[1]ZHANG Xiao-yuan,ZHOU Qi-gang,ZHANG Jian-jun.Land Use Ecological Risk Evaluation of the Barrier Area of Three Gorges Reservoir Area in Chongqing Based on Comprehensive Fuzzy Evaluation[J].Research of Soil and Water Conservation,2013,20(06):262-266,301.
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Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
20
Number of periods:
2013 06
Page number:
262-266,301
Column:
Public date:
2013-12-28
- Title:
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Land Use Ecological Risk Evaluation of the Barrier Area of Three Gorges Reservoir Area in Chongqing Based on Comprehensive Fuzzy Evaluation
- Author(s):
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ZHANG Xiao-yuan, ZHOU Qi-gang, ZHANG Jian-jun
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School of Tourism and Land Resources, Chongqing Technology and Business University, Chongqing 400067, China
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- Keywords:
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land use; ecological risk evaluation; comprehensive fuzzy evaluation; the barrier area of three gorges reservoir area
- CLC:
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F323.211
- DOI:
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- Abstract:
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Land use changes directly affect the ecological processes, the impact of different land use types of regional ecological risk is different. The data sources include the Landsat TM remote sensing data, social and economic data and environmental monitoring data of The Three Gorges Reservoir Area in 2007 and 2010. The evaluation index system was built based on the PSR mode. And the evaluation model was set up by using the method of comprehensive fuzzy analysis to evaluate the land use ecological risks of the Barrier Area of Three Gorges Reservoir Area. The results indicated that the main land use ecological risks of the Barrier Area of Three Gorges Reservoir Area in Chongqing is moderate risk. From 2007 to 2010, the land use ecological risk exacerbated. The land use ecological risk levels of Changshou, Fengjie, Jiangjin, Wuxi, Yunyang increased. And land use ecological risks levels of Shizhu and Wushan reduced. From northeast to southwest, the land use ecological risk gradually reduced. From 2007 to 2010, the area of the highest and higher risks level became more, and low risk area disappeared. The results can offer reference value for land rational use and ecological protection of the Three Gorges Reservoir Area.