Journal
SCIENTIFIC REPORTS
Volume 12, Issue 1, Pages -Publisher
NATURE PORTFOLIO
DOI: 10.1038/s41598-022-08788-8
Keywords
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Funding
- Branch of China Road and Bridge Corporation (Cambodia) Technology Development Project [2020-zlkj-04]
- National Social Science Fund Projects [20BJY010]
- National Social Science Fund Post-financing Projects [19FJYB017]
- Sichuan-Tibet Railway Major Fundamental Science Problems Special Fund [71942006]
- Qinghai Natural Science Foundation [2020-JY-736]
- List of Key Science and Technology Projects in China's Transportation Industry in 2018-International Science and Technology Cooperation Project [2018-GH-006, 2019-MS5-100]
- Emerging Engineering Education Research and Practice Project of Ministry of Education of China [E-GKRWJC20202914]
- Shaanxi Social Science Fund [2017S004]
- Xi'an Construction Science and Technology Planning Project [SZJJ201915, SZJJ201916]
- Shaanxi Province Higher Education Teaching Reform Project [19BZ016]
- Fundamental Research for Funds for the Central Universities (Humanities and Social Sciences), Chang'an University [300102239616, 300102281669, 300102231641]
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This research proposes a landscape ecological risk analysis model for high-altitude plateaus and applies it to a highway project in the Chinese Tibet autonomous region. The study reveals the spatial heterogeneity of ecological risks and explores mitigation strategies. This research is important for construction practitioners and future empirical studies in environmental engineering.
In China and other countries, many highway projects are built in extensive and high-altitude flat areas called plateaus. However, research on how the materialisation of these projects produce a series of ecological risks in the landscape is very limited. In this research, a landscape ecological risk analysis model for high-altitude plateaus is proposed. This model is based on the pattern of land uses of the surrounding area. Our study includes buffer analysis, spatial analysis, and geostatistical analysis. We apply the model to the Qumei to Gangba highway, a highway section located in the southeast city of Shigatse at the Chinese Tibet autonomous region. Through global and local spatial autocorrelation analysis, the spatial clustering distribution of ecological risks is also explored. Overall, our study reveals the spatial heterogeneity of ecological risks and how to better mitigate them. According to a comparison of the risk changes in two stages (before and after the highway construction), the impact of highway construction on the ecological environment can be comprehensively quantified. This research will be of interest to construction practitioners seeking to minimize the impact of highway construction projects on the ecological environment. It will also inform future empirical studies in the area of environmental engineering with potential affection to the landscape in high-altitude plateaus.
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