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草业学报  2015 

基于VDDT的红原县草地景观动态变化模拟

DOI: 10.11686/cyxb20150525, PP. 217-223

Keywords: 草地景观,草地资源,变化,动态模拟

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Abstract:

利用ENVI软件对2000和2010年红原县遥感影像进行解译,建立红原县草地资源数据库。设定9种干扰变化的驱动因子,利用VDDT以2000到2001年草地景观转换概率和干扰因子出现情况,对2020年红原县草地景观的动态变化进行模拟分析。结果表明,VDDT在模拟红原县草地景观变化动态中具有较高的可行性(斑块面积拟合度为0.9325,斑块数目拟合度为0.8833)。通过对影响草地景观格局变化的主要因子进行分析,表明红原县草地具有明显退化趋势。

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