Spatio-temporal evolution and driving factors analysis of ecological geological vulnerability in Sunwu-Xunke districts (China) based on sensitivity-resilience-pressure (SRP) model
Evaluating ecological geological vulnerability is essential for regional ecological environmental restoration. The Sunwu-Xunke areas, an important part of China's Northeast Forest Belt, play a key role in strengthening the ecological security barrier along the northern border. Nevertheless, eco...
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| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2025-09-01
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| Series: | Environmental and Sustainability Indicators |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2665972725002363 |
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| Summary: | Evaluating ecological geological vulnerability is essential for regional ecological environmental restoration. The Sunwu-Xunke areas, an important part of China's Northeast Forest Belt, play a key role in strengthening the ecological security barrier along the northern border. Nevertheless, ecological issues such as forest-grassland-wetland degradation, in conjunction with soil erosion, hinder regional ecological security. This research employs the Sensitivity-Resilience-Pressure (SRP) model to incorporate the impact of geological factors on vulnerability. By applying Principal Component Analysis (PCA), evaluating cold and hot spots, and employing the Geographic Detector, a comprehensive assessment of ecological geological vulnerability in the Sunwu-Xunke areas was performed. The results reveal that the ecological geological vulnerability in Sunwu-Xunke is mainly defined by a condition of mild to moderate vulnerability, showcasing considerable spatial variability with a “north-high, south-low” distribution pattern. From 2015 to 2023, there has been a declining trend in overall vulnerability within Sunwu-Xunke areas, suggesting improvements in the regional ecological environment following the implementation of the enclosure policy in 2014. The driving factors contributing to vulnerability include average annual precipitation, soil parent material, water conservation capacity, and land use type. The interplay among these factors predominantly presents as bivariate enhancement, with the joint effects of these factors on vulnerability surpassing those of the individual factors. To boost water conservation capacity, reduce soil erosion, and enhance the quality of black soil farmland, specific ecological management strategies are recommended for different categories of vulnerable regions. The research outcomes provide scientific evidence and data support for regional ecological restoration. |
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| ISSN: | 2665-9727 |