Analysis of Spatial and Temporal Patterns of Soil Erosion in the Yunnan–Guizhou Plateau during 2000–2030

Jiahui Guo, Xiaohuang Liu (), Jiufen Liu, Wenbo Zhang, Chaolei Yang, Liyuan Xing, Hongyu Li, Xinping Luo, Ran Wang, Zulpiya Mamat, Chao Wang and Honghui Zhao
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Jiahui Guo: Key Laboratory of Natural Resource Coupling Process and Effects Ministry of Natural Resources, Beijing 100055, China
Xiaohuang Liu: Key Laboratory of Natural Resource Coupling Process and Effects Ministry of Natural Resources, Beijing 100055, China
Jiufen Liu: Key Laboratory of Natural Resource Coupling Process and Effects Ministry of Natural Resources, Beijing 100055, China
Wenbo Zhang: Key Laboratory of Natural Resource Coupling Process and Effects Ministry of Natural Resources, Beijing 100055, China
Chaolei Yang: Yunnan Province Field Science Observation and Research Station on the Evolution of Soil and Water Resources and the Carbon Sequestration Enhancement Effects in the Alpine Gorge Area of the Jinsha River, Chuxiong 651400, China
Liyuan Xing: Key Laboratory of Natural Resource Coupling Process and Effects Ministry of Natural Resources, Beijing 100055, China
Hongyu Li: Key Laboratory of Natural Resource Coupling Process and Effects Ministry of Natural Resources, Beijing 100055, China
Xinping Luo: Key Laboratory of Natural Resource Coupling Process and Effects Ministry of Natural Resources, Beijing 100055, China
Ran Wang: Key Laboratory of Natural Resource Coupling Process and Effects Ministry of Natural Resources, Beijing 100055, China
Zulpiya Mamat: College of Geography and Remote Sensing Sciences, Xinjiang University, Ürümqi 830049, China
Chao Wang: Key Laboratory of Natural Resource Coupling Process and Effects Ministry of Natural Resources, Beijing 100055, China
Honghui Zhao: Key Laboratory of Natural Resource Coupling Process and Effects Ministry of Natural Resources, Beijing 100055, China

Sustainability, 2024, vol. 16, issue 17, 1-20

Abstract: The assessment of soil erosion in a region can provide an effective reference for local ecological environment management. The Yunnan–Guizhou Plateau54 is an important ecological security barrier in southwest China, owing to its unique climatic and environmental characteristics and superior natural resource endowment. The current research focus is the spatial analysis of a certain area. In this study, soil erosion in the Yunnan–Guizhou Plateau during 2000–2030 was analyzed and predicted from two aspects of structure and spatial layout by coupling several models. The report also analyzes the shift in the center of gravity of land use and analyzes the drivers of soil erosion, analyzing soil erosion by land use type. The study shows a decreasing trend in the soil erosion modulus from 2000 to 2020 from 1183.69 to 704.58 t·hm −2 ·a −1 , but it is expected to have an increasing trend in the future and will increase to 877.72 t·hm −2 ·a −1 . Analyzing the drivers of soil erosion allows for testing whether the factor affects the spatial distribution of the independent variable and to what extent it explains that dependent variable. This study showed that elevation had the highest explanatory power for soil erosion. Relatively high mountainous areas are often subject to greater soil erosion due to their steep topography, resulting in poorer vegetation cover. The north–south offset distance is greater than the east–west offset distance for forested land, water and unutilized land, and the east–west offset distance is greater than the north–south offset distance for cropland, grassland and built-up land in the Yunnan–Guizhou Plateau. The purpose of this study is to identify areas of serious soil erosion vulnerability in the Yunnan–Guizhou Plateau, and to analyze the driving factors affecting soil erosion vulnerability, so as to provide a basis for regional soil erosion management, and, at the same time, to provide a reference for the government to formulate soil and water conservation measures.

Keywords: RULSE model; PLUS model; the geographical detator; displacement of center of gravity; time and space evolution (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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