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Ecological Impacts Associated with the Qinghai–Tibet Railway and Its Influencing Factors: A Comparison Study on Diversified Research Units

Author

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  • Lili Zhang

    (Faculty of Geographical Sciences, Beijing Normal University, Beijing 100875, China)

  • Yi Miao

    (College of Geography and Environment, Shandong Normal University, Jinan 250061, China)

  • Haoxuan Wei

    (College of Geography and Environment, Shandong Normal University, Jinan 250061, China)

  • Teqi Dai

    (Faculty of Geographical Sciences, Beijing Normal University, Beijing 100875, China)

Abstract

The ecological impacts of the construction and operation of the main transport infrastructure on the Qinghai–Tibet Plateau cannot be disregarded. Based on different sections, buffers, bilateral sides, and periods, the authors of this study explored the ecological changes along the Qinghai–Tibet Railway through an integrated analysis of the landscape fragmentation index and ecological service value calculation from 2000 to 2020, as well as the influencing factors of differentiated trends, using multinomial logistic regression. It was discovered that there was heterogeneity among the sections, buffers, and bilateral sides in both the landscape fragmentation index and the ecological service value. It was also found that there was recoverability in the operation period, compared to the construction period. The negative correlation between the landscape fragmentation index and the ecological service value was only significant in 2020, which was not enough to fully explain the negative effect between them. Distinct human and natural circumstances have resulted in different consequences. However, regions far away from the main settlement areas, and with lower population densities, could aid in the simultaneous recovery of the ecological service value and landscape fragmentation index. According to these findings, prior studies may have exaggerated the ecological impact of the Qinghai–Tibet Railway. However, it should be highlighted that, in a location with a delicate ecological environment, it is still crucial to consider regional development, infrastructure construction, and ecological protection synchronously.

Suggested Citation

  • Lili Zhang & Yi Miao & Haoxuan Wei & Teqi Dai, 2023. "Ecological Impacts Associated with the Qinghai–Tibet Railway and Its Influencing Factors: A Comparison Study on Diversified Research Units," IJERPH, MDPI, vol. 20(5), pages 1-16, February.
    • Handle: RePEc:gam:jijerp:v:20:y:2023:i:5:p:4154-:d:1080574
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    References listed on IDEAS

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    1. Ti Luo & Ronghui Tan & Xuesong Kong & Jincheng Zhou, 2019. "Analysis of the Driving Forces of Urban Expansion Based on a Modified Logistic Regression Model: A Case Study of Wuhan City, Central China," Sustainability, MDPI, vol. 11(8), pages 1-21, April.
    2. Gao, Deng & Li, Shicheng, 2022. "Spatiotemporal impact of railway network in the Qinghai-Tibet Plateau on accessibility and economic linkages during 1984–2030," Journal of Transport Geography, Elsevier, vol. 100(C).
    3. Yeqing Cheng & Yan Chen & Bing Xue & Jinping Zhang, 2021. "Regional Differentiation and Influencing Factor Analysis of Residents’ Psychological Status during the Early Stage of the COVID-19 Pandemic in South China," IJERPH, MDPI, vol. 18(22), pages 1-19, November.
    4. Xingchuan Gao & Tao Li & Xiaoshu Cao, 2019. "Spatial Fairness and Changes in Transport Infrastructure in the Qinghai-Tibet Plateau Area from 1976 to 2016," Sustainability, MDPI, vol. 11(3), pages 1-16, January.
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