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Emergy Analysis of Agro-ecosystem in Poyang Lake Area

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By using emergy analysis theory and methods,we conduct quantitative analysis on the input and output of emergy,and sustainable development of agro-ecological system in Poyang Lake Area. The results show that compared with the national average,the environmental loading ratio is relatively low in this area; the net emergy yield rate is high; the sustainable development ability is strong. Finally according to the results of emergy analysis,corresponding countermeasures are put forward as follows: develop agriculture based on the existing rich natural resources; increase technological inputs; develop circular agriculture; promote sustainable agricultural development.

Emergy analysisAgro-ecological systemPoyang Lake AreaSustainable development indexChina

PAN Xing-xia、HE Yi-qing

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School of Economics and Management,Nanchang University,Nanchang 330031,China

School of Mathematics and Information Science, Nanchang Hangkong University,Nanchang 330063,China

Systems Engineering Research Institute,Nanchang University,Nanchang 330031,China

Supported by the National Natural Science Foundation of ChinaEleventh Five - Year Plan Social Sciences Project in Jiangxi ProvinceScience and Technology Project of the Education Department of Jiangxi Province

7106301510YJ61GJJ11271

2011

ISSN：
年,卷(期)：2011.(8)
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