中国の湖沼の富栄養化に関する研究

概要

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There are many freshwater lakes in China. Since the early 1950s, many lakes have been disappearing. Chinese researchers have found that the main cause of the decrease in lake area is water pollution and eutrophication. This is also a world-wide problem. In the autumn of 1995,the 6th World Lake Conference was held in Ibragi Prefecture, Japan. Papers read there demonstrated that eutrophication is a leading cause of lake degradation. Presented papers showed that, at present, the major world-wide environmental hazard is eutrophication of freshwater lakes. As China's economy develops rapidly, her environment progressively worsens. Lake eutrophication is one facet of China's environmental problem. After grasping the severity of the causes and the course of pollution leading to eutrophication of China's fresh water lakes, it is important for researchers to consider countermeasures to prevent eutrophication. This article describes references, locates investigation results of the severity, gives and examples of lake eutrophication in China, and shows the results of a Chinese environmental consciousness questionnaire.
長崎大学の論文