上海城市发展与其海域赤潮的关系分析

Analysis on the Relation between Economic Development and Red Tide along the Coast of Shanghai

近年来，我国沿海地区赤潮爆发频率明显增加，规模不断扩大，对沿海经济的危害程度日益加重。赤潮是自然环境和人类活动共同作用的结果，如何科学地分析沿海城市的经济发展与赤潮灾害的关系已成为迫切需要解决的问题。本文将1978～2004年上海城市发展的相关指标与其海域赤潮发生频率及累计影响面积进行对比分析，结果表明：27年间上海海域出现了2次赤潮高峰期；赤潮灾害规模与上海城市的经济发展、人口增长、沿岸养殖业及农业、陆源排泄物等有密切关系；随着经济的快速发展，上海海域的赤潮频率及影响面积也在不断增加。

In recent years,the red tide of China＇s coastal areas has been increasing obviously and caused increasing impact to coastal economy. Red tide is the combined result of natural environment and human activities. So, how to scientifically analyze the relation between economic development and red tide of the coastal areas becomes an urgent question. In this paper, the related indexes of Shanghai＇s economic development are compared with the frequency and accumulated affected areas of red tide in Shanghai from 1978 to 2004. it shows that, in the 27 years, there are two peak periods of red tide. The scale of red tide disaster is closely correlated with the economic development, population growth, longshore breed aquatics and agriculture, terrestrial recrement. With the rapid economic development, the frequency and influential areas of red tide increase continuously in Shanghai.