| 湖南农业生态经济系统能值分析 |
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| 引用本文： | 吴磊,向平安.湖南农业生态经济系统能值分析[J].湖南农业科学,2011(17):66-70. |
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| 作者姓名： | 吴磊 向平安 |
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| 作者单位： | 1. 湖南农业大学学生工作部,湖南长沙,410128
2. 湖南农业大学园艺园林学院,湖南长沙,410128 |
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| 基金项目： | 湖南省自然基金资助项目(09JJ3128) |
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| 摘 要： | 以湖南农业生态经济系统为研究对象,应用能值理论和方法,对2008年湖南农业生态经济系统运行状况进行了研究,并对反映系统结构功能的能值指标以及系统的可持续发展状况进行了深入分析,结果表明:湖南农业生态经济系统环境贡献率、能值自给率比较低；经济能值投入率、净能值产出率、环境负载率、能值投资率比较高；可持续发展性能比较合理....
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| 关 键 词： | 农业生态经济系统 能值 指标体系 |
Emergy Analysis for Agricultural Eco-economic System in Hunan Province |
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| WU Lei,XIANG Ping-an.Emergy Analysis for Agricultural Eco-economic System in Hunan Province[J].Hunan Agricultural Sciences,2011(17):66-70. |
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| Authors: | WU Lei XIANG Ping-an |
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| Institution: | WU Lei1,XIANG Ping-an2(1.Students Affair Office,HNAU,Changsha 410128,PRC,2.College of Horticulture and Landscape,PRC)) |
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| Abstract: | The operating status of agricultural eco-economic system in Hunan Province in 2008 was studied by using emergy theory and method,and the emergy index which can reflect system structure and functions and the sustainable developmental status of the system were analyzed deeply.The results showed that the agricultural eco-economic system in Hunan Province has low environmental contribution ratio and emergy self-sufficiency ratio and high economic emergy investment ratio,net emergy yield ratio,environment load r... |
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| Keywords: | agricultural eco-economic system emergy index system |
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