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Comparative Assessment of the Spatiotemporal Dynamics and Driving Forces of Natural and Constructed Wetlands in Arid and Semiarid Areas of Northern China

Author

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  • Jian Zhang

    (College of Geography and Environmental Science, Northwest Normal University, Lanzhou 730070, China
    These authors contributed equally to this work.)

  • Yao Qin

    (College of Geography and Environmental Science, Northwest Normal University, Lanzhou 730070, China
    These authors contributed equally to this work.)

  • Yuxuan Zhang

    (College of Geography and Environmental Science, Northwest Normal University, Lanzhou 730070, China)

  • Xin Lu

    (College of Geography and Environmental Science, Northwest Normal University, Lanzhou 730070, China)

  • Jianjun Cao

    (College of Geography and Environmental Science, Northwest Normal University, Lanzhou 730070, China)

Abstract

Arid and semiarid wetlands, the core geographical unit of desert oases, significantly benefit and improve the ecological environment. In this study, we systematically compared the spatiotemporal dynamics and driving forces of natural and constructed wetlands in arid and semiarid regions of northern China from 1995 to 2019. For these comparisons, we utilized a land-use transition matrix, partial least-squares–structural equation model (PLS-SEM), and geographically weighted regression (GWR) model. The results showed that (1) the area of wetlands as a whole showed an upward trend, with natural and constructed wetlands increasing by 4.16% and 11.86%, respectively. The increases mainly resulted from conversions of grassland and other lands (shrub, sparse vegetation, and bare land). (2) The direct dominant factors that drove natural wetland changes were soil and terrain, while those that drove constructed wetlands were human disturbances. Human disturbance, by affecting soil, had a higher significant indirect effect on natural wetlands. Heat, by affecting moisture, had the greatest indirect effect on constructed wetlands. (3) The sensitivity of natural and constructed wetlands to the responses of different drivers showed significant spatial heterogeneity. This study explores the interaction and driving mechanisms of human and natural attributes on natural and constructed wetlands and provides a scientific foundation for the restoration and sustainable development of wetlands in arid and semiarid areas.

Suggested Citation

  • Jian Zhang & Yao Qin & Yuxuan Zhang & Xin Lu & Jianjun Cao, 2023. "Comparative Assessment of the Spatiotemporal Dynamics and Driving Forces of Natural and Constructed Wetlands in Arid and Semiarid Areas of Northern China," Land, MDPI, vol. 12(11), pages 1-19, October.
    • Handle: RePEc:gam:jlands:v:12:y:2023:i:11:p:1980-:d:1268213
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    References listed on IDEAS

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    1. Yihao Zhang & Jianzhong Yan & Xian Cheng & Xinjun He, 2021. "Wetland Changes and Their Relation to Climate Change in the Pumqu Basin, Tibetan Plateau," IJERPH, MDPI, vol. 18(5), pages 1-24, March.
    2. Etienne Fluet-Chouinard & Benjamin D. Stocker & Zhen Zhang & Avni Malhotra & Joe R. Melton & Benjamin Poulter & Jed O. Kaplan & Kees Klein Goldewijk & Stefan Siebert & Tatiana Minayeva & Gustaf Hugeli, 2023. "Extensive global wetland loss over the past three centuries," Nature, Nature, vol. 614(7947), pages 281-286, February.
    3. Liang Chen & Zhuguo Ma & Tianbao Zhao, 2017. "Modeling and analysis of the potential impacts on regional climate due to vegetation degradation over arid and semi-arid regions of China," Climatic Change, Springer, vol. 144(3), pages 461-473, October.
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