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Int. J. Environ. Res. Public Health 2018, 15(1), 51; https://doi.org/10.3390/ijerph15010051

Influence of Land Use and Point Source Pollution on Water Quality in a Developed Region: A Case Study in Shunde, China

1
State Key Laboratory for Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Haidian District, Beijing 100085, China
2
University of Chinese Academy of Sciences, Beijing 100049, China
3
Institute of Hydrogeology and Environmental Geology, Chinese Academy of Geological Sciences, Shijiazhuang 050061, China
*
Author to whom correspondence should be addressed.
Received: 28 November 2017 / Revised: 21 December 2017 / Accepted: 27 December 2017 / Published: 30 December 2017
(This article belongs to the Section Environmental Health)
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Abstract

To design and implement policy to manage water quality, it is important to investigate land use and possible sources of pollution. In this study, using Pearson regression analysis, redundancy analysis and multiple regression analysis, we assess the influence of land use and point sources on water quality in the river system in Shunde district in 2000 and 2010. The results show that water quality was related positively with water surface but negatively with impervious and urban greening area. Additionally, water quality was related negatively to point source emissions of chemical oxygen demand (COD) and ammonium-nitrogen (NH4-N). The total explanatory power of spatial variation of water quality was improved from 43.4% to 60.0% in 2000 and from 31.3% to 57.8% in 2010, respectively, when the influence of point sources was added into redundancy analysis between water quality and land use. Thus, both land use management and point source pollution control should be considered for improving river water quality. View Full-Text
Keywords: water quality; land use; point source of pollution; Shunde water quality; land use; point source of pollution; Shunde
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Bo, W.; Wang, X.; Zhang, Q.; Xiao, Y.; Ouyang, Z. Influence of Land Use and Point Source Pollution on Water Quality in a Developed Region: A Case Study in Shunde, China. Int. J. Environ. Res. Public Health 2018, 15, 51.

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