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海洋灾害的成因有自然方面的也有人为方面的:风暴潮、海侵等就是由海洋自然环境发生异常或激烈变化所产生的;海洋污染是由人类生产活动所造成的;赤潮是人类和自然共同作用的产物。据有关统计资料表明,我国海洋灾害造成的经济损失正在不断地上升:50年代到70年代每年海洋灾害的损失只有几亿元,80年代前期损失上升到每年10亿元左右。90年代每年损失达100亿元,97年竟高达300多亿元,在沿海地区近几年来海洋灾害造成的经济损失占当地国民经济收入的10%左右,海洋灾害是影响我国经济持续稳定发展的重要因素之一。正确地认识和减少海洋灾害的影响,对促进我国经济建设的迅速发展具有一定的积极意义。
The causes of marine disasters are natural and man-made: storm surges and transgressions are caused by abnormal or drastic changes in the natural marine environment; marine pollution is caused by human activities; and red tides are common to both man and nature The product of action. According to relevant statistics, the economic losses caused by the marine disasters in our country are constantly on the rise: the annual marine catastrophe losses in the 1950s and the 1970s were only a few hundred million dollars, and the losses in the early 1980s rose to about 1 billion yuan a year. In the 1990s, the annual loss was 10 billion yuan, up from 30 billion yuan in 1997. The economic losses caused by marine disasters in coastal areas in recent years accounted for about 10% of the local national economy. The marine disasters are affecting the sustained and steady development of our economy One of the important factors. Correctly understanding and reducing the impact of marine disasters has some positive meanings for promoting the rapid development of China’s economic construction.