1993年对虾发病以来 ,我区逐步探索出虾、蟹、贝混养的虾池综合利用新路子 ,梭子蟹已成为虾池养殖的主导种 ,取代了对虾的养殖地位。1 999年 ,我区养殖梭子蟹 80 0ｈｍ2 ,实现总产量6 30ｔ,利润 1 347万元 ,平均单产 787 5ｋｇ/ｈｍ2 ,平均利润 1 6 837 5元/ｈｍ2 。分析我区 1 Since the shrimp epidemic in 1993, our district has gradually explored new ways to comprehensively utilize the shrimp ponds of shrimp, crab and shellfish, and the shuttle has become the dominant species in shrimp ponds breeding, replacing the shrimp breeding status. In 1999, we breed 80hm 2 of shuttle crabs in our district, realizing a total output of 630 tons and a profit of 13.74 million yuan, with an average yield of 787 5kg / hm2 and an average profit of 1 68837 yuan / hm2. Analysis of my area