日本沼虾 (Ｍａｃｒｏｂｒａｃｈｉｕｍｎｉｐｐｏｎｅｎｓｉｓ)是我国淡水虾中的重要种 ,具有较高的经济价值 ,湖泊、水库等大水面日本沼虾的产量为其支柱产量。随着捕捞力度不断加大 ,日本沼虾的资源量日趋减少。寻找有效的方法对其进行恢复和增殖十分必要。从人们对水生经济 Macrobrachium nipponensis is an important species of freshwater shrimp in our country, which has high economic value. The production of macrobrachium nipponense, such as lakes and reservoirs, is the mainstay of its production. As fishing efforts continue to increase, the resources of Japanese marsh shrimp are declining. It is necessary to find effective ways to recover and multiply them. From people to aquatic economy