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An Analysis of Policy Transmission Flow in the Chengdu Plain Urban Agglomeration in Southwest China: Towards Building an Ecological Protection Network

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  • Langong Hou

    (School of Civil Engineering and Architecture, Southwest University of Science and Technology, Mianyang 621010, China)

  • Yingjia Deng

    (School of Civil Engineering and Architecture, Southwest University of Science and Technology, Mianyang 621010, China)

  • Xiaolan Wang

    (Research Institute for Eco-Civilization, Sichuan Academy of Social Sciences, Chengdu 610071, China)

  • Tao Liu

    (Department of Earth System Science, Ministry of Education Key Laboratory for Earth System Modeling, Institute for Global Change Studies, Tsinghua University, Beijing 100084, China)

  • Yuanhang Xu

    (School of Civil Engineering and Architecture, Southwest University of Science and Technology, Mianyang 621010, China)

  • Jing Wang

    (College of Earth Science, Chengdu University of Technology, Chengdu 610059, China)

Abstract

Regional ecological protection is an urgent task in today’s social development, and constructing an ecological protection network is an important way to achieve regional ecological coordination. However, previous studies have lacked a systematic review and analysis of policy document transmission paths, failing to consider the spatial network structure and its complex characteristics of regional ecological protection policies, resulting in deficiencies in regional coordinated governance of the ecological environment. To address this gap, this study constructs an ecological policy transmission network lineage for the Chengdu Plain urban agglomeration (CDPUA) based on 400 ecological environmental protection policy documents issued by cities in the CDPUA from 2015 to 2022, focusing on the transmission perspective of policy documents. Social network analysis methods, a GIS spatial analysis, and other methods were employed to construct the ecological protection network of the CDPUA and analyze the complex spatial structure and characteristics of the network. It was found that the integrated ecological protection network of the CDPUA exhibits a multi-core triangular pattern with spatial characteristics of density in the east and sparsity in the west. The integrated ecological protection network has a density of 60.71%, indicating a strong intercity linkage, with Suining as the central nucleus transmitting policies to surrounding cities, forming the Suining–Chengdu–Mianyang policy transmission triangle. The urban agglomeration has formed an ecological protection network dominated by multiple cities, offering diverse and distinct types of ecosystem services. This study provides insights to enhance regional collaborative ecological governance and protection, promoting sustainable development in the region.

Suggested Citation

  • Langong Hou & Yingjia Deng & Xiaolan Wang & Tao Liu & Yuanhang Xu & Jing Wang, 2024. "An Analysis of Policy Transmission Flow in the Chengdu Plain Urban Agglomeration in Southwest China: Towards Building an Ecological Protection Network," Sustainability, MDPI, vol. 16(13), pages 1-21, June.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:13:p:5398-:d:1421875
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    References listed on IDEAS

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    1. Daowei Zhang & Anne Stenger, 2015. "Value and valuation of forest ecosystem services," Journal of Environmental Economics and Policy, Taylor & Francis Journals, vol. 4(2), pages 129-140, July.
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