CAJ | 학술논문

对捞鱼河水质进行监测，结果表明：捞鱼河的水质现状为Ⅳ类，捞鱼河为城乡偏农村型河流，流经农村部分河流水质优于Ⅳ类，而经过城市河段水体污染较严重；采用综合污染指数评价捞鱼河水质受污染（1＜P＜2），且处于有机污染状态；捞鱼河TP、TN 2005—2013年的变化趋势主要受流域内农业面源污染的影响，TP含量在2005—2009年基本稳定在Ⅳ类，之后上升至Ⅴ类，TN 一直超出Ⅴ类标准值，但受到滇池流域磷治理措施的积极影响，总氮、总磷均有所下降，并且TP控制效果较好。
대로어하수질진행감측，결과표명：로어하적수질현상위Ⅳ류，로어하위성향편농촌형하류，류경농촌부분하류수질우우Ⅳ류，이경과성시하단수체오염교엄중；채용종합오염지수평개로어하수질수오염（1＜P＜2），차처우유궤오염상태；로어하TP、TN 2005—2013년적변화추세주요수류역내농업면원오염적영향，TP함량재2005—2009년기본은정재Ⅳ류，지후상승지Ⅴ류，TN 일직초출Ⅴ류표준치，단수도전지류역린치리조시적적겁영향，총담、총린균유소하강，병차TP공제효과교호。
As one of the inflowing rivers into Lake Dianchi,the water quality of Laoyu River directly affects the ec-ological health and environmental safety of the lake.This paper focused on the water quality assessment of Laoyu River based onits monitoring data.The results showed that the present water quality of the riverreached theⅣclass of national water quality standard.Laoyu River flows through both urban and rural area of Kunming.The section of river flows through the rural part could meet the standard ofⅣclass.While the pollution of the river became more serious after it flows through the urban area.The comprehensive pollution index of Laoyu River was 1 <P<2.And it presented a state of organic pollution.The changes of TP and TN in 2005 -2013 were closely related to the main agricultural non-point source pollution in the river basin.The concentration of TP in 2005 -2009 wasⅣ class and rose to Ⅴ after 2009.The concentration of TN has been beyond Ⅴclass standard.Both TN and TP have decreased in recent year for the phosphorus management measure in the Dianchi lake watershed.In addition, the measures showed a better effect on TP.