论文部分内容阅读
胶州湾为一半封闭海湾,总面积为423km2,海岸线总长163km。湾内盛产鱼虾、贝类等水产品,是一个天然的渔场和养殖场。一、污染现状 随着城市和工业的发展,工业的三废和城市生活污水,垃圾等大量进入胶州湾。仅湾东岸直接入海的下水道和河口就有20余处。据不完全统计,每年进入胶州湾的工业废水约7300万吨,生活污水约1560万吨,各种工业废渣约29万吨,生活垃圾33万吨,煤渣38万吨。这些污染物质的输入,使得胶州湾环境质最恶化,部分滩涂严霓污染.生态平衡遭到破坏,水质逐年下降。
Jiaozhou Bay is half a closed bay, with a total area of 423km2, the coastline of 163km. Bay is rich in fish and shrimp, shellfish and other aquatic products, is a natural fishing grounds and farms. First, the status of pollution With the development of cities and industries, industrial waste and municipal sewage, garbage and other large quantities into the Jiaozhou Bay. There are more than 20 direct sewers and estuaries directly to the east coast of the Gulf. According to incomplete statistics, there are about 73 million tons of industrial waste water entering Jiaozhou Bay each year, about 15.6 million tons of domestic sewage, about 290,000 tons of industrial waste, 330,000 tons of domestic waste and 380,000 tons of cinder. The input of these pollutants made the environment of Jiaozhou Bay the most deteriorated and some of the beaches were polluted by Yan Ni. The ecological balance was destroyed and the water quality declined year by year.