Journal of Natural Resources, Volume. 35, Issue 8, 1986(2020)

Construction of Xuzhou ecological network based on comprehensive sources identification and multi-scale nesting

Jie ZHU1... Jie SU1, Hai-wei YIN1,* and Fan-hua KONG2 |Show fewer author(s)
Author Affiliations
  • 1School of Architecture and Urban Planning, Nanjing University, Nanjing 210093, China
  • 2International Institute for Earth System Sciences, Nanjing University, Nanjing 210023, China
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    Figures & Tables(13)
    The location of the study area
    Technical workflow
    Area-quantity relation diagram of ecological source area
    Selection of minimum area threshold of ecological source area
    Factor evaluation of habitat patches and ecological source extraction in metropolitan area
    Factor evaluation of habitat patches and ecological source extraction in main urban area
    Ecological corridors in metropolitan and main urban areas
    Identification of pinch points and barrier points at different scales
    Superposition analysis of ecological core areas and corridors of different scales
    Comparative analysis of the superimposed areas of pinch points and barrier points
    • Table 1. Data source and processing

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      Table 1. Data source and processing

      数据类型数据来源数据处理
      土地利用分类数据
      (分辨率2.4 m×2.4 m)
      LocaSpace Viewer 2019年2月影像数据:
      http://www.locaspace.cn/LSV.jsp
      目视解译分为农用地、城乡建设用地、未利用地等3大类14小类
      夜间灯光数据
      (分辨130 m×130 m)
      珞珈一号夜光遥感卫星数据:
      http://59.175.109.173:8888/index.html
      使用2018年11月夜间灯光数据
      徐州相关规划专题图件徐州市自然资源与规划局提取徐州都市区、主城区行政区边界
      道路OpenStreetMap:http://www.openstreetmap.org/道路矢量线性要素
    • Table 2. Assignment of the importance of water conservation

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      Table 2. Assignment of the importance of water conservation

      影响要素缓冲区范围/m重要性赋值
      100 m以上主干河流、500 hm²以上湖泊2001
      4000.8
      6000.6
      8000.4
      50~100 m河流、
      100~500 hm²湖泊
      2000.8
      4000.6
      6000.4
      20~50 m河流、
      50~100 hm²湖泊坑塘
      2000.6
      4000.4
      20 m以下河流、
      50 hm²以下坑塘
      2000.4
    • Table 3. Resistance setting of land use types in Xuzhou metropolitan area and main urban area

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      Table 3. Resistance setting of land use types in Xuzhou metropolitan area and main urban area

      大类小类细分分类依据都市区主城区
      分类划分阻力值分类划分阻力值
      农用地耕地水田5050
      旱地10080
      林地面积/hm²>20001>301
      200~20001010~3010
      <20020<1020
      建设用地商服公服
      用地
      城市商服用地600800
      农村商服用地400600
      工矿用地1000800
      公用设施
      用地
      瞻仰景观休闲用地公园绿地30公园绿地30
      防护绿地50防护绿地10
      住宅城市居住用地用地类型一类居住1000一类居住1000
      二类居住1000二类居住1000
      三类居住600三类居住600
      农村居民点面积/hm²>501000>501000
      20~5050020~50600
      <20300<20400
      交通运输
      用地
      交通场站1000600
      铁路8001000
      高速1000900
      公路宽度/m>40800>40700
      20~4060020~40500
      ≤ 20400≤ 20300
      未利用地未利用
      土地
      城区未利用地面积/hm²>10500>10500
      ≤ 10100≤ 10100
      农村荒地面积/hm²>30500>10500
      ≤ 30200≤ 10200
      其他
      土地
      河流水面宽度/m>1001000>501000
      50~10050030~50500
      <50100<30100
      湖泊水面面积/hm²>1001000>80800
      50~10020030~80200
      <5020<3020
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    Jie ZHU, Jie SU, Hai-wei YIN, Fan-hua KONG. Construction of Xuzhou ecological network based on comprehensive sources identification and multi-scale nesting[J]. Journal of Natural Resources, 2020, 35(8): 1986

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    Paper Information

    Received: Nov. 1, 2019

    Accepted: --

    Published Online: Jan. 6, 2021

    The Author Email: YIN Hai-wei (qzyinhaiwei@163.com)

    DOI:10.31497/zrzyxb.20200817

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