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Journal of Zhejiang University (Agriculture and Life Sciences)  2006, Vol. 32 Issue (4): 460-466    DOI:
    
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Published: 27 July 2006
CLC:  null  
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. null. Journal of Zhejiang University (Agriculture and Life Sciences), 2006, 32(4): 460-466.

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https://www.zjujournals.com/agr/     OR     https://www.zjujournals.com/agr/Y2006/V32/I4/460


基于遥感与GIS中国陆地景观结构分析

利用遥感和GIS技术,首先根据生态区划计算出描述中国陆地景观结构的十三种景观结构指数,包括斑块密度、最大斑块指数、边界密度、面积加权斑块形状指数、面积加权斑块分维度、平均最近斑块距离、最近斑块距离的标准差、最近斑块距离的相异系数、蔓延度、分布邻接指数、结合度、香农多样性指数、辛普森多样性指数.在相关分析的基础上,使用等级聚合与因子分析方法对最近斑块距离相异系数之外的十二种指数进行分析,最后采用因子分析结果中的前三个公因子分析中国陆地景观结构,三个公因子的方差累积贡献率达88.8%,分别定义为斑块多样性因子、斑块形状复杂性因子、斑块分布均匀性因子结果表明,在人类活动影响强烈的生态区,这三种公因子取值都比较小,表明在人类活动的影响下,斑块类型多样性减少、斑块形状复杂性降低、斑块分布趋于均匀.
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