中文摘要：

以延安市雷谷川山地型聚落为例,选取庭院为研究对象,宏观分析了黄土高原中、小流域集聚的大量村镇人口在城市化进程中,在流域内部和之间迁徙的规律,探索了小流域聚落在动态整合过程中的空间形态,结果提出依托流域的串珠式结构、复合经济和能源利用的庭院规模以及依存山地自然生态的住宅密度等方面聚落生态安全发展的模式.

英文摘要：

With the research of the case of residential area in Lei Guchuan valley amidst the mountainous region in Yan＇an City,the courtyards were selected as the research object.By microscopically analyzing the law of migration among small valleys of village people who inhabited in media or small valley on the loess plateau,we discovered the space pattern integrated law in the Lei Guchuan valley.As a conclusion,the series connection pearl structure of village relying on the valley and suitable size of courtyard were proposed.Furthermore,a safe-developing model for the residential area was proposed with reference to the space form,structure and densities of courtyards.