Analysis On Spatial Pattern Evolution Of Sansheng Land In Huinan County

Under the current land and space planning system,the preparation of land and space planning should move towards the coordinated development of production,living,and ecological land.The report of the 18th National Congress of the Communist Party of China formally proposed to promote the intensive and high-efficiency production space,the appropriate living space,and the ecological space.To resolve the chaos and disorderly development of the land and space caused by the rapid development of urbanization.The so-called Sansheng Space refers to production space,living space,and ecological space.From the perspective of land use,it is also called production land,living land,and ecological land.This article takes Huinan County,Tonghua City as the research object,analyzes the land use of Sansheng Space in Huinan County and makes suggestions on the optimization of the land use structure of Huinan County based on this.With regard to the principle of land function diversity,based on our country’s current land use classification system,construct the three-generation spatial scoring standard and classification system;carry out functional identification of the three-generation spatial dominant functions;analyze the characteristics and evolution of the three-generation spatial land use pattern in Huinan County Laws;At the same time,the spatial autocorrelation analysis of Huinan Sansheng was carried out.Using Arc GIS software to map,the spatial pattern characteristics,evolution law and spatial autocorrelation degree of Huinan County Sansheng can be visually displayed.research shows:(1)The change of production space is relatively small.Since 2013,it has decreased by264.22hm~2,accounting for 0.3%.It is concentrated in the southern part of Chaoyang Town,Huinan County,the middle of Huinan Town,the southern part of Qingyang Town,the southern part of Tuanlin Town,and Huinan County.Facheng Town,the middle of Loujie Township,the northwest of Shansonggang Town,the northwest of Shanshao Town,the middle of Jinchuan Town,the middle of Fumin Town,the middle and west of Shidaohe Town,the most prominent ones are Chaoyang Town and Huinan Town.(2)The ecological space has been on a downward trend.Since 2013,it has decreased by97.18hm~2,accounting for 0.07%.The urbanization and industrialization level in the western region is relatively high.The ecological space is fragmented and destroyed.The ecological space area in the eastern part remains unchanged.Distributed in the east,surrounded by mountains and hills on three sides,the forest coverage rate is high,the level of urbanization is low,the ecological space has not suffered large-scale destruction and development,and the ecological environment is good.(3)The living space has grown slowly.Since 2013,it has increased by 361.39hm~2,accounting for 3.2%.It is concentrated in the southern part of Chaoyang Town,Huinan Town,the southern part of Qingyang Town,the southern Tuanlin Town,and Huifa Town.In the south,the middle of Loujie Township,the northwest of Shansonggang Town,the northwest of Fangshao Town,the middle of Jinchuan Town,the middle of Fumin Town,and the middle and west of Shidaohe Town,the remaining villages are scattered,with Chaoyang Town increasing the most.(4)The analysis of spatial autocorrelation shows that the degree of spatial autocorrelation of the three generations in Huinan County shows a downward trend,and the fragmentation and discontinuity of the territorial space has increased.The three generations space has the characteristics of small aggregation and large dispersion.The production space presents a strong agglomeration at the micro-scale;the living space is relatively stable at all micro-scales;the ecological space is severely fragmented.