Research On Rationality Of Rural Greening Structure Based On Ecosystem Service Function Evaluation

Rural greening is an important content of rural economic revitalization and an important symbol of rural ecological civilization construction.The lack of theoretical and technical support for rural greening has become the main bottleneck of scientific development of rural greening construction.This study adopts the method of Google satellite imagery interpretation in weifang city,shandong province and its surrounding area rural greening condition was studied,and set the stuff(1.5 km wide,190 km long),north and south(1.5 km wide,120 km long)with two samples,the samples with all villages within the screening after the final sample size of 50 villages,according to the different geomorphic types,villages and village area size,distance to central city village,village and town distance determination study,each type of not less than three villages.Landform,village size,distance from central city and county seat all have significant influence on village greening and ecosystem service function.The overall greening rate of villages in mountainous areas was the highest,followed by those in hilly areas and plains.Mountain villages retain more natural stands,while plain villages develop forests outside the village into other forms of economic development such as farmland or industry and mining,while hilly villages fall somewhere in between.Similarly,from the plains to the hills and then to the mountains,the value of ecosystem service functions is also gradually increasing,whether it is the total value of quality or the value of various services.From the perspective of the greening structure of villages,the overall greening rate of small villages is the highest,followed by large villages and medium-sized villages.This is because the economy of large villages is relatively more developed,so they have more ability to invest in the unified greening.In terms of the results of ecosystem service function,this is also the case.Small villages have the highest value of ecosystem service function per unit area,followed by large villages and medium-sized villages,for the same reason as above.The farther distance downtown village,the lower the level of the development,the more he has natural forest reserve,so the overall showed a trend of rise of the green area,mainly village increase accounted for the important proportion of green area,and the closer distance downtown village,due to the higher level of the development,have more economic power in the village green,so the road greening part of the higher the ratio,,the farther distance downtown village of the ecosystem services value is higher,and the value of services also presents this rule.The distance from the village to the county center has an impact on the greening rate of the village mainly in the aspects of overall greening and greening outside the village.The farther the village is from the county center,the higher the greening rate of the village and the greening rate outside the village will be.The distance from the county center is different.