中文摘要：

研究分析了程潮铁矿土地生态安全与矿业生产活动、矿山资源环境和社会经济背景间潜在的因果关系链，基于PSR建立了程潮铁矿土地生态安全的物元评价模型并进行了应用。

英文摘要：

The study has analyzed the potential causal chains between the land ecological security of Chengchao Iron Mine and the activities in mining production ,the environment of mine resource and the social -economic background .On the base of PSR ,a matter-element evaluation model of land ecological security has been established and applied in Chengchao Iron Mine .