are not limited to, navigation, power generation, and irrigation. In order to compensate for the adverse effect of the project on the fishery resource, a fish passage was built. To realize the effect of the fish passage, an investigation was conducted September 19-26, 2012 and the methods of net catch and hydroacoustic monitoring were adopted. Trammel nets were used for fish catching in the fishway. The net was comprised of three layers and the dimensions of the net were 15m×1.2m. The mesh of the middle layer was 4mm and the mesh of the outer two layers was 8mm. Nets were laid at the orifices of the baffle plate and six nets were put out every day, three in the daytime and the other three in the nighttime. The first net was put in the exit of the Cuijiaying fishway and the distance between the net and the exit was 8 meters. The distance of the other two nets to the exit was 18 meters and 28 meters. Hdroacoustic equipment of SIMRAD EY60 was adopted at the front of the exit to see the quantity of fish which can swim across the entire fish passage. The frequency of the equipment was 200 kHz and the angle of the beam was 7°. The equipment was fixed at the exit of the fishway and the distance between the equipment and the exit was 7 meters. Hydroacoustic detection was conducted during day and night time. The results showed that a total of 11 fish species can swim through the passage, which are Pelteobagrus vachelli (Richardson), Rhinogobio typus Bleeker, Megalobrama amblycephala, Saurogobio dabryi Bleeker, Opsariicjthys bidens, Distoechodon tumirostris, Lepturichthys fimbriata (Gunther), Coreius heterodon (Bleeker), Siniperca chuatsi (Basilewsky), Hypophthalmichthys molitrix (Cuvier et Valenciennes) and Hemiculter leucisclus (Basilewsky), among which Pelteobagrus vachelli (Richardson), Hemiculter leucisclus (Basilewsky) and Distoechodon tumirostris are the main species. The quantity and weight of the fish caught was 37 individuals with a total weight of 2813.4g, among which the quantity and weight of Pelteobagrus vachelli (Richardson) accounted for forty-six percent and forty-one percent, respectively. The average length of the caught fish was 166.9mm and the 95%confidence interval was between 152.5mm and 181.3mm. The average weight of the caught fish was 80.0g and the 95% confidence interval was between 58.3g and 101.6g. Hydroacoustic equipment was used for 1267 minutes and 658 signals were detected. During the daytime, 571 signals were detected and the average target strength was-55.68dB. The equation of TS=23.902lgSL-87.3 was adopted to calculate the fish length and the average fish length in the daytime was 33.32cm. The 87 signals in the nighttime were also calculated; the average target strength and fish length were -54.48dB and 34.62 cm, respectively. The fish quantity detected in the nighttime was lower than in the daytime, but the target strength and the average fish length in the nighttime was a little higher. The average length of the detected fish was 33.50cm and the 95% confidence interval was between 30.43cm and 36.55cm. According to our investigation, Cuijiaying fishway offers an exchange channel for fish below and up the dam site in the detected period and protects the fishery resource in the river basin. |
| Author | 王珂 刘绍平 段辛斌 孙铭帅 叶超 陈大庆 |
| AuthorAffiliation | 农业部长江中上游渔业资源环境重点野外科学试验站中国水产科学研究院长江水产研究所,武汉430223 华中农业大学水产学院,武汉430070 西南大学生命科学学院,重庆400715 |
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| Keywords | trammel net 三层流刺网 鱼道 fish effect fishways 过鱼效果 崔家营 power generation 鱼 发电 Cuijiaying |
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| Notes | fishways, power generation, fish, effect, trammel net, Cuijiaying The Cuijiaying navigation-power junction project is located at the Hanjiang River. Its functions include, but are not limited to, navigation, power generation, and irrigation. In order to compensate for the adverse effect of the project on the fishery resource, a fish passage was built. To realize the effect of the fish passage, an investigation was conducted September 19-26, 2012 and the methods of net catch and hydroacoustic monitoring were adopted. Trammel nets were used for fish catching in the fishway. The net was comprised of three layers and the dimensions of the net were 15m×1.2m. The mesh of the middle layer was 4mm and the mesh of the outer two layers was 8mm. Nets were laid at the orifices of the baffle plate and six nets were put out every day, three in the daytime and the other three in the nighttime. The first net was put in the exit of the Cuijiaying fishway and the distance between the net and the exit was 8 meters. The distance |
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| Publisher | 农业部长江中上游渔业资源环境重点野外科学试验站,中国水产科学研究院长江水产研究所,武汉 430223%华中农业大学水产学院,武汉 430070%西南大学生命科学学院,重庆 400715 |
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| SubjectTerms | 三层流刺网 发电 崔家营 过鱼效果 鱼 鱼道 |
| Title | 崔家营航电枢纽工程鱼道过鱼效果 |
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