论文部分内容阅读
近年来 ,由于沿海水域受到陆源污染物的严重污染 ,水质的富营养化程度越来越大 ,海水变化莫测 ,生态环境受到破坏 ,使得近海水域赤潮连年发生 ,发生时间、频率和范围逐年增加 ,危害极大 ,特别是进入雨季 .天津市的永定新河、潮白河、蓟运河等大量排污、排淡 ,加上虾池自身排出
In recent years, due to the serious pollution of terrestrial waters by terrestrial pollutants, the eutrophication of water quality is more and more serious. The unpredictable sea water and the destruction of the ecological environment make the red tides in the coastal waters happen year after year, and the time, frequency and range of them increase year by year , Great harm, especially into the rainy season .Tianjin Yongding New River, Chaobaihe, Jiyunhe and a large number of sewage, exhaust row, together with the shrimp pond discharge itself