Analysis of Boundary Morphological Characteristics in Dong Rural Settlements in Hunan,Guangxi and Guizhou Regions
Twenty-five Dong rural settlements in Hunan,Guangxi and Guizhou regions were selected as research samples.Based on the graph base analysis method and the aspect ratio,shape index and fractal dimension quantitative index,the morphological characteristics and fragmentation degree of the border of Dong rural settlements were discussed.The results showed that according to the quantitative study of length-to-width ratio,the sample settlements were grouped,banded and banded inclined into three types,including 10 cluster settlements,10 banded settlements and 5 banded inclined cluster settlements.The formation of cluster settlements was mainly influenced by natural environment and artificial factors.Through the quantitative study of length-width ra-tio,shape index and fractal dimension,it is found that the boundary pattern of settlements presents two states of simple smooth,bro-ken and complex,and its formation is influenced by natural environment,clan concept and morphological characteristics of settle-ments.Relevant conclusions can provide reference for the protection and development of Dong rural settlements.
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