中文摘要：

区划是地理学的重要研究内容。从旅游发展潜力出发,以江苏省常熟市为例,探讨县域单元旅游空间功能区划方法。综合分析各个已有的区划,并对其进行叠置和合并分析,确定功能区的基本单元。从城镇影响、社会经济、交通可达、资源影响四个方面构建旅游经济发展潜力评价指标体系,评价县域单元的旅游发展潜力,发现常熟市旅游发展潜力呈现出以县城为中心的圈层空间结构,并向南部突出。在此基础上,评价各个基本单元的旅游发展潜力,将其划分为重点发展区、引导发展区、限制发展区、不宜发展区四类功能区,重点发展区和引导发展区依托县城优越的基础设施服务,呈现出集中分布的特征。限制发展区和不宜发展区数量最多,覆盖区域最大,多分布在县域单元的外部,距离县城相对较远,旅游发展难度相对较大。

英文摘要：

Regionalization is the important research content in geography.This paper explores the functional regionalization of tourism space in the unit of county administrative division,in a study of Changshu,proceeding from the analysis of tourism development potential.In order to determine the basic unit of functional regions,the paper first makes a comprehensive analysis as well as overlay and merging analysis of all existing divisions.Then it constructs an evaluation system of tourism economy development potential involving four indexes of the urban influence,socio-economy,transport accessibility,and resource implication.By evaluating the tourism development potential of county units,it is found that Changshu presents a spatial circle structure with the county centered and the greatest potential in the south and can be divided into four kinds of functional regions which refer to key development area,guiding development area,limited development area and unfavorable development area.It comes to the conclusion that key development area and guiding development area express the characteristics of a centralized distribution relying on the superior infrastructure and service of the county,whereas limited development area and unfavorable development area,which have the largest number and coverage area,have more difficulty in tourism development due to their distribution outside the county and a relatively far distance.