Spatial Distribution And Influencing Factors Of Native Ethnic Villages And Surnames In Pingguo County

This study is based on the necessity of studying the ethnic villages under the impact of rapid urbanization and the uniqueness of the research on the surnames of native ethnic villages in Karst area.Pingguo County,Baise City,Guangxi Zhuang Autonomous Region was selected as the research area.ArcGIS spatial analysis and landscape index analysis method were used to explore the spatial pattern and influencing factors of the villages in Pingguo County.ArcGIS method was used to analyze the spatial distribution characteristics of the main surnames.Based on the distance between surnames and Fisher's? value,the similarity and difference of the structure of surnames in various ethnic villages in Pingguo County were explored.The results are as follows:(1)The spatial distribution of native ethnic villages in Pingguo County has obvious differentiation characteristics.(1)The total patch area of 181 native ethnic villages in Pingguo County is the largest in the range of 20.59 hectares to 35.61 hectares.The number of villages with patches ranging from 12 to 25 is the largest.The average scale of all native ethnic villages in Pingguo County is relatively small,with the average patch area of most villages ranging from 0.18 hectares to 1.71 hectares.Among the four types of ethnic villages in Pingguo County,and its average land use scale is the smallest among the four types.The total patch area of Zhuang-Han mixed village is small,the number of patches is small,andthe average land use scale is the largest among the four types.The total patch area of Zhuang-Yao mixed village is 48.81 hectares,and the average land use scale is small.(2)The nuclear density of the native ethnic villages in Pingguo County presents a spatial pattern of " dense in the north and south,sparse in the middle".(3)The native ethnic villages in Pingguo County have the characteristics of high agglomeration in southwest and northeast,and low agglomeration in Northwest and southeast.(4)Terrain,transportation and rivers have a great influence on the distribution of native ethnic villages in Pingguo County.Native ethnic villages in Pingguo County have the distribution characteristics of low altitude,low slope,adjacent rivers and adjacent transportation.(2)Distribution Characteristics of Surnames in Pingguo County:(1)Most surnames in Pingguo County are small in scale and a few are large in scale.The most obvious changes in surnames in the county occur in the seven most common surnames of Huang,Wei,Lu,Li,Nong,Pan and Liang.(2)Among the 7 main surnames,Huang is the most widely distributed in the north and the least in the middle.Wei is distributed most in the north and least in the south.Lu is mainly distributed in Longma Village,Linlin Village and Wangli Village.Li is mainly distributed in Yinshan village,Jingcun village,xionglie village and shizhao village.Nong is mainly distributed in Anma Village,Baitan Village and Dingzhen Village.Pan is mainly concentrated in Narong Village,Ba Long Villageand Fushan Village.Villages with a large proportion of Liang include Minjiang Village,Qiliang Village,Ponan Village and Shouan Village.And the surnames of different native ethnic villages in Pingguo County have different distribution characteristics.(3)In this study,the single linkage cluster analysis was used to classify the surname distance matrix between various native ethnic villages in Pingguo County,and 48 types of villages were obtained.The surname structure of villages in each type of cluster was similar.(4)Fisher's ? is calculated to reflect the difference of surname structure in different native ethnic villages.The larger ? value means the higher degree of surname intermixing,on the contrary,the lower degree of intermixing.