山东省青岛市有淡水养殖水面25.5万亩,淡水资源较为丰富,发展淡水养殖业条件优越。为探索一种新的养殖模式,提高经济效益,2001年~2002年,我们进行了河蟹、彩鲫和睡莲三位一体的生态立体养殖生产性试验,取得了较好的生态效益和经济效益。一、养殖条件养殖场池塘16个,水面共计42 Qingdao City, Shandong Province, 25.5 million mu of freshwater aquaculture waters, freshwater resources are more abundant, the development of freshwater aquaculture conditions. In order to explore a new breeding model and improve economic efficiency, from 2001 to 2002, we carried out the ecological three-dimensional culture experiment of crab, Carassius auratus and Water lily, and achieved good ecological and economic benefits. First, aquaculture farm ponds 16, a total of 42 surface water