| 摘要: |
| 根据1996—2008年全国统计数据和土地利用变更调查数据,对我国建设用地集约利用时空变化特征进行分析,揭示变化规律和趋势,为我国制定建设用地的调整方向和利用目标提供决策依据。从建设用地利用结构、承载能力和利用效率3个方面构建了建设用地集约利用评价指标体系,以省级尺度为评价单元,从不同评价指标出发,分析建设用地集约利用时间和空间变化趋势。研究结果表明:1996—2008年,我国建设用地利用结构得到优化和承载能力有所提高,但利用效率存在下降趋势,同时各省份评价单项指标的集约利用幅度存在显著的空间差异。我国各区域建设用地集约利用水平与经济发展水平相关,总体趋势为东南沿海区高于西北内陆区,经济发达区高于经济落后区;针对不同省份,未来建设用地集约利用水平的提高应根据时空变化规律着力于不同方向。 |
| 关键词: 建设用地 集约利用 时空变化 空间特征 |
| DOI：10.11841/j.issn.1007-4333.2013.05.24 |
| 投稿时间：2013-03-13 |
| 基金项目:国土资源部公益性行业科研专项(201011006-3) |
|
| Spatial-temporal changes of China’s construction land intensive use |
|
ZHANG Xue-liang, KONG Xiang-bin, ZHAO Jing, CHENG Jia
|
| (College of Resources and Environmental Sciences/Cultivated Land Quality Detection Key Laboratoryof Ministry of Land and Resources, China Agricultural University, Beijing 100193, China) |
| Abstract: |
| Based on the data from China Statistics and National Land Use Database between 1996 and 2008,the intensive use of construction land was evaluated through analyzing the characteristics of its spatial-temporal change.The purpose was to provide a decision basis for policy making to regulate the macro-policy for intensive use construction land and the direction for the construction land use in China.The evaluation index systems from three aspects were utility ratio,bearing capacity and utilization efficiency of construction land.The results indicated that China's construction land underwent a certain increase in the utility ratio,output capacity and utilization efficiency from 1996 to 2008.There was an enhancement of intensive use level.However,different provinces had different level.The intensity of construction land use in different regions was interrelated to economic development,higher in southeast coastal areas,but lower in northwest inland area with slow economic development.Therefore,the improvement in intensive use level of construction land should be in accordance with the law of spatial-temporal changes in China. |
| Key words: construction land intensive use spatial-temporal changes spatial characteristics |
