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近年来,苏联水产养殖业有了迅猛的发展,已成为国民经济中具有重要意义的一个领域。水产养殖主要分为三个类型:1.鱼苗、鱼种培育;2.商品鱼养殖;3.全系统养殖。其中心任务是提高天然和人工水域生态系的生物产量。水产养殖的好处有:1.可以选养最有营养价值、经济价值、药用价值的各种水生生物;2.不需占用大量的土地和水源;3.利用天然水域生态系的天然饵料基础;4.沿海进行养殖比远洋捕捞投资少得多;5.
In recent years, the rapid development of the aquaculture industry in the Soviet Union has become an area of great significance in the national economy. Aquaculture is mainly divided into three types: 1. Fry fry, fish breeding; 2. Commodity fish farming; 3. System-wide culture. Its central task is to increase the biological production of natural and artificial water ecosystems. The benefits of aquaculture are: 1. Can choose the most nutritious, economic value, medicinal value of a variety of aquatic organisms; 2. Do not take up a lot of land and water; 3. The use of natural water ecosystem based on the natural bait ; 4. Coastal farming far outweighs far-sea fishing investment;