Journal of Natural Resources, Volume. 35, Issue 10, 2428(2020)

Study on the spatial characteristics and intensity factors of "three-line conflict" in Jiangxi province

Dan YI, Xiao-min ZHAO*, Xi GUO, Yi HAN, Ye-feng JIANG, Xia-hua LAI, and Xin-yi HUANG
Author Affiliations
  • College of Land Resources and Environment, Jiangxi Agricultural University/Jiangxi Province Key Laboratory of Poyang Lake Basin Agricultural Resources and Ecology, Nanchang 330045, China
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    Figures & Tables(10)
    Schematic diagram of terrain and extent of the study area
    Distribution of "three lines" conflict index of Jiangxi province
    Distribution of the Z(Gi*) values of "three lines" conflict index of Jiangxi province
    The spatial differentiation of town-ecology conflict intensity impact factors
    The spatial differentiation of town-agriculture conflict intensity impact factors
    The spatial differentiation of ecology-agriculture conflict intensity impact factors
    The spatial differentiation of town-ecology-agriculture conflict intensity impact factors
    • Table 1. Impact factor variables and description

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      Table 1. Impact factor variables and description

      一级指标二级指标单位数据来源
      自然环境条件地形位指数(x130 m×30 m DEM(http://www.gscloud.cn/)
      植被覆盖度(x2遥感影像波段(http://www.gscloud.cn/)
      居民点密度(x3江西省土地利用变更调查成果(2015年)
      社会经济状况人口(x4万人各地级市统计年鉴及统计公报(2017年)
      人均GDP(x5元/人各地级市统计年鉴及统计公报(2017年)
      城镇化率(x6%各地级市统计年鉴及统计公报(2017年)
      固定资产投资强度(x7万元各地级市统计年鉴及统计公报(2017年)
      地理区位特征距河流距离(x8km电子地图数据集(http://www.tianditu.gov.cn/)
      距主要公路距离(x9km电子地图数据集(http://www.tianditu.gov.cn/)
      土地利用特征土地利用丰富度(x10%江西省土地利用变更调查成果(2015年)
      优质耕地占总耕地面积比(x11%耕地质量等别年度更新评价分析报告(2017年)
      建设用地适宜区占总面积比(x12%江西省国土空间开发适宜性评价专题数据(2017年)
      生态功能重要区占总面积比(x13%江西省国土空间开发适宜性评价专题数据(2017年)
      规划因素新增建设用地指标(x14hm2江西省土地利用总体规划(2006—2020年)文本
    • Table 2. Results of the intensity correlation analysis of "three lines" conflict

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      Table 2. Results of the intensity correlation analysis of "three lines" conflict

      冲突类型强度指数x1x2x3x4x5x6x7
      城镇—生态0.251*0.211*-0.288**0.214*
      城镇—农业-0.346**-0.378**0.521**0.365**0.432**0.464**
      生态—农业-0.404**0.331**
      城镇—生态—农业0.252*
      冲突类型强度指数x8x9x10x11x12x13x14
      城镇—生态0.197*-0.380**0.210*-0.231*
      城镇—农业-0.279**-0.254*0.278**0.706**-0.220*0.249*
      生态—农业-0.287**0.260**0.243*
      城镇—生态—农业-0.223*
    • Table 3. Comparison of GWR and OLS model parameter estimation for different types of conflict strength

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      Table 3. Comparison of GWR and OLS model parameter estimation for different types of conflict strength

      冲突类型强度指数城镇—生态城镇—农业生态—农业城镇—生态—农业
      AICcR2adjAICcR2adjAICcR2adjAICcR2adj
      OLS模型-114.2280.333-208.8300.530-44.7130.174-73.3620.123
      GWR模型-118.2170.389-212.2260.557-49.7070.194-101.6480.362
      GWR模型对模拟精度指标的提高-3.9890.056-3.3960.027-4.9940.020-28.8270.239
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    Dan YI, Xiao-min ZHAO, Xi GUO, Yi HAN, Ye-feng JIANG, Xia-hua LAI, Xin-yi HUANG. Study on the spatial characteristics and intensity factors of "three-line conflict" in Jiangxi province[J]. Journal of Natural Resources, 2020, 35(10): 2428

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    Paper Information

    Received: Apr. 25, 2019

    Accepted: --

    Published Online: Apr. 21, 2021

    The Author Email: ZHAO Xiao-min (zhaoxm889@126.com)

    DOI:10.31497/zrzyxb.20201010

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