摘要
通过对大凌河朝阳段5个采样点9个样本的底栖动物监测分析,检出底栖动物59种,采用BI指数进行水质评价。调查结果表明,大凌河南大桥及上游河段为清洁,市区段下游为轻污染至中污染。
Through monitoring 9 benthic animals samples of 5 sites in Chaoyang section of Daling River, 59 kinds of benthic animals were detected. BI index water quality assessment showed, Daling Henan Bridge and upper reaches were clean, and urban segment downstreams were between light pollution and moderate pollution.
出处
《环境保护与循环经济》
2012年第3期66-68,75,共4页
environmental protection and circular economy
关键词
大凌河朝阳段
底栖动物
BI指数
水质评价
Chaoyang Section of Daling River
benthic animals
BI index
water quality assessment
