引入面板数据聚类分析法对2008—2014年陕西省各市土地生态安全进行评价,并在此基础上进一步探讨区域经济发展与土地生态安全之间的关系.结果表明:陕西省各市土地生态安全水平可分为3个层次,第一层次为西安市,第二层次包括商洛、汉中和安康市,第三层次包括宝鸡、咸阳、榆林、渭南、铜川和延安市.3个层次存在明显的区域内相似性和区域间分异性;经济发展和土地生态安全水平之间较为符合环境库兹涅茨曲线倒"U"型关系,其中西安市可能已经达到或超过了"拐点",陕南各地处于该曲线的"起点",其余地区则位于"起点"和"拐点"之间的上升区域.%Panel data cluster analysis was introduced to evaluate land ecological security in Shaanxi Province during 2008—2014.In addition, the relationship between regional economic development and land ecological secu-rity was discussed .The results were as follows:Land ecological security level could be divided into three levels in Shaanxi Province , the first level only included Xi ' an, the second level contained Shangluo , Hanzhong and An-kang, the third level consisted of Xianyang , Baoji, Yulin, Weinan, Tongchuan and Yan'an.There was significant similarity of intra-regional and difference of inter-regional in three levels;Regional economic development and land ecological security level was more in line with the environmental Kuznets curve-reverse U relation, Xi'an may have been reached or exceeded the infection point , southern Shaanxi may be located around the starting point of the curve , other areas may be located between the starting point and infection point with a rising trend .
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