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江苏省金湖县农民在湖、河中搞生态小区围网养鱼获得成功.1989年,围网水面6007亩,捕获成鱼901吨。这种投资少、见效快、省工省料省本的新兴水产养殖方式,为发展大水面生态经济闯出了一条新路。最近,在该县召开的苏北里下河地区自然资源开发利用现场会议上,得到了有关领导和专家的肯定. 该县发展生态小区围网养鱼的主要技术措施是: 一、选择正常水深在2米左右、水草和浮游生物较为丰富、非水运要道的湖(河)水面,用支架支撑渔网围成若干小区,面积、形状因地制宜,以便利管理和捕捞作业而定。围网时注意尽量利用堤岸、小区相互衔接、加固外围渔网。二、投放大规格鱼种,上、中、下层鱼品种相互
Jinhu County, Jiangsu Province, farmers in the lake, river ecologically-bound community fence fish success in 1989, the siege surface of 6007 acres, 901 tons of adult fish caught. This kind of new aquaculture method with less investment, quick response and saving labor and capital saves a new road for the development of the great water surface ecological economy. Recently, the county held in the Lixiahe Lubei natural resources development and utilization of the site meeting, the relevant leaders and experts have been affirmed.The county development of ecological pens around the net of fish farming is the main technical measures: First, the choice of normal water depth At about 2 meters, aquatic plants and plankton are more abundant, and non-water-transporting lakes (rivers) are surrounded by fishing nets with brackets to form a number of small plots. The area and shape are suitable for management and fishing operations. Seine pay attention to make full use of embankment, community interconnection, strengthening the external fishing nets. Second, put large-scale species, the upper, middle and lower fish species mutual