我们于２００１年进行了池塘加州鲈与河蟹混养试验，取得了成功，并于２００２年进行了推广应用，全镇养殖面积达１０００亩，亩养殖效益达４０００元，比单产加州鲈效益提高近１０００元，其主要技术要点如下：一、池塘准备鱼池的面积应选择８亩左右为宜，若面积过大，对养殖 We conducted a pond polyculture trial of California bass and crabs in 2001 and achieved success. In 2001, we popularized and applied the whole area with a total area of ​​1,000 mu. The breeding benefit of mu reached 4,000 yuan, which is nearly 1,000 yuan more than the benefit per worker. , The main technical points are as follows: First, the pond area should be prepared for fish ponds should choose about 8 acres, if the area is too large, the culture