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[1]ZHANG Xinsheng,CAI Mingyong,TAI Wenfei,et al.Research on the Spatial Variation of Ecological Disturbance Risk of the Qinling Belt in Shaanxi Province[J].Research of Soil and Water Conservation,2023,30(04):115-121,129.[doi:10.13869/j.cnki.rswc.2023.04.053.]

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Research on the Spatial Variation of Ecological Disturbance Risk of the Qinling Belt in Shaanxi Province

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 30 Number of periods: 2023 04 Page number: 115-121,129 Column: Public date: 2023-06-10

Title:: Research on the Spatial Variation of Ecological Disturbance Risk of the Qinling Belt in Shaanxi Province

Author(s):: ZHANG Xinsheng, CAI Mingyong, TAI Wenfei, CHEN Xuhui, SHI Xuewei; (Center for Satellite Application on Ecology and Environment, Ministry of Ecology and Environment, Beijing 100094, China)

Keywords:: risk of ecological disturbance; ecological conservation redline; Qinling belt(Shaanxi section)

CLC:: X826

DOI:: 10.13869/j.cnki.rswc.2023.04.053.

Abstract:: [Objective] Revealing the spatial distribution patterns of ecological risks in the Qinling region under different natural ecological conditions, resource and environmental endowments and human disturbance intensity is of great theoretical significance for ecological protection in the Qinling region. [Methods] The Qinling belt(Shaanxi section)was taken as the study area. The indicator system and evaluation model of ecological disturbance risk were constructed by using 14 factors including slope, vegetation coverage, land use type, and ecological space type and so on. Based on the analytic hierarchy process(AHP)and geographical information system(GIS)spatial analysis function, the indicator system and evaluation model of ecological disturbance risk were constructed. The study on the spatial variation of ecological disturbance risk in the Qinling belt(Shaanxi section)was carried out. [Results] There was significant spatial heterogeneity in ecological disturbance risk in the Qinling belt(Shaanxi section), with an overall distribution pattern of ‘high in the north-low in the south-middle in the south'. The areas with high and relatively high ecological disturbance risk were mainly located at the northern foot of the Qinling Mountain and parts of the Hanbin District, Hantai District and Chenggu County. Low risk, relatively low risk, medium risk to relatively high risk and high risk accounted for 26.46%, 42.44%, 19.92%, 8.62% and 2.56%, respectively. It was found that human activities relatively concentrated in the Qinling belt(Shaanxi section), and the areas with the high and relatively high ecological disturbance risk and 11.18% of the study area concentrated 36.26% of the area of human activities in accounting. An early warning mechanism of ecological disturbance risk for county units was proposed. [Conclusion] The risk of ecological disturbance in the Qinling region of Shaanxi has significant spatial differentiation characteristics, and the overall ecological disturbance risk level is relatively low, the results of the study can provide important reference value for the optimization of human disturbance activity regulation strategy and ecological environmental protection in the Qinling belt.

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Last Update: 2023-06-10