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北京明长城沿线景观生态风险评价

龚俊杰 杨华 邓华锋

龚俊杰, 杨华, 邓华锋. 北京明长城沿线景观生态风险评价[J]. 北京林业大学学报, 2015, 37(8): 60-68. doi: 10.13332/j.1000-1522.20140303
引用本文: 龚俊杰, 杨华, 邓华锋. 北京明长城沿线景观生态风险评价[J]. 北京林业大学学报, 2015, 37(8): 60-68. doi: 10.13332/j.1000-1522.20140303
GONG Jun-jie, YANG Hua, DENG Hua-feng. Assessment of ecological risks of landscape along the Ming Great Wall in Beijing[J]. Journal of Beijing Forestry University, 2015, 37(8): 60-68. doi: 10.13332/j.1000-1522.20140303
Citation: GONG Jun-jie, YANG Hua, DENG Hua-feng. Assessment of ecological risks of landscape along the Ming Great Wall in Beijing[J]. Journal of Beijing Forestry University, 2015, 37(8): 60-68. doi: 10.13332/j.1000-1522.20140303

北京明长城沿线景观生态风险评价

doi: 10.13332/j.1000-1522.20140303
基金项目: 

林业公益性行业科研专项 (201104051)

详细信息
    作者简介:

    龚俊杰。主要研究方向:森林资源监测与评价。Email:gongjunjie1107@163.com 地址: 100083北京市海淀区清华东路35号北京林业大学林学院。

    责任作者:

    杨华,博士,副教授。主要研究方向:森林资源监测技术。Email:huayang@bjfu.edu.cn 地址: 同上。

Assessment of ecological risks of landscape along the Ming Great Wall in Beijing

  • 摘要: 为了解北京明长城沿线周边地区的生态风险状况,以北京市长城普查数据和近期森林资源调查数据为数据源,通过构建景观生态风险指数,以2km×2km的网格进行系统采样,借助空间自相关和半方差分析方法,探讨北京明长城两侧3km范围内的景观生态风险状况。结果表明:各景观类型中,灌木林地所占面积比例最高,达26.58%,但其生态风险程度也最高,无立木林地破碎度和分离度最高,所受干扰程度和自然损失度也最大,农地斑块形状最复杂。研究区生态风险分布存在明显的尺度效应,存在一定数量的高风险和低风险聚集区,聚集现象显著,具有较高的空间相关性,其中高风险区域主要位于八达岭、黄花城、慕田峪、金山岭以及司马台等著名长城段;同时,生态风险在空间上表现出以怀柔东南部与密云接壤处为中心,向研究区东西两侧风险逐渐递减的圈层结构特征。研究区整体风险以中等偏下等级为主,但较高和最高等级风险所占的面积比重达到21.09%,不容忽视。本文较为详细地分析和介绍了北京明长城周边地区的生态风险状况,为日后生态环境的保护和规划建设提供参考。

     

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出版历程
  • 收稿日期:  2014-09-15
  • 修回日期:  2014-09-15
  • 刊出日期:  2015-08-31

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