LI Jiawei,LI Xiaoyan,KANG Xin,et al.Spatial Evolution Characteristics and Influencing Factors of Rural Residential Land in Tongyu County, Jilin Province[J].Research of Soil and Water Conservation,2017,24(03):221-226.
吉林省通榆县农村居民地空间演变特征及影响因素
- Title:
- Spatial Evolution Characteristics and Influencing Factors of Rural Residential Land in Tongyu County, Jilin Province
- Keywords:
- GIS; rural residential; spatial pattern; landscape pattern; Tongyu County
- 分类号:
- F301.24
- 摘要:
- 农村居民地空间格局及其动态变化研究有利于因地制宜进行居民地的整理与优化，促进农村土地的集约利用。以吉林省西部通榆县为研究区，运用GIS技术和空间分析模型，定量分析了通榆县1955年、1990年、2013年农村居民地的时空变化及空间模式的演变，并选取景观格局指数对影响农村居民地布局特征的因素进行了深入分析。结果表明：居民地聚集度排序为：1955年 > 1990年 > 2013年。在空间尺度为45 km处，3个时期的居民地聚集程度最大，表明居民地的聚集度随着空间尺度的增加呈先增加再下降的趋势。坡度、道路和水域等景观要素对通榆县农村居民地的布局有显著影响，随着坡度和距道路、水域距离的增加，农村居民地的斑块数都有不同程度的减少。1955—2013年人口的变化与居民地面积的变化具有一致性，人口膨胀是该县居民地向外扩张的重要原因。该研究可为农村居民地的空间布局提供决策依据，为新农村建设、增减挂钩规划、农村土地综合整治等提供应用参考。
- Abstract:
- The spatial pattern of rural residents and its dynamic changes are conducive to the consolidation and optimization of residential areas, and to promote the intensive use of rural land use. Tongyu County in the west of Jilin Province was selected as the study area in this paper, GIS technology and spatial analysis model were used for quantitative analysis of the temporal and spatial variation and the evolution of spatial patterns of Tongyu County in 1955, 1990 and 2013 rural residents, and factors affecting the characteristics of rural residential land layout were analyzed in-depth by selecting the landscape pattern index. The results showed that residential areas gathered in the order: 1955 > 1990 > 2013. At the spatial scale of 45 km, three periods of residential areas gathered to the maximum extent, which indicates that the aggregation degree of the residential area increased at first and then decreased with the increase of spatial scale. Landscape elements such as slope, road and waters have a significant impact on the layout of rural residential land in Tongyu County. With the increase of slope and the distance from the road and the water bodies, the number of patches of the rural residential areas has varying degrees of reduction. The change of population was consistent with the change of residential area in 1955—2013. Population expansion is an important reason for the expansion of the residential area. This study can provide decision-making basis for the spatial layout of rural residential land, and provide the application reference for the new rural construction, increase or decrease hook, and the comprehensive improvement of rural land.
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备注/Memo
收稿日期:2016-04-26;改回日期:2016-06-01。
基金项目:国家自然科学基金“基于优化植被指数的草本湿地植被净初级生产力遥感估算”（41371403）
作者简介:李佳薇(1994-),女,吉林省吉林市人,本科生,研究方向为地理科学。E-mail:lijiawei1024@qq.com
通讯作者:李晓燕(1975-),女(蒙古族),内蒙古阿拉善人,副教授,主要从事资源环境遥感与GIS应用教学与科研工作。E-mail:lxyan@jlu.edu.cn