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一、材料与方法 1.水面的选择 本试验选择的高台县马尾湖、临泽县双泉湖和金塔县北河湾水库,均为我省黑河流域平原型水库。水库面积分别为6000亩、2000亩、4000亩,平均水深0.7米,最深处3.5米,水库底质多为细砂,水草丰盛,覆盖面积达
I. Materials and methods 1. The choice of water surface Select the test of the Maotao Lake in Gaotai County, Linquan Shuangquan Lake and Qujing Beihewan Reservoir, are the Heihe River basin plain reservoir. Reservoir area respectively 6000 mus, 2000 mus, 4000 mus, the average depth of 0.7 meters, the deepest 3.5 meters, the reservoir sediment mostly fine sand, abundant aquatic plants, covering an area of up to