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人文地理  2016, Vol. 31 Issue (1): 89-93,139    DOI: 10.13959/j.issn.1003-2398.2016.01.012
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江南丘陵区农村居民点空间演变特征及影响因素研究——以长沙市为例
谭雪兰1,2, 张炎思1, 谭洁1, 任辉1, 朱永霞1, 欧聪1, 周国华2
1. 湖南农业大学资源环境学院, 长沙 410128;
2. 湖南师范大学资源与环境学院, 长沙 410081
STUDY ON THE SPATIAL EVOLUTION CHARACTERISTICS AND INFLUENT FACTORS OF RURAL RESIDENTIALAREA IN THE SOUTH OF YANGTZE RIVER: A CASE STUDY OF CHANGSHA
TAN Xue-lan1,2, ZHANG Yan-si1, TAN Jie1, REN Hui1, ZHU Yong-xia1, OU Cong1, ZHOU Guo-hua2
1. College of Resources and Environment, Hunan Agricultural University, Changsha 410128, China;
2. Department of Resources and Environment Science, Hunan Normal University, Changsha 410081, China

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摘要 以江南丘陵区的长沙市为例,以1989年和2013年的Landsat TM影像及DEM为数据,应用GIS空间分析方法,对长沙市1989-2013年农村居民点空间演变的过程、格局、特征及影响因素进行研究。结果表明:①农村居民点密度不断加大,居民点空间扩展特征显著,但居民点布局较为分散;②农村居民点用地布局低地指向性特征明显,不同地貌类型区的农村居民点地域分异特征较为显著;③农村居民点空间布局的道路和河流指向性特征明显,距离道路与河流越近,农村居民点面积越大,反之则越少;④自然环境决定了长沙市农村居民点总体空间布局,同时,经济发展、农村城镇化与工业化、交通条件、政策制度等因素对农村居民点空间演变具有重要的影响。
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关键词 农村居民点空间演变影响因素江南丘陵区长沙市    
Abstract:In recent years, land supply and demand contradiction is increasingly outstanding in China. The land base of rural residential area is experiencing a reverse development trend of "population decrease but land increase". Based on the TM images of 1989 and 2013, with the method of GIS statistical software, the spatial distribution and characteristics of rural residential area in Changsha from 1989 to 2013 is analyzed. In the recent 24 years, the class area(CA) of residential area in Changsha increase constantly, and the net increase is 3.03×104hm2; the mean patch size (MPS) increase from 0.425 to 0.552, The patch density(PD) takes on an increase trend, which was 0.167/km2 in 1989 while reached 0.176/km2 in 2013.the largest patch index (LPI) increase from 0.001 in 1989 to 0.005 in 2013.The results showed that:1) the density of rural residential area in Changsha was in an increasing tendency,and the characteristics of spatial expansion is obvious, but distribution of rural settlements was fragmented extremely; 2)the trend of the distribution centralized along the low altitude is obvious, the area and number of rural residential area in different altitude were obviously regionally differentiated; 3) the trend of the distribution centralized along the roads and rivers is obvious, with the increase of the distance from the rivers and the roads, the area of rural residential area decreased quickly; 4)the overall spatial distribution of rural residential area was decided by the natural conditions.
Key wordsrural residential area    spatial evolution    influent factors    the south of Yangtze River    Changsha   
收稿日期: 2014-11-25     
基金资助:

国家自然科学基金项目(41201175);湖南省哲学社会科学基金项目(14YBA209);湖南省科技厅软科学研究计划项目(2012ZK3147)

通讯作者: 周国华(1965-),男,湖南娄底人,教授,博士生导师,研究方向为城乡规划及乡村地理等。E-mail:uuy828@163.com。     E-mail: uuy828@163.com
作者简介: 谭雪兰(1978-),女,湖南株洲人,副教授,博士后,研究方向为城乡土地利用及农村聚落地理。E-mail:txl780120@163.com。
引用本文:   
谭雪兰, 张炎思, 谭洁, 任辉, 朱永霞, 欧聪, 周国华. 江南丘陵区农村居民点空间演变特征及影响因素研究——以长沙市为例[J]. 人文地理, 2016, 31(1): 89-93,139. TAN Xue-lan, ZHANG Yan-si, TAN Jie, REN Hui, ZHU Yong-xia, OU Cong, ZHOU Guo-hua. STUDY ON THE SPATIAL EVOLUTION CHARACTERISTICS AND INFLUENT FACTORS OF RURAL RESIDENTIALAREA IN THE SOUTH OF YANGTZE RIVER: A CASE STUDY OF CHANGSHA. HUMAN GEOGRAPHY, 2016, 31(1): 89-93,139.
链接本文:  
http://rwdl.xisu.edu.cn/CN/10.13959/j.issn.1003-2398.2016.01.012      或     http://rwdl.xisu.edu.cn/CN/Y2016/V31/I1/89
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