一、概况大庆市位于松嫩平原中部,处在嫩江流域的闭流区,境内泡沼棋布,无自然河流。其地表水源主要是引入嫩江水和自然降水。大庆市的可养殖水面约50万亩,主要包括水库、湖泡、蓄水池和人工养殖池四大类型。由于工农业生产废水和生活污水的排放,使各类型水域遭受到不同程度的污 I. Overview Daqing City is located in the central part of the Songnen Plain, in the Nenjiang River drainage area, the territory of the bubble swag cloth, no natural rivers. Its surface water is mainly the introduction of Nenjiang River water and natural precipitation. Daqing City, about 500000 acres of aquaculture water surface, including reservoirs, lakes, reservoirs and artificial ponds four types. Due to the discharge of industrial and agricultural production wastewater and domestic sewage, various types of waters are subject to different degrees of pollution