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内陆水产养殖业是指利用陆地表面一切可利用的淡水资源,从事具有经济价值的水生动植物捕捞、养殖等淡水渔业生产活动。目前,我国是世界最大的渔业生产国;内陆水产养殖发展过程中,存在着环境污染、病虫害等问题,必须引起养殖场(户)和有关部门的重视。1.发展现状(1)水污染情况较重工农业生产的快速发展,既对渔业生产的发展起着积极作用,但所排放的污水和废水对渔业生产的发展造成了严重的危害,尤其是大中城市周边的江河支流,部分地区已经出现了鱼类绝迹情况。
Inland aquaculture refers to the production of economically valuable freshwater fisheries such as aquatic and wildlife fishing and aquaculture using all available freshwater resources on the surface of the land. At present, China is the largest fishery producer in the world. In the process of inland aquaculture development, there are some problems such as environmental pollution, pests and diseases, which must be paid attention to by farms and relevant departments. 1. Development status (1) The serious situation of water pollution The rapid development of industrial and agricultural production not only plays an active role in the development of fishery production, but the discharged sewage and wastewater have caused serious harm to the development of fishery production, especially the large In the tributaries of the rivers around the city, fish extinction has occurred in some areas.