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Heterogeneous Impacts of Human Activity Intensity on Regional Ecological Security Patterns: The Case of Southwest China

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  • Tao Li

    (Linze Inland River Basin Research Station, Key Laboratory of Ecological Safety and Sustainable Development in Arid Lands, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China
    State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China)

  • Ling Li

    (State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China)

  • Mingfang Tang

    (State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China)

  • Hongbing Deng

    (State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China)

Abstract

Intense human activities have significantly altered landscape structure, affected ecosystem services, and threatened ecological security. However, the spatial coupling relationship between regional ecological security patterns (ESPs) and human activity is still unclear. Taking southwest China as the study area, this study firstly assessed ecosystem service importance (ESI) and then identified ecological sources in conjunction with nature reserves. A minimum cumulative resistance model and circuit theory were used to extract ecological corridors and nodes to construct ESPs, and we further analyzed spatial relationships between ESPs and regional human activity intensity factors. Our results showed that ESI had obvious regional differences, and considering diversity and uniqueness of ecosystem functions, it is crucial for constructing ESPs. The ESPs—195 ecological sources, 490 ecological corridors, 212 ecological pinch points, and 17 barrier points—were important priority areas for ecological protection and restoration and will effectively guide differentiated ecosystem management. Intense human activities had significantly differentiated negative impacts on regional ESPs, and balancing regional ecological protection and economic development can achieve a win–win situation. Our research not only provides a new perspective for constructing ESPs but also provides important practical guidance for maintaining ecological security and landscape sustainability.

Suggested Citation

  • Tao Li & Ling Li & Mingfang Tang & Hongbing Deng, 2024. "Heterogeneous Impacts of Human Activity Intensity on Regional Ecological Security Patterns: The Case of Southwest China," Land, MDPI, vol. 13(12), pages 1-16, December.
    • Handle: RePEc:gam:jlands:v:13:y:2024:i:12:p:2172-:d:1543103
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    References listed on IDEAS

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    1. Jianying Xu & Feifei Fan & Yanxu Liu & Jianquan Dong & Jixing Chen, 2019. "Construction of Ecological Security Patterns in Nature Reserves Based on Ecosystem Services and Circuit Theory: A Case Study in Wenchuan, China," IJERPH, MDPI, vol. 16(17), pages 1-15, September.
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    3. Shilong Piao & Philippe Ciais & Yao Huang & Zehao Shen & Shushi Peng & Junsheng Li & Liping Zhou & Hongyan Liu & Yuecun Ma & Yihui Ding & Pierre Friedlingstein & Chunzhen Liu & Kun Tan & Yongqiang Yu , 2010. "The impacts of climate change on water resources and agriculture in China," Nature, Nature, vol. 467(7311), pages 43-51, September.
    4. Huang, Lin & Shao, Quanqin & Liu, Jiyuan & Lu, Qingshui, 2018. "Improving ecological conservation and restoration through payment for ecosystem services in Northeastern Tibetan Plateau, China," Ecosystem Services, Elsevier, vol. 31(PA), pages 181-193.
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