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引用本文:黄天能,李江风,温雪,陆汝成.桂西资源富集区土地利用转化的时空特征[J].中国农业资源与区划,2020,41(12):171~179
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桂西资源富集区土地利用转化的时空特征
黄天能1,2李江风1※温雪2陆汝成3
1.中国地质大学(武汉)公共管理学院,湖北武汉430074; 2.广西财经学院经济与贸易学院,南宁530003; 3.南宁师范大学自然资源与测绘学院,广西南宁530001
摘要:
[目的]多维度多时序区域土地利用转化度量,揭示土地利用转化特征和动力机制,是区域国土空间规划和管制的重要依据。[方法]基于GIS空间分析、土地利用交换变化率、空间分离度等方法,研究1995—2015年桂西资源富集区各时段土地利用转化的时空特征。[结果](1)研究初期主要表现为农用地之间的相互转换,后期土地利用转化类型复杂多样,建设用地面积较研究初期大幅增加。(2)土地利用转化强度随时间变化由北部向南部转移,各时期土地利用转移强烈程度地域分布及转移类型有所差异。(3)研究期初和期末土地利用转化空间分离度平均值较中间时期更大。(4)土地利用转化与地理位置、地形地貌、矿产开采及加工、人口转移及劳动力构成、国家政策等因素有关。[结论]短时期内资源型地区受人类活动干扰强烈,土地利用转化活跃,分析其转化特征对统筹协调区域国土资源开发利用和保护具有重要意义。
关键词:  土地利用转化时空特征土地利用交换变化率空间分离度桂西资源富集区
DOI:
分类号:F0621
基金项目:2020年度广西壮族自治区科协资助青年科技工作者专项课题“基于土地利用视角的广西边境地区乡村振兴政策优化研究”([2020]ZB-10);2020年度广西财经学院陆海经济一体化协同创新中心研究项目“我国中越边境地区土地利用格局演变对其经济发展的影响研究”(2020C12);2020年度广西财经学院广西金融与经济研究院开放性资助课题“中越边境地区土地利用结构与产业结构演变的关联性研究”(2020JJYB05);国家自然科学基金项目“跨国界土地利用变化与疆土安全研究——以中越陆地国界广西段为例”(41661109)
TEMPORAL AND SPATIAL CHARACTERISTICS OF LAND USE TRANSFORMATION INTHE RESOURCE RICH AREA OF WESTERN GUANGXI
Huang Tianneng1,2, Li Jiangfeng1※, Wen Xue2, Lu Rucheng3
1.School of Public Administration, China University of Geosciences, Wuhan 430074, Hubei, China;2. Economic and Trade College, Guangxi University of Finance and Economics, Nanning 530003, Guangxi, China;3. School of Natural Resources and Surveying, Nanning Normal University, Nanning 530001, Guangxi, China
Abstract:
Measuring land use transformation in multi dimensional and multi sequence regions and revealing the characteristics and dynamic mechanism of land use transformation are important basis for regional land planning and regulation. Based on GIS spatial analysis, land use exchange change rate and spatial separation degree, this paper studied the temporal and spatial characteristics of land use transformation in various time periods of western Guangxi resource enrichment area from 1995 to 2015. The results were showed as follows. ①At the beginning of the research, the main manifestation was the mutual conversion between agricultural land. In the later stage, the types of land use transformation were complex and diverse, and the area of construction land increased significantly compared with the initial stage of research. ②The intensity of land use transformation shifted from the north to the south with time. The geographical distribution of land use transfer intensity and the type of transfer varied in different periods. ③The average spatial separation degree of land use transformation at the beginning and end of the study period was larger than that in the middle period.④Land use transformation was related to geographical location, topography, mineral exploitation and processing, population transfer, labor composition, and national policies. In a short period of time, resource based areas are strongly interfered by human activities, and land use transformation is active. The analysis of their transformation characteristics is of great significance for the overall coordination of regional land resources development, utilization and protection.
Key words:  land use transformation  spatiotemporal characteristics  land use exchange change rate  spatial separation degree  resource rich area of western Guangxi
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