论文部分内容阅读
用人为方法在天然或人为水面培养有經济价值的水生动植物,使它繁殖增長,提高水面的产量,这种事業叫做养殖业。在江河、湖泊、水庫、池塘中所經营的养殖業,叫做淡水养殖業;在沿海淺灘和港灣所經营的养殖業,叫做淺海养殖業。我国有广大的淡水面积,可以利用来养殖的估計有5,000万亩。养殖的主要对象是鯉魚、草魚、青魚、鰱魚和鱅魚这五种魚类。現在还局限于利用池塘、小湖泊、一部分水庫和極小部分的河道来养魚,面积不到700万亩;其余很大的面积还沒有养魚。池塘养魚在
Human means are used to cultivate aquatic animals and plants with economic value on natural or artificial water surfaces, so that it breeds and grows, increasing the production of water surface. This kind of business is called aquaculture. The aquaculture industry that operates in rivers, lakes, reservoirs and ponds is called freshwater aquaculture; the aquaculture industry that operates in coastal shoals and harbors is called shallow sea aquaculture. China has a vast area of fresh water, and an estimated 50 million mu can be used for breeding. The main targets of the culture are five species of fish: carp, grass carp, herring, carp, and carp. It is still limited to the use of ponds, small lakes, some reservoirs and a small part of the river to raise fish, covering an area of less than 7 million mu; the remaining large area has no fish. Pond fish farming