长江流域资源与环境 >> 2011, Vol. 20 >> Issue (2): 185-.

• 生态环境 • 上一篇    下一篇

普定县岩溶洼地的景观格局分析

张盼盼,胡远满,殷洁   

  • 出版日期:2011-02-20

LANDSCAPE PATTERN OF KARST DEPRESSION IN PUDING COUNTY,CHINA

ZHANG Panpan1,2, HU Yuanman1*, YIN Jie1   

  1. (1.Institute of Applied Ecology,Chinese Academy of Sciences,Shenyang 110016,China;2.China Forest Exploration &|Design Institute on Kunming,Kunming 650216,China)〖
  • Online:2011-02-20

Abstract:

Karst depression is one of the typical types of karst landform in Southwestern China.Karst depression zones are key regions of national environmental management and poverty alleviation.Combining GIS and the method of landscape metrics,the landscape pattern of karst depression in Puding County,Guizhou Province was analyzed.According to the patch size,karst depressions were divided into three types:large depression, moderate depression and small depression.Nine types of landscape metrics from landscape level and class level were computed using FRAGSTATS 33 software.They were NP,PD,PAFRAC,MPI,CONTAG,CONNECT,AI,IJI and SHDI.The results showed that karst depressions in Puding were mainly distributed at South and Northwest part.And the whole landscape had high disturbance degree,complex structure,high heterogeneity and scattering distribution.However,each class had showed clumped distribution.Class level analysis showed that depression class had more patches,and was more fragmented,less agminate and more restricted with natural conditions than nondepression class.The comparative analysis〖JP2〗 on small depression class and large depression class had the same tendency as depression class and nondepression

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