中国的海岸线长达1.8万多公里,海洋生物资源丰富,拥有740多万亩可供海水养殖的海域。目前,全国海水养殖总面积已达167.6万亩。从解放以来,海水养殖事业有了较大发展,从无到有地发展了海带和紫菜的全人工养殖;动物养殖中鱼类养殖的比重很小,以虾类和贝类等无脊椎动物为主,在群众养殖经验的基础上,通过试验研究,发展了多品种、全人工养殖,现分别概述如下。 China has a coastline of more than 18,000 kilometers and rich marine life with more than 7.4 million mu of sea area for marine aquaculture. At present, the total area of ​​mariculture in the country has reached 1.676 million mu. Since the liberation, there has been a great development in the cause of seawater aquaculture, and all-purpose aquaculture of seaweed and seaweed has been developed from scratch. The proportion of fish farming in animal husbandry is very small. For invertebrates such as shrimp and shellfish, The Lord, on the basis of the experience gained by the masses in breeding, has developed many varieties and all man-made farms through experimental studies, and the respective presentations are summarized as follows.