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On the basis of Press-State-Response framework model to build land ecological security assessment index system, this paper takes Dong Sheng district as the case, applied the difference value method, by the use of entropy weight to determine the weight, the land ecological security index were calculated, and then evaluated land ecological security of Dong Sheng district During 2005—2014.The results show that comprehensive value of land resources ecological security was 0.3919 in 2008, while it is 0.3496 in 2011, the land ecological safety is in a “sensitive level”, which is in “good grade” in 2014, at the value of 0.5674, with an obvious increase. In all comprehensive assessment indexes, the Land ecological pressure index has highest rate of contribution, which is indicating that the improvement of land ecological security of Dong Sheng is mainly rely on land desertification rate and urbanization rate. Keywords—land ecological security evaluation; index system; Dong Sheng District

Security Evaluation of Land Ecology in Dong Sheng District during 2005-2014