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Analysis and Planning of Ecological Networks Based on Kernel Density Estimations for the Beijing-Tianjin-Hebei Region in Northern China

Author

Listed:
  • Pengshan Li

    (College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China)

  • Yahui Lv

    (College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China)

  • Chao Zhang

    (College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China
    Key Laboratory for Agricultural Land Quality Monitoring and Control, Ministry of Land and Resources, Beijing 100035, China)

  • Wenju Yun

    (Key Laboratory for Agricultural Land Quality Monitoring and Control, Ministry of Land and Resources, Beijing 100035, China)

  • Jianyu Yang

    (College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China
    Key Laboratory for Agricultural Land Quality Monitoring and Control, Ministry of Land and Resources, Beijing 100035, China)

  • Dehai Zhu

    (College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China
    Key Laboratory for Agricultural Land Quality Monitoring and Control, Ministry of Land and Resources, Beijing 100035, China)

Abstract

With the continued social and economic development of northern China, landscape fragmentation has placed increasing pressure on the ecological system of the Beijing-Tianjin-Hebei (BTH) region. To maintain the integrity of ecological processes under the influence of human activities, we must maintain effective connections between habitats and limit the impact of ecological isolation. In this paper, landscape elements were identified based on a kernel density estimation, including forests, grasslands, orchards and wetlands. The spatial configuration of ecological networks was analysed by the integrated density index, and a natural breaks classification was performed for the landscape type data and the results of the landscape spatial distribution analysis. The results showed that forest and grassland are the primary constituents of the core areas and act as buffer zones for the region’s ecological network. Rivers, as linear patches, and orchards, as stepping stones, form the main body of the ecological corridors, and isolated elements are distributed mainly in the plain area. Orchards have transition effects. Wetlands act as connections between different landscapes in the region. Based on these results, we make suggestions for the protection and planning of ecological networks. This study can also provide guidance for the coordinated development of the BTH region.

Suggested Citation

  • Pengshan Li & Yahui Lv & Chao Zhang & Wenju Yun & Jianyu Yang & Dehai Zhu, 2016. "Analysis and Planning of Ecological Networks Based on Kernel Density Estimations for the Beijing-Tianjin-Hebei Region in Northern China," Sustainability, MDPI, vol. 8(11), pages 1-17, October.
    • Handle: RePEc:gam:jsusta:v:8:y:2016:i:11:p:1094-:d:81336
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    References listed on IDEAS

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