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[1]WANG Cai-jun,YOU Yong,ZUO Tai-an,et al.Land Quality Evaluation Rocky Desertification Areas Based on Entropy and Gray Correlation Method——A Case Study in Bijie[J].Research of Soil and Water Conservation,2011,18(04):218-222.

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Land Quality Evaluation Rocky Desertification Areas Based on Entropy and Gray Correlation Method——A Case Study in Bijie

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 18 Number of periods: 2011 04 Page number: 218-222 Column: Public date: 2011-08-20

Title:: Land Quality Evaluation Rocky Desertification Areas Based on Entropy and Gray Correlation Method——A Case Study in Bijie

Author(s):: WANG Cai-jun^1,2, YOU Yong³, ZUO Tai-an³, SUN De-liang¹; 1. Department of Geography, Chongqing Normal University, Chongqing 400047, China;
2. Key Laboratory of GIS Application, Chongqing Municipal Education Commission, Chongqing 400047, China;
3. Bijie Science and Technology Information Institute, Bijie, Guizhou 551700, China

Keywords:: land quality evaluation; rocky desertification; entropy and gray correlation method; Bijie experimental area

CLC:: F323.211

DOI:: -

Abstract:: Bijie experimental area is one of the wildly distributed Karst place, where mountain is steep, land is rare, and rocky desertification is serious. In 2008, we implemented the rocky desertification control project in a hundred counties, and the eight counties of Bijie experimental area among them. Taking the Bijie experimental area as the case study, selecting the most closely influencing factors, we established the land quality indicator system. Based on the Entropy and Gray Correlation Method, we made the land quality evaluation. The result indicates that the sequence from good to badness is followed by Weining, Jinsha, Qianxi, Bijie, Hezhang, Zhijin, Nayong. Weining and Jinsha fall into good level, the rest of the counties are more average. The paper provides the correct method to land quality evaluation and assessment of the ecological restoration.

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