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Spatial and Temporal Variation Characteristics of Ecological Environment Quality in China from 2002 to 2019 and Influencing Factors

Author

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  • Junjie Li

    (College of Art and Design, Nanjing Forestry University, Nanjing 210037, China)

  • Xiangbin Peng

    (College of Art and Design, Nanjing Forestry University, Nanjing 210037, China)

  • Ruomei Tang

    (College of Art and Design, Nanjing Forestry University, Nanjing 210037, China)

  • Jing Geng

    (Academician Workstation of Zhai Mingguo, University of Sanya, Sanya 572022, China)

  • Zipeng Zhang

    (College of Geographical and Remote Sciences, Xinjiang University, Urumqi 830017, China)

  • Dong Xu

    (State Key Laboratory of Remote Sensing Science, Beijing Normal University, Beijing 100091, China)

  • Tingting Bai

    (School of Business Administration, Northeastern University, Shenyang 110189, China)

Abstract

Since the beginning of the new century, there has been a notable enhancement in China’s ecological environment quality (EEQ), a development occurring in tandem with climate change and the extensive ecological restoration projects (ERPs) undertaken in the country. However, comprehensive insights into the spatial and temporal characteristics of China’s EEQ, and its responses to both climate change and human activities over the past two decades, have remained largely elusive. In this study, we harnessed a combination of multi-source remote-sensing data and reanalysis data. We employed Theil–Sen median trend analysis, multivariate regression residual analysis, and the Hurst index to examine the impacts and changing patterns of climatic factors and human activities on China’s EEQ during the past two decades. Furthermore, we endeavored to forecast the future trajectory of EEQ. Our findings underscore a significant improvement in EEQ across most regions of China between 2002 and 2019, with the most pronounced enhancements observed in the Loess Plateau, Northeast China, and South China. This transformation can be attributed to the combined influence of climatic factors and human activities, which jointly accounted for alterations in EEQ across 78.25% of China’s geographical expanse. Human activities (HA) contributed 3.93% to these changes, while climatic factors (CC) contributed 17.79%. Additionally, our projections indicate that EEQ is poised to continue improving in 56.70% of China’s territory in the foreseeable future. However, the Loess Plateau, Tarim Basin, and Inner Mongolia Plateau are anticipated to experience a declining trend. Consequently, within the context of global climate change, the judicious management of human activities emerges as a critical imperative for maintaining EEQ in China. This study, bridging existing gaps in the literature, furnishes a scientific foundation for comprehending the evolving dynamics of EEQ in China and informs the optimization of management policies in this domain.

Suggested Citation

  • Junjie Li & Xiangbin Peng & Ruomei Tang & Jing Geng & Zipeng Zhang & Dong Xu & Tingting Bai, 2024. "Spatial and Temporal Variation Characteristics of Ecological Environment Quality in China from 2002 to 2019 and Influencing Factors," Land, MDPI, vol. 13(1), pages 1-24, January.
    • Handle: RePEc:gam:jlands:v:13:y:2024:i:1:p:110-:d:1322724
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    References listed on IDEAS

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    1. Zhang, Junze & Mengting, Luo & Hui, Yue & Xiyun, Chen & Chong, Feng, 2018. "Critical thresholds in ecological restoration to achieve optimal ecosystem services: An analysis based on forest ecosystem restoration projects in China," Land Use Policy, Elsevier, vol. 76(C), pages 675-678.
    2. Jingjing Zhang & Partha Gangopadhyay, 2015. "Dynamics of environmental quality and economic development: the regional experience from Yangtze River Delta of China," Applied Economics, Taylor & Francis Journals, vol. 47(29), pages 3113-3123, June.
    3. Wanping Yang & Jinkai Zhao, 2020. "Study On China’S Economic Development From The Perspective Of Strong Sustainability," The Singapore Economic Review (SER), World Scientific Publishing Co. Pte. Ltd., vol. 65(01), pages 161-192, March.
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