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Assessing the Ecological Effects of Water Transport to a Lake in Arid Regions: A Case Study of Qingtu Lake in Shiyang River Basin, Northwest China

Author

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  • Xunzhou Chunyu

    (State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China
    College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China)

  • Feng Huang

    (State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China
    College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China)

  • Ziqiang Xia

    (State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China
    College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China)

  • Danrong Zhang

    (State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China
    College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China)

  • Xi Chen

    (College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China
    Institute of Surface-Earth System Science, Tianjin University, Tianjin 300072, China)

  • Yongyu Xie

    (State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China)

Abstract

With the continuous growth of economic water consumption in arid regions, many endorheic rivers and terminal lakes have desiccated. As an important ecological engineering measure, water transport in arid regions has vital ecological significance for protecting the regional ecological environment and delaying desertification. In this study, Qingtu Lake, the terminal lake of Shiyang River, was selected to analyze the ecological effects of water transport by means of remote sensing interpretations and current year field investigations. The results demonstrated that, in July 2018, the water surface had formed and recovered to 5.68 km 2 . Additionally, Qingtu Lake formed a spatial gradient distribution in groundwater depth. The depth increased in gradient from the waterside to the desert edge. There was a significant increase in the overall regional vegetation coverage, which mainly occurred in the water areas because of the extensive growth in Phragmites australis , which reached 10.54 km 2 in area in 2018. Furthermore, the regional vegetation formed a gradient distribution, which transitioned from hygrophytes to xerophytes. This study can provide guidelines for the protection and restoration of lakes in arid regions.

Suggested Citation

  • Xunzhou Chunyu & Feng Huang & Ziqiang Xia & Danrong Zhang & Xi Chen & Yongyu Xie, 2019. "Assessing the Ecological Effects of Water Transport to a Lake in Arid Regions: A Case Study of Qingtu Lake in Shiyang River Basin, Northwest China," IJERPH, MDPI, vol. 16(1), pages 1-14, January.
    • Handle: RePEc:gam:jijerp:v:16:y:2019:i:1:p:145-:d:195520
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    Citations

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    Cited by:

    1. Yan Nie & Chen Yin & Pu Wang & Xingying He & Junjun Cao & Jing Yu, 2022. "Temporal and Spatial Evolution of Eichmann Lake Wetland in Aksu River Basin and Its Response to Ecological Water Supply," IJERPH, MDPI, vol. 20(1), pages 1-15, December.
    2. Le Cao & Xuequan Liu & Pucheng Zhu & Lifang Wang, 2024. "The Distribution and Evolution of Groundwater Level Depths and Groundwater Sustainability in the Hexi Corridor over the Last Five Years," Sustainability, MDPI, vol. 16(6), pages 1-17, March.
    3. Feng Huang & Danrong Zhang & Xi Chen, 2019. "Vegetation Response to Groundwater Variation in Arid Environments: Visualization of Research Evolution, Synthesis of Response Types, and Estimation of Groundwater Threshold," IJERPH, MDPI, vol. 16(10), pages 1-15, May.
    4. Qin Ma & Xiaojun Yao & Cong Zhang & Chen Yang & Kang Yang & Zhijuan Tian & Jiawei Li, 2023. "Spatio-Temporal Dynamics of Terminal Lakes in the Hexi Interior, China," Sustainability, MDPI, vol. 16(1), pages 1-18, December.

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