长荡湖生态环境现状及防治对策

长荡湖是太湖流域的重要湖泊之一，分析了引起该湖生态环境恶化的主要原因，提出控制污染源，减少污染物进入湖体的关键措施，采取压缩网网养殖规模，推广轮牧式养殖工艺，实施全年封草并培植沉水植物，防止长荡湖由草型湖泊向藻型湖泊的转变，逐步恢复长荡湖的生态环境。

State of Changdang Lake's Ecological Environment and Countermeasures

Changdang lake was one of the most important lakes in the Taihu valley.Focusing on analysing why the ecological environment of this lake became worser and worser,some key steps were put forward to control pollution sources and stop pollutants flowing into the lakes.Some ideas were also raised to reduce the scope of the purse net aquatic and popularize to breed them in turn.Meanwhile throughout the year,the water plants were not allowed to be cut off and the precipitating water plants were going to be cultivated in order to prevent the lake Changdang from being an algae one. Gradually its natural ecological environment would be recovered.