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(一) 海洋经济生物的增殖,目前已成为提高专属经济水域水产品产量和质量的重要问题。由于人们对水产品的需求越来越多,海洋渔业无限制地发展,使很多国家沿海的渔业资源遭到严重破坏。在这种情况下,单纯依靠渔业调整与自然补充来恢复被破坏的资源,不但速度慢,而且不能从根本上提高水域的生产力。因此,采用人工繁殖、
(I) The proliferation of marine economic organisms has now become an important issue for raising the output and quality of aquatic products in exclusive economic waters. Due to the increasing demand for aquatic products, the unrestricted development of marine fisheries has severely damaged the coastal fishery resources in many countries. Under such circumstances, simply relying on fisheries adjustment and natural supplement to restore damaged resources is not only slow but also can not fundamentally improve the productivity of waters. Therefore, the use of artificial breeding,