我省淡水养殖与全国各地一样发展很快,一些哑河、浅水河湾、湖库汊等都被重点地利用起来了,并成为精养水面。一些大湖或水库也实行了围栏精养。然而,虽然鱼被养成,但普遍面临着无法捕捞的问题。这里介绍几种哑河、围栏、浅水河湾等精养水体的捕捞方法。 1.刺网捕鱼:本法为常用,一般多用单层刺网,少数为二层或三层。网目大小按自己需要而定,一般为7—12cm,网片长为50米。多层刺网用于起捕比较大的鱼,这方面湖北较湖南为普遍。 2.大拉网捕鱼:用长方形网片、网目一般为9cm,3×4聚乙烯线编织而成,上、下纲分别用16、12mm直径的聚 Freshwater aquaculture in our province has enjoyed the same rapid development as the rest of the country. Some dumb rivers, shallow rivers and valleys, and lakes and reservoirs have all been used emphatically and become intensive water areas. Some large lakes or reservoirs have also implemented fence intensive. However, although fish are developed, they generally face the problem of uncaping. Here are several dumb river, fence, shallow river Bay and other intensive water fishing methods. 1. Gill nets fishing: This method is commonly used, the general multi-purpose single layer gill nets, a few for the second floor or three. Mesh size according to their own needs, usually 7-12cm, mesh length of 50 meters. Multi-layered gill nets used for catching larger fish, this area is more common in Hunan than in Hunan. 2. Big pull nets fishing: Rectangular mesh, the mesh is generally 9cm, 3 × 4 polyethylene woven wire, the upper and lower classes were 16,12 mm diameter poly