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Updated: Sep 11, 2025
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An R-Based Landscape Validation of a Competing Risk Model
Published on: September 16, 2022
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Optimizing regional ecological security patterns based on interpretable machine learning models: A case study of
Dehu Yang1, Yin Gao2, Jun Chen2
1Faculty of Geosciences and Engineering, Southwest Jiaotong University, Chengdu, 610031, China; Moganshan Geospatial Information Laboratory, Huzhou, 313200, China; National Geomatics Center of China, Beijing, 100830, China.
Journal of Environmental Management
|August 12, 2025
Summary
This study maps ecological source areas and resistance surfaces around urban zones to improve landscape connectivity and regional ecological security. Findings reveal 20 source patches, high-resistance zones, and critical corridors for sustainable urban development.
Area of Science:
- Ecological landscape connectivity
- Urban ecological security
- Geospatial analysis
Background:
- Ecological source area delineation and resistance surface construction are vital for urban landscape connectivity and regional ecological security.
- Achieving high-quality, sustainable urban development necessitates robust ecological planning.
- Integrating natural and socio-economic factors is key to assessing ecological resistance.
Purpose of the Study:
- To delineate ecological source areas and construct resistance surfaces in urban environments.
- To analyze the ecological security pattern of Huzhou using advanced algorithms and circuit theory.
- To provide policy guidance for sustainable regional development and ecological management.
Main Methods:
- Utilized CatBoost algorithm with SHAP (Shapley Additive exPlanations) for interpretable machine learning analysis.
- Applied Circuit Theory to identify ecological corridors, pinch points, and barrier surfaces.
- Employed the 3D Realistic Geospatial Landscape Model (3dRGLm) for enhanced spatial visualization.
Main Results:
- Identified 20 ecological source patches covering 1117 km².
- Mapped 500.75 km² (8.6%) of high ecological resistance areas.
- Identified 40 ecological corridors, 348 pinch points, and 11 barrier surfaces, supporting a 'two screens, three belts, four corridors, and five zones' spatial framework.
Conclusions:
- The study provides a spatial framework for ecological security and sustainable development in urban areas.
- Findings offer practical implications for ecological planning and management, enhancing regional ecological security.
- The integrated approach enhances understanding and planning for ecologically critical areas.
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