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一、材料与方法1.饮用水源库区条件库区上游主河道长30公里,年径流量1.62亿米3。水库面积为1800亩,是市区重要的供水水源地,水深3～50米不等,水面平缓,水位季节性变化小,水质清新无污染,水源地上游天然林保护良好,水库浮游生物丰富。2.水库拦鱼设施处选择与设置拦鱼设施修建处
I. Materials and Methods 1. Drinking Water Source Reservoir Conditions The main channel upstream of the reservoir area is 30 km long with an annual runoff of 162 million meters3. The reservoir area is 1800 mu. It is an important water supply source in the urban area. The water depth is between 3 and 50 meters. The surface of the water is gentle. The seasonal change of the water level is small. The water quality is fresh and pollution-free. The natural forests in the upper reaches of the water source are well protected and the plankton in the reservoir is rich. 2. Reservoir storage facilities at the fish ponds to choose and set up office