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北京明长城两侧森林景观异质性和复杂性变化

龚俊杰 杨华 邓华锋

龚俊杰, 杨华, 邓华锋. 北京明长城两侧森林景观异质性和复杂性变化[J]. 北京林业大学学报, 2015, 37(5): 81-87. doi: 10.13332/j.1000-1522.20140185
引用本文: 龚俊杰, 杨华, 邓华锋. 北京明长城两侧森林景观异质性和复杂性变化[J]. 北京林业大学学报, 2015, 37(5): 81-87. doi: 10.13332/j.1000-1522.20140185
GONG Jun-jie, YANG Hua, DENG Hua-feng. Spatial heterogeneity and complexity of forest landscape along the Ming Great Wall in Beijing.[J]. Journal of Beijing Forestry University, 2015, 37(5): 81-87. doi: 10.13332/j.1000-1522.20140185
Citation: GONG Jun-jie, YANG Hua, DENG Hua-feng. Spatial heterogeneity and complexity of forest landscape along the Ming Great Wall in Beijing.[J]. Journal of Beijing Forestry University, 2015, 37(5): 81-87. doi: 10.13332/j.1000-1522.20140185

北京明长城两侧森林景观异质性和复杂性变化

doi: 10.13332/j.1000-1522.20140185
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。

    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。

Spatial heterogeneity and complexity of forest landscape along the Ming Great Wall in Beijing.

  • 摘要: 为了分析北京明长城森林景观结构的空间异质性和斑块形状复杂性,以北京明长城两侧3 000 m范围为研究区域,在选取各类最常用指数的基础上,结合分形理论构建了复杂性评价指标,运用缓冲区分析方法对研究区不同缓冲幅度下的景观异质性与斑块形状复杂性状况进行了分析。结果表明:1)有林地和灌木林地分布面积较广,占总面积的83%左右,为研究区的优势景观。其中,有林地为景观基质,聚合性最强,连接性最好,破碎化程度最低;而疏林地和无立木林地斑块间离散程度高,景观连接性差,破碎化程度高。2)随着缓冲距离的扩大,同类型景观斑块邻近度增高,离散程度降低,景观连接性增强,平均斑块面积变大,破碎化程度在降低,景观异质性有所增强,斑块类型趋向于均匀分布。3)随着缓冲距离的扩大,景观斑块形状复杂程度逐渐增加,边缘效应影响也随之增强,景观结构稳定性则逐渐递减。

     

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  • 收稿日期:  2014-05-23

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