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密云水库是一座供发电、灌溉、工农业用水综合利用的水库。位于首都东北七十五公里,是潮白河水系上最大的水库。设计水面面积28万亩,养鱼正常水面13.7万亩。纬度较高,气温较低,是一个山谷型水库。水瘦,九松山副坝前,5～9月透明度平均为393厘米(同期平均水温23.9℃)。1959年开始养鱼,现有捕鱼船185只,围网19合,围网船95只,其中机船21艘,共887马力,草
Miyun Reservoir is a reservoir for power generation, irrigation, comprehensive utilization of industrial and agricultural water. Located 75 kilometers northeast of the capital, Chaobai River is the largest reservoir. Design surface area of 280000 acres, the normal water surface of fish 137000 mus. Higher latitudes, lower temperatures, is a valley-type reservoir. Water thin, nine Matsuyama front dam, 5 to 9 months, the average transparency of 393 cm (over the same period the average temperature of 23.9 ℃). 1959 began to fish, the existing 185 fishing vessels, seine 19 together, 95 seine ships, of which 21 ship, a total of 887 horsepower, grass