Spatiotemporal Evolution And Driving Forces Of Gross Ecosystem Product In Southern Jiangxi Province

Ecosystem and its ecological process are the basis of human existence and development,forming the necessary conditions for human existence and development,and providing the necessary raw materials for life and production.Ecosystem services include product supply,cultural services,water conservation,carbon fixation and oxygen release,water purification and other services.Ecosystem services are the basis for the survival and development of human society.The calculation of the total ecosystem production in 2000,2010 and 2018 in southern Jiangxi enables people to realize the great value and potential of ecosystem services in this region and the benefits that the ecosystem provides to people.According to the location of the research area and the research of other scholars,using software such as Arc GIS and In VEST,Directly from the value of ecosystem products supply(supply),regulating the service value(water conservation,soil conservation,flood regulation,climate regulation,and carbon sequestration oxygen release,water purification,air purification)and cultural service value(landscape recreation)3 kinds big 9 function index to calculate the jiangxi region in 2000,2010 and 2018 the supply and value of ecosystem services The amount.Based on the results of accounting,this paper further explores the spatiotemporal evolution and driving forces of GEP,and on this basis,puts forward some suggestions for the improvement of GEP.(1)Exploringthe spatial and temporal evolution of GEP in southern Jiangxi,it is found that different regulatory services have different spatial and temporal evolution patterns.From spatial distribution,water conservation,soil conservation,air purification,carbon oxygen release of spatial distribution have the same pattern,is it,nankang region ability is low,worship in yixian ability is higher,moreover yudu,and rejuvenating the country,shicheng county,such as water conservation capacity is higher,the ability is in medium level,longnan,on the other hand,the south and the south area.However,climate regulation and water environment purification are opposite to water conservation,soil conservation,air purification,carbon sequestration and oxygen release.Zhanggong District and Nankang City have a higher capacity,followed by the northern one and the southern one.There are many reasons for this difference.(2)Analyze the driving forces affecting GEP in southern Jiangxi.The analysis is carried out from three aspects: land use,topography and social and economic factors.According to the analysis,land use,topography and social and economic factors all have a certain relationship with the adjustment service,and are all the driving factors of the adjustment service change,and there is a certain relationship among the three factors.Land use has a direct impact on the size of regulation services,and the more woodland cover and water system,the higher the value of the corresponding regulation services.Different landforms will have a certain impact on land use,so that the value of the regulation service carried by different landforms is different.The socio-economic impact on regulatory services is influenced by the topography.(3)Based on the study of the driving forces of GEP and the coupling coordination model,this paper takes agriculture as an example and analyzes the development of agro-ecological economic system to understand the development process of agricultural system and the impact of development on the ecological environment.In addition,combined with the study of the gross production value of the ecosystem in southern Jiangxi,The way to improve the gross product of the ecosystem in southern Jiangxi was put forward.