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Sustainable development of circular economy is to become the world trend and fashion in the context of economic development put forward its efficient use of resources as the core, low extraction, high utilization, low emissions as the basic features, is to solve the economic social development and environmental resource conflicts strategic actions, is an important way to achieve sustainable development. Therefore, the development of recycling economy, the Southern way of mineral resources, biological resources and rich tourism resources, the State South headwaters important ecological function areas, has very important significance. This paper summarizes the practice of circular economy at home and abroad based on the recycling economy, clean production and eco-economic theory, for the socio-economic situation in southern Shaanxi, resource endowments and environmental characteristics, analyzes the Southern county circular economy development advantages conditions and restrictions factors, constructed in southern Shaanxi county circular economy evaluation index system is proposed Southern county general idea of ??circular economy, the overall framework and the basic model. Finally Xixiang County, for example, an empirical study. This study made the following conclusions: (a) from the resource endowment and socio-economic development foundation, discusses the development of recycling economy in Southern Shaanxi necessity, a clear southern Shaanxi county circular economy development advantages conditions and restrictions. Southern county circular economy development advantages conditions: First, the position is superior; Second, mineral, biological, water, rich in tourism resources; Three is a good foundation for the development of circular economy. But also by the weak industrial base, ecological environment is fragile, poor traffic conditions, lack of funds, personnel skills shortages and other factors. (2) to establish a Southern county circular economy evaluation index system and evaluation model was constructed. Evaluation system selects representative statistical indicators by economic and social development of recycling economy construction, ecological environment construction of three large-scale systems, nine elements, 26 indicators form; evaluation model using principal component analysis to evaluate the county circular economy level of development. (3) According to the circular economy, clean production and eco-economic theory, for the Southern resource endowments and environmental characteristics, proposed Southern county industrial development of interactive general idea of ??recycling economy development, and the establishment of a recycling-based industrial system development basic model . Recycling-based industrial system including resource recycling industry, ecological agriculture, eco-tourism and vein industry, resources and energy through the complementary relationship between the four major industries to establish interactive development, constitute the overall development of the macroeconomic county recycling economy development model . (4) used to establish the Southern county circular economy evaluation index system and evaluation model Xixiang circulating levels of economic development were evaluated, the evaluation results show: 2004 -2009 Xixiang good momentum of development of circular economy. (5) the use of the county in southern Shaanxi established in this paper the basic cycle of economic development, and proposes the development of recycling economy Xixiang specific mode. In the industrial sector to establish a \interactive mode of development, industry and vein industry combined areas of social life and consumption combined with venous industry development model.
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