湖泊青虾生态增养殖技术研究

Ecological Multiplication of Macrobrachium nipponense

通过对湖泊大水面青虾生态增养殖技术试验,采取区域性小围网清野,暂养虾苗和强化培育、适时捕捞等措施,使青虾在大水面形成自然种群,生态系统达到比较合理的良性循环,667 hm^2(10 000亩)试验水面生产青虾63 891kg,平均每667 m^2新增青虾6.39 kg,青虾平均规格3.1 g/尾,回捕率达45%。

Based on applying the measures such as cleaning the water on small scale,temporary intensively rearing of the larvae and harvesting at reasonable occasion, the natural species group of Macrobrachium nipponense has come into being in the lake.The unit yield was 63 891 kg every 667 hm^2,the harvest size was 3.lg and the rate of catching was 45 percent.