2005年我们在骆马湖水面进行网围养蟹、套养鳜、鳙鱼试验研究,取得较好的生态效益、经济效益和社会效益。现将试验情况报道如下:1材料与方法试验条件试验在新沂市骆马湖陆渡口养殖示范区进行,面积8hm2。骆马湖位于江苏省北部,总面积233.3hm2,湖区天然饵料资源丰富,浮游植物数量 In 2005, we carried out the net crab raising in the Luoma Lake water surface, the experimental study on raising 鳜 and catfish, and achieved better ecological, economic and social benefits. The test conditions are reported as follows: 1 Materials and methods Test conditions Test Luoma Lake in Xinyi Lu ferry aquaculture demonstration area, an area of ​​8hm2. Luoma Lake is located in the northern part of Jiangsu Province, with a total area of ​​233.3hm2. Lake natural abundance of food resources, phytoplankton