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前言鱼道是保持鱼类洄游路线畅通的水工建筑物之一。它对解决江湖阻隔,保持和增殖天然鱼类资源,保持水域必要的生态环境具有一定的作用。洋塘鱼道是一座具有厂房集鱼系统的河川水电站枢纽型鱼道,位于洋塘水轮泵水电站枢纽工程的左侧,该工程座落在湖南省衡东县境内洣水下游之杨梓洲头,下距湘江河口8.7公里。 1981—1982年期间,我们对洋塘鱼道的运行进行了145天,2814 1/3小时的原体观察,总计过鱼1279645尾,隶属于5目13科或亚科,33属,45种。
Foreword Fishways are one of the hydraulic structures that keep fish migrating routes unobstructed. It has a certain effect on solving the barrier of rivers and lakes, maintaining and multiplying the natural fish resources and maintaining the necessary ecological environment in the water area. Yangtang Yuantao is a hub type aqueduct of a river hydropower station that has a plant fishing system. It is located on the left side of the pivot project of the Yangtang Pumping Station in Yangtang, a suburb of Yangzi Island in the lower reaches of Huangshui County in Hengdong County, Hunan Province. Under the Xiangjiang River estuary 8.7 km away. During the 1981-1982 period, we conducted 145 days of operation of the fishpond in Yangtang and 2814 1/3 hours of body observation, totaling 1279645 fish, belonging to 5 orders, 13 families or subfamilies, 33 genera and 45 species .