Emergy Analysis of the Agricultural Eco-economic System in Dongting Lake Area of Hunan Province

作     者：Yulin Zhu Chang Tan Mingjie Li Yuzi Long Maoxi Wang Maozhang Hou Xiaomin Li 

作者机构：School of EconomicsCentral South University of Forestry and Technology Agricultural and Forestry Economics Research CenterCentral South University of Forestry and Technology 

出 版 物：《Meteorological and Environmental Research》 (气象与环境研究（英文版）)

年 卷 期：2013年第4卷第11期

页      面：63-66页

学科分类：083305[工学-城乡生态环境与基础设施规划] 08[工学] 0833[工学-城乡规划学] 

基　　金：Supported by National Social Science Fund Project,China(11BJY029) Key Project of Soft Science in Hunan Province,China(2011ZK2046) Social Science Fund Project of Hunan Province,China(2010YBB348) Science Research Project of Department of Education in Hunan Province,China(12C0465) 

主　　题：Emergy analysis Agro-ecosystem Dongting Lake area China 

摘      要：[ Objective] The reseamh aimed to discuss eco-efficiency of the agro-ecosystem in Dongting Lake area of Hunan. [ Method] By referring to emergy reseamh method, emergy structure, function and efficiency of the system were analyzed according to emergy input -output data of the system in 2009. [ Result] The system had developed economy, and mechanization and modernization degrees were higher. Emergy output of the system was unbalanced, and market pricing of the agricultural product was significantly lower, especially farming product. Seen from sustainable development index and environmental loading ratio of the system, the system was full of vitality and development potential. The pressure of natural resources and environment was not very great, but the system accommodated too many populations. [ Conclusion] Basic direction of the agricultur- al policy in the zone was further shortening industrial and agricultural price scissors, continuing to implement price protection of the farming product, adjusting agricultural and product structures and transferring surplus labor.