一项关于中国人口城市化与土地城市化不匹配的区域比较研究
1School of Marxism, Yunnan Normal University, Kunming, Yunnan, le.
PloS one
|June 30, 2023
概括
中国中国中国中国.
科学领域:
- 城市研究 城市研究
- 区域科学 地区科学
- 经济地理 经济地理
背景情况:
- 中国快速的城市化导致了人口增长和土地开发之间的巨大差异.
- 自20世纪80年代中期以来,向以市场为导向的土地销售的过渡影响了城市化模式.
- 了解城市化失衡的空间和时间动态对于可持续发展至关重要.
研究的目的:
- 从2005年到2019年,测量和分析中国31个省份人口城市化和土地城市化之间的不平衡.
- 确定这种城市化失衡的时间和空间特征.
- 探索观察到的差异的根本原因.
主要方法:
- 利用了2005-2019年城市人口和建筑区的省级数据.
- 采用分散系数模型来量化人口和土地城市化.
- 可视化和分析不平衡的水平和类型,包括区域和时间变化.
主要成果:
- 在中国,人口和土地城市化之间存在显著的不平衡,特别是在国有土地市场化之后.
- 不平衡显示出明显的区域差异,从中部地区增加到西部地区.
- 大多数省份 (共31个省份中的29个) 与土地开发相比,人口城市化滞后,北京和河北是例外.
结论:
- 中国的城市化进程的特点是人口增长和土地扩张的明显脱.
- 双重家庭登记 (hukou) 制度,双重土地制度和不对称的财政制度是这种不平衡的关键驱动因素.
- 解决这些系统性问题对于实现中国平衡和可持续的城市发展至关重要.
相关概念视频
Manipulation and Analysis
44
GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...
44
Threats to Biodiversity
22.4K
There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species that adapted to the new conditions. In the current geological epoch, the Holocene, there is a sixth extinction event in progress. This mass extinction has been attributed to human activities and is thus provisionally called the Anthropocene. In 2019 the human population reached 7.7 billion people and is projected to comprise 10 billion by...
22.4K
Analysis of Population Pharmacokinetic Data
300
Analysis of population pharmacokinetic data involves studying the behavior of drugs within diverse populations to understand their pharmacokinetic parameters. Traditional pharmacokinetic methods typically involve collecting samples from a few individuals and estimating these parameters. While these methods are commonly used, they have limitations in capturing the variability in drug response among individuals or heterogeneous populations. Population pharmacokinetics is employed to address these...
300
Habitat Fragmentation
17.7K
Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
17.7K
Cross-Sectional Research
11.4K
In cross-sectional research, a researcher compares multiple segments of the population at the same time. If they were interested in people's dietary habits, the researcher might directly compare different groups of people by age. Instead of following a group of people for 20 years to see how their dietary habits changed from decade to decade, the researcher would study a group of 20-year-old individuals and compare them to a group of 30-year-old individuals and a group of 40-year-old...
11.4K
Data Collection by Observations
12.1K
Data collection refers to a systematic way of obtaining, observing, measuring, and analyzing accurate information. Observational studies are one of the most widely used methods of data collection. It involves collecting data by observing the behavior and physical characteristics of a sample without making any modifications to the sample.
An astronomer viewing the motion and brightness of stars in the sky and recording the data is an example of observational data collection. A botanist recording...
An astronomer viewing the motion and brightness of stars in the sky and recording the data is an example of observational data collection. A botanist recording...
12.1K


