Journal of Jilin University(Earth Science Edition) ›› 2026, Vol. 56 ›› Issue (4): 1382-1396.doi: 10.13278/j.cnki.jjuese.20240182

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Ecological Environment Vulnerability Assessment of Typical Agro-Pastoral Ecotone: A Case Study of Zhangbei County, Zhangjiakou City, Hebei Province

Zhan Xinkai1,2, Yan Baizhong1,2, Yu Yanbo1,2, Tuo Yapeng1,2, Xie Xiandong1,2, Zhai Yanliang3, Zhang Mingrong1,2   

  1. 1. School of Water Resources and Environment, Hebei GEO University, Shijiazhuang 050031, China
    2. Hebei Province Collaborative Innovation Center for Sustainable Utilization of Water Resources and Optimization of Industrial Structure, Hebei GEO University, Shijiazhuang 050031, China
    3. Hebei Key Laboratory of Mountain Geological Environment, Chengde 067000, Hebei，China
  • Received:2024-08-02 Online:2026-07-26 Published:2026-08-11
  • Supported by:
    the National Natural Science Foundation of China (42002251)，the Natural Science Foundation of Hebei Province (D2024403005)，the Special Project for Key Cultivation in Basic Research of Hebei Provincial Department of Education (JCZX2026038)，the On-Campus Confirmation Special Project for Provincial Higher Education Basic Scientific Research Operating Expenses of Hebei GEO University in 2026 (QR26002) and the Open Fund Project of Hebei Key Laboratory of Mountain Geological Environment (HBKLMGE202501)

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Abstract: Zhangbei County, as a typical agricultural and pastoral area, is an important ecological defense line in Northern China. In order to investigate the status and influencing factors of eco-environmental vulnerability in the area and provide a reference for ecological environment protection, this paper adopts the sensitivity-resilience-pressure (SRP) model, considers six influencing factors (terrain, meteorology, groundwater, vegetation, biodiversity and human activities) from three aspects of ecological sensitivity, ecological resilience and ecological pressure, and selects 16 evaluation indicators. Methods such as analytic hierarchy process-entropy weight method, spatial autocorrelation analysis and geographic detector were used to analyze the spatial pattern and spatial autocorrelation of eco-environmental vulnerability in Zhangbei County, and the main driving forces were discussed. The results are as follows: 1) The ecological environmental vulnerability of Zhangbei County was mainly characterized by potential, slight and mild vulnerability, accounting for 77.79% of the total area, while the moderately and severely vulnerable areas accounted for 16.76% and 5.45%, respectively. 2) In terms of spatial distribution, from west to east, there was a gradual transition from severely and moderately vulnerable areas to mildly and slightly vulnerable areas, and the vulnerability of built-up areas was significantly higher than that of rural areas, with obvious spatial differences. 3) The distribution of eco-environmental fragile areas in Zhangbei County exhibited significant spatial agglomeration. The “high-high” agglomeration areas are mainly distributed in the severely and moderately vulnerable areas; The “low-low” agglomeration areas are mainly distributed in the potentially and slightly vulnerable areas. 4) The eco-environmental vulnerability of Zhangbei County is driven by the interaction of multiple indicators, among which vegetation factors, groundwater factors and climate factors are the main factors affecting its distribution pattern.

Key words: ecological environment vulnerability；SRP model；analytic hierarchy process-entropy weight method；spatial autocorrelation analysis；driving force analysis；Zhangbei County, Zhangjiakou City, Hebei Province

CLC Number: 

  • X824
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