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The Construction of a Regional Ecological Security Pattern Based on Circuit Theory

Author

Listed:
  • Jiulin Li

    (School of Architecture and Urban Planning, Nanjing University, Nanjing 210093, China)

  • Jiangang Xu

    (School of Architecture and Urban Planning, Nanjing University, Nanjing 210093, China)

  • Jinlong Chu

    (School of Architecture and Urban Planning, Anhui Jianzhu University, Hefei 230022, China)

Abstract

The construction of an ecological security pattern (ESP) is one of the basic methods to protect regional ecological security and enhance people’s well-being. In the case of Anhui province, located in the Yangtze River Delta region of China, regional ecological sources were assessed and recognized in terms of ecosystem services, and regional ESP was then constructed based on circuit theory. Current density was applied to analyze the significance of patches and corridors and recognize sticking points, and thereby strategies were introduced to optimize regional ESP. Results of ecosystem services function assessment showed that there were 47 ecological patches, 107 ecological corridors, 16 pinch points, and six sticking points in the ESP of Anhui province. The watershed of the Yangtze and Huai rivers divides the ESP of the northern and southern Anhui, which has huge landscape spatial heterogeneity. Areas with relatively good ecological resources were basically located between Dabie Mountain area in the west and the low hilly area in the south of Anhui, with mostly woodland and farmland as ecological sources. However, cities in the northern Anhui, also in the north of the watershed of the Yangtze and Huai rivers, face severe situations in terms of environmental protection. This study conducted spatial analyses on ESP with different thresholds and proposed to classify different ESPs according to ecological control. This helps to alleviate the contradiction between economic development and environmental protection, and improve the supply capacity of regional ecosystem services, in order to satisfy the regional demand for ecosystem services. Meanwhile, this study offers more methods to construct regional ESP and introduces targeted measures to improve connectivity, which is of practical guidance for the connectivity and optimization of ecological patterns.

Suggested Citation

  • Jiulin Li & Jiangang Xu & Jinlong Chu, 2019. "The Construction of a Regional Ecological Security Pattern Based on Circuit Theory," Sustainability, MDPI, vol. 11(22), pages 1-17, November.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:22:p:6343-:d:286143
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    References listed on IDEAS

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    2. Xudan Zhou & Chenyao Hao & Yu Bao & Qiushi Zhang & Qing Wang & Wei Wang & Hongliang Guo, 2023. "Is the Urban Landscape Connected? Construction and Optimization of Urban Ecological Networks Based on Morphological Spatial Pattern Analysis," Sustainability, MDPI, vol. 15(20), pages 1-19, October.
    3. Yanping Yang & Jianjun Chen & Renjie Huang & Zihao Feng & Guoqing Zhou & Haotian You & Xiaowen Han, 2022. "Construction of Ecological Security Pattern Based on the Importance of Ecological Protection—A Case Study of Guangxi, a Karst Region in China," IJERPH, MDPI, vol. 19(9), pages 1-22, May.
    4. Jun Jiang & Hailin Zhang & Qing Huang & Fei Liu & Long Li & Hongrui Qiu & Shizhe Zhou, 2023. "Diagnosis of Key Ecological Restoration Areas in Territorial Space under the Guidance of Resilience: A Case Study of the Chengdu–Chongqing Region," Land, MDPI, vol. 12(5), pages 1-24, April.
    5. Jia Xu & Dawei Xu & Chen Qu, 2022. "Construction of Ecological Security Pattern and Identification of Ecological Restoration Zones in the City of Changchun, China," IJERPH, MDPI, vol. 20(1), pages 1-20, December.
    6. Shan Ke & Hui Pan & Bowen Jin, 2023. "Identification of Priority Areas for Ecological Restoration Based on Human Disturbance and Ecological Security Patterns: A Case Study of Fuzhou City, China," Sustainability, MDPI, vol. 15(3), pages 1-26, February.
    7. Fengyu Wang & Shuai Tong & Yun Chu & Tianlong Liu & Xiang Ji, 2023. "Spatio-Temporal Evolution of Key Areas of Territorial Ecological Restoration in Resource-Exhausted Cities: A Case Study of Jiawang District, China," Land, MDPI, vol. 12(9), pages 1-25, September.
    8. Zixuan Li & Jiang Chang & Cheng Li & Sihao Gu, 2023. "Ecological Restoration and Protection of National Land Space in Coal Resource-Based Cities from the Perspective of Ecological Security Pattern: A Case Study in Huaibei City, China," Land, MDPI, vol. 12(2), pages 1-27, February.
    9. Xinchang Zhang & Min Chen & Kai Guo & Yang Liu & Yi Liu & Weinan Cai & Hua Wu & Zeyi Chen & Yiyun Chen & Jianguo Zhang, 2021. "Regional Land Eco-Security Evaluation for the Mining City of Daye in China Using the GIS-Based Grey TOPSIS Method," Land, MDPI, vol. 10(2), pages 1-18, January.
    10. Xiaoyang Liu & Ming Wei & Jian Zeng, 2020. "Simulating Urban Growth Scenarios Based on Ecological Security Pattern: A Case Study in Quanzhou, China," IJERPH, MDPI, vol. 17(19), pages 1-20, October.
    11. Ronglei Yang & Zhongke Bai & Zeyu Shi, 2021. "Linking Morphological Spatial Pattern Analysis and Circuit Theory to Identify Ecological Security Pattern in the Loess Plateau: Taking Shuozhou City as an Example," Land, MDPI, vol. 10(9), pages 1-18, August.
    12. Yiming Liu & Nan Cui & Rui Han & Luo Guo, 2020. "Establishing Ecological Security Patterns Based on Reconstructed Ecosystem Services Value in Rapidly Urbanizing Areas: A Case Study in Zhuhai City, China," Sustainability, MDPI, vol. 12(16), pages 1-16, August.
    13. Tianyue Ma & Jing Li & Shuang Bai & Fangzhe Chang & Zhai Jiang & Xingguang Yan & Jiahao Shao, 2022. "Optimization and Construction of Ecological Security Patterns Based on Natural and Cultivated Land Disturbance," Sustainability, MDPI, vol. 14(24), pages 1-19, December.
    14. Shiru Wang & Qian Song & Jianyun Zhao & Zhibo Lu & Haoxiang Zhang, 2023. "Identification of Key Areas and Early-Warning Points for Ecological Protection and Restoration in the Yellow River Source Area Based on Ecological Security Pattern," Land, MDPI, vol. 12(8), pages 1-20, August.

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