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Interface Theory and Ecological Safety Analysis of Ecological Fragile Zone

GAO Shuang et al(College of Agronomy,Shenyang Agricultural University,Shenyang,Liaoning 110161)  
The ecological security of ecological fragile zone is a hot issue in today's ecology study.The interface theory in agro-ecosystem was combined with the ecological fragile zone,which was a hetero-transition region in landscape ecology.Starting from the basic concept of interface theory,ecological fragile zone,ecological security,the correlation between the interface and ecological fragile zone was analyzed from two aspects of the basic characteristics and structural features.The study progresses at home and abroad were summarized.The advantages and disadvantages of the study methods,such as geographic boundary method,RS and GIS method and moving split-window method were compared.Based on this,the ecological safety in ecological fragile zone was predicted.
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