Study on Consistent Agricultural Compensation Standards for Ecosystem and Ecological Value Establishment of value-realization mechanism for ecological products in provincial management level: A case study in Yunnan A study on fiscal and taxation policies for ecological compensation A study on ecological operation of web IP industrial chain Nonfarm employment, agricultural machinery service purchase and agricultural production efficiency:An empirical study based on China's major wheat-producing areas The evolution analysis of agricultural global value chains Construction of industrial ecological chain for characteristic small town:A case study of VR Town at Gui-An New District Land use scenarios simuLation in ecoLogicaL conservation area:a case study of miyun district;Beijing ReseaRch on the tRansmission mechanism of low-caRbon policies:an empiRical study of agRicultuRal companies A study on the innovAtion of regionAl environmentAl mAnAgement mechAnism in Beijing;tiAnjin And heBei AreA within the BAckground of ecologicAl civilizAtion