| With the implementation of the rural revitalization strategy,the integration of urban and rural development has become the phased goal of the integration of urban and rural development under the new situation.The advancement of this strategic goal will inevitably lead to major changes in the land use pattern of the vast rural areas.Therefore,the quantitative research on the spatial and temporal evolution law and development model of villages at county scale has certain reference significance for rural planning in small scale,and the study of village land area change and spatial pattern characteristics for rural settlements,the development model and future planning have great theoretical and practical significance.Therefore,this paper takes the villages in Changyuan of Henan Province as the research object,and uses the method of artificial visual interpretation to interpret the remote sensing imagery of Changyuan in 1995,2005 and 2015,to obtain different time series of land use vector data.The accuracy of land use data was verified over the years.The time series of the residential area of Changyuan was analyzed by land use dynamics and land use transfer matrix.The spatial pattern of Changyuan was analyzed through cold hotspot analysis.The characteristics are dynamically analyzed,and the village evolution model is further explored in order to provide reference for the rural planning of Changyuan and enrich the research cases of land use change and model on the village scale.The main research contents are as follows:(1)Analysis of the spatial and temporal changes of land use in Changyuan from 1995 to 2015,and analyze the spatial evolution characteristics of rural settlements' land by means of land use dynamics,land use transfer matrix and cold hot spot analysis.(2)Combining the characteristics of village time and space evolution and interview results,classify the village evolution patterns in the county,analyze the characteristics and distribution of village evolution under different modes,and summarize the changes.(3)Discussion on the spatial and temporal evolution factors of village land.Starting from the external factors and internal factors affecting the evolution of the village,through the combination of inductive analysis and qualitative and quantitative methods,the external factors affecting the village evolution are analyzed from three aspects: urbanization and industrialization,urban-rural population mobility and traffic convenience.The internal factors affecting the evolution of the village are analyzed from three aspects: the resource advantage of the village,the industrialization of the village,and the choice of the living behavior of the farmers.The conclusions of the study are as follows:(1)The time characteristic of village evolution: from 1995 to 2015,the land use of Changyuan has continued to increase,and the land use intensity increased significantly from 1995 to 2005.The land use dynamics is the highest,and the land use intensity is greater than the land use intensity in the next 10 years.The increase of rural settlement land is mainly from cultivated land,and the reduction of rural settlement land is used to transform urban construction land.The dynamics of village land use showed significant and insignificant changes at the town level.The change of rural settlement spatial pattern is characterized by the scattered distribution of rural settlements between 1995 and 2015,and the distribution of residential areas near the Yellow River is large.The scale of village land is mainly small and medium-sized.The average land use scale gradually increases with time,and the large-scale area is mainly distributed in the southeast and northeast of the county,the land use in the suburbs changes significantly,and the changes in remote areas are small.Through the analysis of hotspots,it is found that the spatial agglomeration of the rural settlements in the county of Changyuan has been continuously strengthened in 1995-2015,and the overall trend of agglomeration towards urban suburbs and industrialized areas has been highlighted.(2)Combining the classification of villages by five ministries and commissions,the village evolution model is divided into suburban integration mode,central agglomeration mode,withdrawal and relocation mode,and natural decay mode.The suburban integration model is characterized by urban suburbs outside the urban construction area,within the urban development boundary,and villages where the town is located.The central agglomeration model is characterized by a good industrial base,a good ecological environment,a large settlements size,and a village with good traffic trunks or tourism infrastructure.The relocation-withdrawal mode is characterized by villages located in mountainous areas,geological disaster areas,ecological protection areas and floodplain areas where natural conditions are harsh,living conditions are severely deficient,or the ares need to be relocated due to major project construction and population loss.The natural decay model is characterized by rural settlements with weak industrial bases,outflows and hollowing out of existing villagers.(3)Analysis of rural settlements evolution factors: urbanization and industrialization,population mobility between urban and rural areas,and traffic convenience are the external pull of village spatial evolution;the resource advantages,rural industrialization development and farmers' living behavior principles are within the spatial and temporal evolution of rural settlements.Since the reform and opening up,the rapid development of urbanization and industrialization has accelerated the population movement between urban and rural areas and the allocation and restructuring of production factors,and has also promoted the transformation and development of rural areas in China and the evolution of the spatial layout of rural settlements.Through the analysis of the spatial characteristics,evolution patterns and influencing factors of the village evolution in Changyuan county,the law of spatial evolution of rural settlements is revealed,the sustainable use of rural land resources is promoted,the production and living standards of rural residents are improved,and the future planning of rural settlements is planned,construction provides a reference. |
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