Influence of Ecological Restoration of Riparian Zone on Water Quality of Zhuanhe River in Beijing
北京转河河岸带生态修复对河流水质的影响

The ecological effects of restoration of flood lands and banks in the Zhuanhe River of Beijing are discussed.From July to September in 2009,water samples were periodically collected in the 13 chosen sample sites,and the concentrations of nutrients and dissolved oxygen(DO) were measured and analyzed.The results showed that there were obvious seasonal variations in the concentrations of ammonia nitrogen(NH 4+-N),nitrate nitrogen(NO 3--N),total phosphorus(TP),and DO in the Zhuanhe River.The increase of domesti...