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- W899732798 abstract "According to domestic research results of land ecological security and the utilization characteristics of land resources in Lianyungang city,the paper built land ecological security assessment index system based on the pressure-state-response model,and the entropy weight method was used to determine the weight of each index.The land ecological security of Lianyungang city during 2000 ～ 2009 was evaluated by using weighted summation.The results showed that the comprehensive index of land ecological security increased from 0.4139 to 0.6069 during 2000 ～ 2009,indicating that the overall land ecological security had a rising trend.As for each subsystem,the land ecological pressure index in Lianyungang city gradually declined with fluctuation,and the land ecological pressure was constantly increasing.The land ecological security status became deteriorated.With the increase of input,the security situation of the response system revealed a gradual rising trend.The arable land area proportion,urbanization level,power of agricultural machinery per hectare cultivated land,per capita GDP and per capita arable land area had great influence on land ecological security in Lianyungang." @default.
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- W899732798 date "2013-01-01" @default.
- W899732798 modified "2023-09-22" @default.
- W899732798 title "Dynamic Evaluation of Land Ecological Security in Lianyungang City" @default.
- W899732798 hasPublicationYear "2013" @default.
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