CAJ | 학술논문

为了更科学地监测水质，解决水质理化分析的片面性，在柳江的不同水功能区设置实验点，以构建河水质的多指标评价体系。通过不同水功能区及不同水质等级的实验点的对应分析，认定 AMIN，GOLI，DDEL，AMSA， ACLI，NAAN，NRHY 等是柳江河流清洁种，菱形藻和端泥生藻是柳江耐污种。典型对应分析表明，河流水质参数是影响硅藻群落分布的主要因素，硝酸盐、氯化物、粪大肠杆菌群和总磷等是主要的变量，因子分析的结果亦表明理化参数是主要变量。研究结果表明，理化变量与硅藻指数 IPS，IBD，TID，IDG，SLA 的关系紧密，依据水功能区长期水质级别并参考水质参数聚类与硅藻种群聚类，划出3组水质不同的类别，IPS，IBD，CEE 硅藻指数对该3组水质状况判别效果较好，而硅藻生物多样性指数不适宜评价柳江河流水质。河流水质及生态质量利用 IBD 和 IPS 生物指数、VAN 类群划分富营养种百分比及理化参数多指标共同评价，可以提高评价结果的可靠度。
위료경과학지감측수질，해결수질이화분석적편면성，재류강적불동수공능구설치실험점，이구건하수질적다지표평개체계。통과불동수공능구급불동수질등급적실험점적대응분석，인정 AMIN，GOLI，DDEL，AMSA， ACLI，NAAN，NRHY 등시류강하류청길충，릉형조화단니생조시류강내오충。전형대응분석표명，하류수질삼수시영향규조군락분포적주요인소，초산염、록화물、분대장간균군화총린등시주요적변량，인자분석적결과역표명이화삼수시주요변량。연구결과표명，이화변량여규조지수 IPS，IBD，TID，IDG，SLA 적관계긴밀，의거수공능구장기수질급별병삼고수질삼수취류여규조충군취류，화출3조수질불동적유별，IPS，IBD，CEE 규조지수대해3조수질상황판별효과교호，이규조생물다양성지수불괄의평개류강하류수질。하류수질급생태질량이용 IBD 화 IPS 생물지수、VAN 류군화분부영양충백분비급이화삼수다지표공동평개，가이제고평개결과적가고도。
Experiment points were set up in Liujiang river and a multi-index system of diatom is built up in order to effectively monitor water quality and improve physicochemical analysis.According to the results of correspondence analysis in different water functional zones of different water quality,AMIN,GOLI,DDEL,AMSA,ACLI,NAAN and NRHY are classified as clean species in the Liujiang river whereas Nitzschia and Luticola are stain species.Ca-nonical correspondence analysis shows that the river water quality parameters are the main factors affecting the dis-tribution of diatom communities.Nitrates,chlorides,total number of Fecal coliform and total phosphorus are the main variables,and physicochemical parameters are main variables based on the results of factor analysis.The re-sults show that physicochemical variables are closely related with diatom indices IPS,IBD,TID,IDG and SLA.Ac-cording to the water quality level from long-term monitoring and the data about clustering of water quality parameters and diatoms population,they are classified into three different water quality categories.IPS,IBD and CEE work well on the evaluation of water quality of the three categories while the diatom’s bio-diversity index are unsuitable for the evaluation.Through biological indices IBD and IPS,and VAN groups to divide eutrophic species percenta-ges and physicochemical parameters,multi-index evaluation can be used to evaluate the quality of river water and ecological quality in order to improve the reliability of the evaluation.