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Open AccessArticle

Spatio-Temporal Pattern of Land Degradation along the China-Mongolia Railway (Mongolia)

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State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
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Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, Nanjing 210023, China
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School of Civil and Architectural Engineering, Shandong University of Technology, Zibo 255049, China
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College of Geoscience and Surveying Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
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Department of Environment and Forest Engineering, National University of Mongolia, Ulaanbaatar 210646, Mongolia
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Department of Geography, National University of Mongolia, Ulaanbaatar 14201, Mongolia
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Information and Research Institute of Meteorology, Hydrology and Environment, Ulaanbaatar 15160, Mongolia
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Author to whom correspondence should be addressed.
Sustainability 2019, 11(9), 2705; https://doi.org/10.3390/su11092705
Received: 18 March 2019 / Revised: 4 May 2019 / Accepted: 7 May 2019 / Published: 13 May 2019
The increasingly serious problem of land degradation has a direct impact on the ecosystem and sustainable development in Mongolia. The influence of land degradation on the main China–Mongolia–Russia traffic arteries is currently unclear and poses a risk to the construction of transportation infrastructure. In this study, for the first time, we obtained land cover data from 1990, 2010, and 2015, at a 30 m, resolution based on the Landsat Thematic Mapper (TM) and Landsat Operational Land Imager (OLI) images along the China–Mongolia railway (Mongolia section). We then analyzed the change in the obtained land cover data using the geographic information system (GIS) spatial analysis technology to obtain the land pattern and development trend of this region. Results showed that the newly-increased degraded land was distributed mainly in the center of the region and tended to expand northward. The joint effect of natural and socioeconomic factors resulted in land degradation. We speculated that the significant temperature fluctuation and the decrease in rainfall were the inducing factors. Population migration, overgrazing, infrastructure construction, unreasonable mineral exploitation, and rapid urbanization aggravate the degree of land degradation. It is thus necessary to use a broader view to observe patterns of desertification and variations in regions along the Railway facing its sustainable development. View Full-Text
Keywords: land degradation pattern; remote sensing; monitoring; driving force land degradation pattern; remote sensing; monitoring; driving force
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Wang, J.; Wei, H.; Cheng, K.; Li, G.; Ochir, A.; Bian, L.; Davaasuren, D.; Chonokhuu, S.; Nasanbat, E. Spatio-Temporal Pattern of Land Degradation along the China-Mongolia Railway (Mongolia). Sustainability 2019, 11, 2705.

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