福建省东张水库建于1958年,设计库容1.8亿立方米,是一座以灌溉为主,兼顾发电和养鱼的大型水库。水库养鱼面积1.5万亩;上游和库区周围树木成荫,复盖率高;水源充足,天然饵料丰富,具有发展养鱼生产的条件。建库以来,共投放苗种1亿多尾,但水库养鱼生产经济效益仍旧很低,年平均 Built in 1958, Dongzhang Reservoir in Fujian Province has a designed storage capacity of 180 million cubic meters. It is a large-scale reservoir mainly of irrigation and power generation and fish farming. Aquaculture area of ​​15000 acres of fish; upstream and the reservoir area around the trees, coverage rate; adequate water, natural food rich, with the development of fish production conditions. Since the establishment of the reservoir, a total of more than 100 million seedlings have been put into operation, but the economic benefits of fish production in reservoirs are still very low. The annual average