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[1]LI Qi-rui,WANG Ji-jun.Evolution of Commodity-oriented Agro-ecosystem under Grain for Green Project in Ansai County[J].Research of Soil and Water Conservation,2011,18(03):97-101.

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Evolution of Commodity-oriented Agro-ecosystem under Grain for Green Project in Ansai County

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 18 Number of periods: 2011 03 Page number: 97-101 Column: Public date: 2011-06-20

Title:: Evolution of Commodity-oriented Agro-ecosystem under Grain for Green Project in Ansai County

Author(s):: LI Qi-rui¹, WANG Ji-jun^1,2; 1. College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, China;
2. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi 712100, China

Keywords:: commodity-oriented agro-ecosystem; ecological niche; grey correlation grade; evolution situation; influencing factor; Ansai county

CLC:: Q14;X24

DOI:: -

Abstract:: For probing into the evolution situation and influencing factors of commodity-oriented agro-ecosystem(CA) under the Grain for Green Project,the composite evaluation index of agricultural eco-economic system was built by referring to previous results.The evolution of CA in Ansai County from 1998 to 2008 was analyzed by utilizing the polygon synthesis indicator approach and the grey correlation analysis approach.Results showed that:complex ecological niche of CA advanced significantly.Meanwhile,influencing factors for system development varied.According to the complex ecological niche curves,currently,agro-resources and economic benefit were the main influencing factors for the development of CA.In the future,the ecological agro-system development would be promoted by improving the resource-utilization efficiency and optimizing the consistency between industry and resources.

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