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The Impacts of Spatiotemporal Landscape Changes on Water Quality in Shenzhen, China

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  • Zhenhuan Liu

    (Guangdong Provincial Key Laboratory of Urbanization and Geo-simulation, School of Geography and Planning, Sun Yat-sen University, Guangzhou 510275, China)

  • Haiyan Yang

    (College of Water Conservancy and Civil Engineering, South China Agricultural University, Guangzhou 510642, China)

Abstract

The urban landscape in China has changed rapidly over the past four decades, which has led to various environmental consequences, such as water quality degradation at the regional scale. To improve water restoration strategies and policies, this study assessed the relationship between water quality and landscape change in Shenzhen, China, using panel regression analysis. The results show that decreases in natural and semi-natural landscape compositions have had significant negative effects on water quality. Landscape composition and configuration changes accounted for 39–58% of the variation in regional water quality degradation. Additionally, landscape fragmentation indices, such as patch density (PD) and the number of patches (NP), are important indicators of the drivers of water quality degradation. PD accounted for 2.03–5.44% of the variability in water quality, while NP accounted for −1.63% to −4.98% of the variability. These results indicate that reducing landscape fragmentation and enhancing natural landscape composition at the watershed scale are vital to improving regional water quality. The study findings suggest that urban landscape optimization is a promising strategy for mitigating urban water quality degradation, and the results can be used in policy making for the sustainable development of the hydrological environment in rapidly urbanizing areas.

Suggested Citation

  • Zhenhuan Liu & Haiyan Yang, 2018. "The Impacts of Spatiotemporal Landscape Changes on Water Quality in Shenzhen, China," IJERPH, MDPI, vol. 15(5), pages 1-14, May.
    • Handle: RePEc:gam:jijerp:v:15:y:2018:i:5:p:1038-:d:148326
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    References listed on IDEAS

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    1. Xiang Chen & Weiqi Zhou & Steward T. A. Pickett & Weifeng Li & Lijian Han, 2016. "Spatial-Temporal Variations of Water Quality and Its Relationship to Land Use and Land Cover in Beijing, China," IJERPH, MDPI, vol. 13(5), pages 1-17, April.
    2. Hua-peng Qin & Qiong Su & Soon-Thiam Khu & Nv Tang, 2014. "Water Quality Changes during Rapid Urbanization in the Shenzhen River Catchment: An Integrated View of Socio-Economic and Infrastructure Development," Sustainability, MDPI, vol. 6(10), pages 1-19, October.
    3. Huapeng Qin & Jingjing Jiang & Guangtao Fu & Ying Zheng, 2013. "Optimal Water Quality Management Considering Spatial and Temporal Variations in a Tidal River," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 27(3), pages 843-858, February.
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    Cited by:

    1. Mehdi Aalipour & Naicheng Wu & Nicola Fohrer & Yusef Kianpoor Kalkhajeh & Bahman Jabbarian Amiri, 2023. "Examining the Influence of Landscape Patch Shapes on River Water Quality," Land, MDPI, vol. 12(5), pages 1-15, May.
    2. Adam Khalifa Mohamed & Dan Liu & Kai Song & Mohamed A. A. Mohamed & Elsiddig Aldaw & Basheer A. Elubid, 2019. "Hydrochemical Analysis and Fuzzy Logic Method for Evaluation of Groundwater Quality in the North Chengdu Plain, China," IJERPH, MDPI, vol. 16(3), pages 1-21, January.

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