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Temporal and spatial variations of water quality in the Jinshui River of the South Qinling Mts., China

文献类型：期刊论文

作者Bu, Hongmei1,2; Tan, Xiang1,2; Li, Siyue1; Zhang, Quanfa1
刊名ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
出版日期2010-07-01
卷号73期号:5页码:907-913
关键词Water quality Temporal variation Spatial pattern Multivariate statistical techniques
ISSN号0147-6513
DOI10.1016/j.ecoenv.2009.11.007
英文摘要Water pollution has become a growing threat to human society and natural ecosystems in recent decades, increasing the need to better understand the spatial and temporal variabilities of pollutants within aquatic systems. This study sampled water quality at 12 sampling sites from October 2006 to August 2008 in the Jinshui River of the South Qinling Mts., China. Multivariate statistical techniques and gridding methods were used to investigate the temporal and spatial variations of water quality and identify the main pollution factors and sources. Two-way analysis of variance (ANOVA) showed that 25 studied water quality variables had significant temporal differences (p < 0.01) and spatial variability (p < 0.01). Using cluster analysis, the 12 sampling sites were classified into three pollution level groups (no pollution, moderate pollution, and high pollution) based on similarity of water quality variables. Factor analysis determined that 80.4% of the total variance was explained by five factors, that is, salinity, trophicity, organic pollution, oxide-related process, and erosion. The gridding methods illustrated that water quality progressively deteriorated from headwater to downstream areas. The analytical results suggested that the water pollution primarily resulted from domestic wastewater and agricultural runoff, and provided critical information for water resource conservation in mountainous watersheds of the South Qinling Mts., China. (C) 2009 Elsevier Inc. All rights reserved.
资助项目Chinese Academy of Sciences[O629221C01] ; National Key Technology R&D Program of China[2006BAC10B020]
WOS研究方向Environmental Sciences & Ecology ; Toxicology
语种英语
WOS记录号WOS:000279623800027
出版者ACADEMIC PRESS INC ELSEVIER SCIENCE
源URL[http://202.127.146.157/handle/2RYDP1HH/941]  
专题中国科学院武汉植物园
通讯作者Zhang, Quanfa
作者单位1.Chinese Acad Sci, Wuhan Bot Garden, Key Lab Aquat Bot & Watershed Ecol, Wuhan 430074, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Bu, Hongmei,Tan, Xiang,Li, Siyue,et al. Temporal and spatial variations of water quality in the Jinshui River of the South Qinling Mts., China[J]. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,2010,73(5):907-913.
APA Bu, Hongmei,Tan, Xiang,Li, Siyue,&Zhang, Quanfa.(2010).Temporal and spatial variations of water quality in the Jinshui River of the South Qinling Mts., China.ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,73(5),907-913.
MLA Bu, Hongmei,et al."Temporal and spatial variations of water quality in the Jinshui River of the South Qinling Mts., China".ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 73.5(2010):907-913.

入库方式： OAI收割

来源：武汉植物园

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