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1.
Current situation and trend of arable land change in China   总被引:1,自引:0,他引:1  
IntroductionAlmost all the developing countries have experienced the decrease of cultivated land in the process of population growth, economic development and urbanization. The situation is more serious in China because of the huge amount of population and relative limited arable land. From 1986 to 1995, the cultivated land has decreased nearly 7 million hectares, the amount of annual decrease is 0.7 million hectares in China according to the available statistical data. But the real situation…  相似文献   

2.
1 IntroductionFor nearly half a century, in developed countries, the major problem of development has been lying in cities, but in underdeveloped ones, the problem lies in rural areas as well as in cities. Therefore, the development of both urban and rural areas is the theme of development of developing countries. China has the largest rural population in the world. With a high percentage of rural population, China is a developing country in which the rural social and economic activities take…  相似文献   

3.
China has witnessed unprecedented urbanization over the past decades.The rapid expansion of urban population has been dominantly contributed by the floating population from rural areas,of which the spatiotemporal patterns,driving forces,and multidimensional effects are scrutinized and evaluated in this study by using the latest national censuses conducted in 2000 and 2010.Analysis based on the county-level data comes to conclusions as follows.The spatial pattern of floating population has remained stable over the first decade of the new century.The top 1%cities with the largest floating population received 45.5% of all migrants in China.As the rapid development of mega-city regions,the coastal concentration areas of floating population tended to geographically united as a whole,whereas the spatial distribution of migrants within each region varied significantly.The migrant concentration area in the Yangtze River Delta was the largest and its expansion was also the most salient.However,the floating population has growingly moved into provincial capitals and other big cities in the inland regions and its gravity center has moved northward for around 110 km during the study period.The spatial pattern of floating population has been formed jointly by the state and market forces in transitional China and the impacts of state forces have been surpassed by those of market forces in the country as a whole.The attractiveness of coastal cities and counties to the floating population comes mainly from the nonagricultural employment opportunities and public services,reflecting that long-distance and long-term migrants have moved coastward not only to gain employment but also to enjoy city life.By contrast,in the central and western regions,places with a higher economic development level and at a higher administrative level are more attractive to floating populations,demonstrating that the state remains to play an important role in allocating economic resources and promoting regional development in inland China.As the main body of new urban residents,the floating population has contributed substantially to the elevation of the urbanization levels of migrant-sending and-receiving places,by 20.0% nd 49.5% respectively.Compared with extensively investigated interprovincial migrants,intra-provincial migrants have higher intention and ability to permanently live in cities and thus might become the main force of China’s urbanization in the coming decades.The internal migration has also reshaped China’s urban system in terms of its hierarchical organization and spatial structure.  相似文献   

4.
On arable land changes in Shandong Province and their driving forces   总被引:3,自引:0,他引:3  
IntroductionAlmost all the provinces and autonomous regions in China have experienced decrease of arable land in the processes of economic development, population growth and urbanization. The situation is more serious in Shandong Province because of the big population and being an agricultural province. From 1949 to 1999, the arable land was decreased by more than 2 million ha in this province accompanied by rapid population growth. The total population in the province in 1999 was twice of t…  相似文献   

5.
Jing  Cheng  Tao  Hui  Jiang  Tong  Wang  Yanjun  Zhai  Jianqing  Cao  Lige  Su  Buda 《地理学报(英文版)》2020,30(1):68-84
The countries throughout the Belt and Road region account for more than 60% of the world's population and half of the global economy. Future changes in this area will have significant influences on the global economic growth, industrial structure and resource allocation. In this study, the proportion of the urban population to the total population and the gross domestic product were used to represent the levels of urbanization and economic development, respectively. The population, urbanization and economic levels of the Belt and Road countries for 2020–2050 were projected under the framework of the IPCC's shared socioeconomic pathways(SSPs), and the following conclusions are drawn.(1) The population, urbanization and economic levels in the Belt and Road region will likely increase under all five pathways. The population will increase by 2%–8%/10 a during 2020–2050 and reach 5.0–6.0 billion in 2050. Meanwhile, the urbanization rate will increase by 1.4%–7.5%/10 a and reach 49%–75%. The GDP will increase by 17%–34%/10 a and reach 134–243 trillion USD.(2) Large differences will appear under different scenarios. The SSP1 and SSP5 pathways demonstrate relatively high urbanization and economic levels, but the population size is comparatively smaller; SSP3 shows the opposite trend. Meanwhile, the economy develops slowly under SSP4, but it has a relatively high urbanization level, while SSP2 exhibits an intermediate trend.(3) In 2050, the population will increase relative to 2016 in most countries, and population size in the fastest growing country in Central Asia and the Middle East countries will be more than double. Urbanization will develop rapidly in South Asia, West Asia and Central Asia, and will increase by more than 150% in the fastest growing countries. The economy will grow fastest in South Asia, Southeast Asia and West Asia, and increase by more than 10 times in some counties with rapid economic development.  相似文献   

6.
1 Introduction Arable land is the core of land resources and its dynamic change seriously affects regional sustainable development. Hebei Province, with a large population, is an agricultural province. With the highspeed economic development, population growth and urbanization, a great amount of arable land has been lost and the land shortage has become more serious. Therefore, arable land change and its driving forces should be studied in order to realize the sustainable agricultural develo…  相似文献   

7.
Understanding the relationship between China's urbanization and economic de- velopment on a provincial scale is of profound theoretical and practical significance. Based on data from 124 countries or regions throughout the world and 31 provinces or autonomous regions in China, applying improved methods using the quadrant map approach, this paper analyzed the spatial pattern of the relationship between China's urbanization and economic development level. The study identified the following results. (1) The 31 province-level re- gions fall into six categories: only one region is in the category of sharp over-urbanization, 3 regions are in medium over-urbanization, 11 slight over-urbanization, 8 basic coordination, one medium under-urbanization, and seven slight under-urbanization. (2) There are signifi- cant regional differences on a provincial scale in the relationships between urbanization and the level of economic development. (3) The provincial pattern of urbanization and economic development is significantly different between east and west. The eastern coastal areas are mainly over-urbanized, while the central and western regions are mainly under-urbanized. (4) The relationship between urbanization and the level of economic development is similar to the Matthew effect. Hence, two important insights are proposed. First, the phenomenon of over-urbanization in some developed regions should be viewed with some concern and vigi- lance. Second, urbanization needs to be speeded up moderately in the central and western regions.  相似文献   

8.
正The restructuring of rural China is one of the most important elements of global social and economic change in the early twenty-first century. From a traditionally rural country, with deep cultural roots in the ‘soil', China has been transformed into a highly advanced and largely urbanized society within the course of a few decades. The scale and significance of  相似文献   

9.
The comprehensive regionalization of Chinese human geography is based on the rules governing regional differentiation of Chinese physical geographic factors. Based on regional differences and similarities in human factors, this study divides the whole country into two levels of relatively independent, complete and organically linked human geographic units. As a fundamental, comprehensive, cutting-edge, practical and important task, the comprehensive regionalization of human geography highlights the characteristics, regional and sub-regional features, complexity and variety of spatial differences between factors of Chinese human geography. It is capable of promoting the development of human geography based on local conditions, providing basic scientific support to national and local development strategies, such as the Belt and Road Strategy, new urbanization and environmental awareness, and creating a sound geopolitical environment in key areas. Using results from existing physical and human geographic zoning studies, and in accordance with the principles of synthesis, dominant factors, the relative consistency of the natural environment, the relative consistency of social and economic development, the consistency of the regional cultural landscape, the continuity of spatial distribution and the integrity of county-level administrative divisions, and taking as its basis the division of human geography into 10 major factors(nature, economy, population, culture, ethnicity, agriculture, transportation, urbanization, the settlement landscape and administrative divisions), this paper constructs an index system for the comprehensive regionalization of Chinese human geography through a combination of top-down and bottom-up zoning and spatial clustering analysis. In this study, Chinese human geography is divided into eight regions and 66 sub-regions. The eight human geography regions are(Ⅰ) Northeast China,(Ⅱ) North China,(Ⅲ) East China,(Ⅳ) Central China,(Ⅴ) South China,(Ⅵ) Northwest China,(Ⅶ) Southwest China, and(Ⅷ) Qinghai and Tibet. This zoning proposal fills gaps in studies involving the non-comprehensive regionalization of Chinese human geography. Each human geography region and sub-region has different topographical, climatic, ecological, population, urbanization, economic development, settlement landscape, regional cultural and ethno-religious attributes. This proposal on the comprehensive regionalization of Chinese human geography dovetails closely with previous studies on comprehensive regionalization in Chinese physical geography, Chinese economic zoning, and Chinese agricultural zoning. It shows that, under the dual roles of nature and humans, there are certain rules of regional differentiation that govern the comprehensive regionalization of Chinese human geography.  相似文献   

10.
Elucidating the complex mechanism between urbanization,economic growth,carbon dioxide emissions is fundamental necessary to inform effective strategies on energy saving and emission reduction in China. Based on a balanced panel data of 31 provinces in China over the period 1997–2010,this study empirically examines the relationships among urbanization,economic growth and carbon dioxide(CO2) emissions at the national and regional levels using panel cointegration and vector error correction model and Granger causality tests. Results showed that urbanization,economic growth and CO2 emissions are integrated of order one. Urbanization contributes to economic growth,both of which increase CO2 emissions in China and its eastern,central and western regions. The impact of urbanization on CO2 emissions in the western region was larger than that in the eastern and central regions. But economic growth had a larger impact on CO2 emissions in the eastern region than that in the central and western regions. Panel causality analysis revealed a bidirectional long-run causal relationship among urbanization,economic growth and CO2 emissions,indicating that in the long run,urbanization does have a causal effect on economic growth in China,both of which have causal effect on CO2 emissions. At the regional level,we also found a bidirectional long-run causality between land urbanization and economic growth in eastern and central China. These results demonstrated that it might be difficult for China to pursue carbon emissions reduction policy and to control urban expansion without impeding economic growth in the long run. In the short-run,we observed a unidirectional causation running from land urbanization to CO2 emissions and from economic growth to CO2 emissions in the eastern and central regions. Further investigations revealed an inverted N-shaped relationship between CO2 emissions and economic growth in China,not supporting the environmental Kuznets curve(EKC) hypothesis. Our empirical findings have an important reference value for policy-makers in formulating effective energy saving and emission reduction strategies for China.  相似文献   

11.
基于综合城镇化视角的省际人口迁移格局空间分析   总被引:8,自引:6,他引:2  
刘颖  邓伟  宋雪茜  张少尧 《地理科学》2017,37(8):1151-1158
采用第五、第六次全国人口普查数据,基于流出、流入“双向”视角解析人口迁移格局及演变过程;采用空间计量模型,阐释综合城镇化及各城镇化分量值对省际人口迁移影响的空间效应。研究结果表明: 2000~2010年省际人口迁移量成倍增长,人口迁出区域空间不断扩散,迁入区域空间虽无明显变化,但内部差异性变化明显; 省际人口迁移存在明显的空间依赖性特征,省际人口净迁入率变化明显受周边地区的正向影响; 综合城镇化率变化对省际人口迁入有着重要作用。 人口、经济和土地城镇化率变化对人口净迁入率变化具有显著影响,且经济城镇化仍为影响省际人口迁移变化的主导因素;社会城镇化率的影响并不明显。  相似文献   

12.
中国土地城镇化和人口城镇化对经济增长影响效应分析   总被引:5,自引:0,他引:5  
朱纪广  许家伟  李小建  娄帆  陈玉蓉 《地理科学》2020,40(10):1654-1662
依据2000—2017年中国331个城市面板数据,借助计量模型从土地城镇化和人口城镇化2个方面分析城镇化对经济增长的影响效应。研究结果表明:① 总体样本上,土地城镇化和人口城镇化均促进经济增长,但人口城镇化对经济增长的综合效应和投资效应大于土地城镇化;土地城镇化对经济增长的消费效应大于人口城镇化。② 城镇化对经济增长的影响存在时间差异。在时间效应上,土地城镇化中的投资效应具有下降趋势,人口城镇中的综合效应和投资效应具有增强趋势。③ 城镇化对经济增长效应存在区域差异性。东部地区人口城镇化对经济增长的影响滞后于土地城镇化的影响,且消费效应和投资效应最强劲;中部地区土地城镇化对经济增长的拉动作用不显著,人口城镇化主要是通过消费效应和投资效应促进经济增长,且消费效应大于投资效应;西部地区土地城镇化对经济增长的影响大于人口城镇化影响。东北地区的土地城镇化显著地促进经济增长,且土地城镇化的消费效应最强,其次是投资效应和综合效应;人口城镇化对经济增长的影响不显著。土地城镇化对经济增长影响最强的区域是西部地区,其次是东部地区、东北地区和中部地区。  相似文献   

13.
中国县域城镇化水平的综合评价及类型区划分   总被引:15,自引:3,他引:12  
王洋  方创琳  王振波 《地理研究》2012,31(7):1305-1316
以县为基本单元,从人口、经济和社会三方面构建中国县域城镇化水平的综合评价体系;利用熵值法对县级单元的综合城镇化水平及其子系统水平进行评价,构建城镇化类型区;基于偏相关系数测度各类型区的城镇化驱动力;结合空间自相关方法对综合城镇化水平进行分区。结果表明:人口和经济是反映中国县域城镇化水平的两大子类型;综合城镇化水平的空间分布呈明显的行政等级性;划分全国为人口城镇化滞后型、经济社会城镇化滞后型、人口—经济社会城镇化滞后型和综合城镇化非滞后型四大城镇化类型区;不同类型区的驱动力不同,市场力和行政力是全国层面的两大驱动因素;采用空间自相关方法对人文地理领域进行分区研究,中国人口城镇化分区模式为北高南低,经济城镇化分区模式为东高西低。  相似文献   

14.
This paper constructs a comprehensive evaluation index system for the urbanization level in China in terms of four aspects of urbanization connotation: population, economy, society, and land. A comprehensive measurement is carried out for the Chinese urbanization between 1981 and 2006 based on the Entropy method. The results show that the comprehensive level of urbanization in China has a continuous increase with the major features of economic growth and a rapid evolution of the geographical landscape, followed by population urbanization and then social urbanization of health care standard; the distinguished evolutional characteristics can also be found in each of the subsystems. The integrated evolution of urbanization has a profound effect on the resources, energy and the environment, making the land resources and energy security situation under severe pressure. The environment pressure is also increased further.  相似文献   

15.
This paper constructs a comprehensive evaluation index system for the urbanization level in China in terms of four aspects of urbanization connotation: population, economy, society, and land. A comprehensive measurement is carried out for the Chinese urbanization between 1981 and 2006 based on the Entropy method. The results show that the comprehensive level of urbanization in China has a continuous increase with the major features of economic growth and a rapid evolution of the geographical landscape, followed by population urbanization and then social urbanization of health care standard; the distinguished evolutional characteristics can also be found in each of the subsystems. The integrated evolution of urbanization has a profound effect on the resources, energy and the environment, making the land resources and energy security situation under severe pressure. The environment pressure is also increased further.  相似文献   

16.
改革开放以来中国国内人口迁移及其研究   总被引:25,自引:7,他引:25  
李玲 《地理研究》2001,20(4):453-462
从人口迁移进程的变化、人口迁移的主要原因与迁移选择和迁移方式、迁移人口对城市社会经济活动的参与及影响等方面,综述中国改革开放以来的人口迁移进程及研究成果。大量的实证研究,使人们对中国国内人口迁移有了日益清晰的认识,但多数仍停留在国外人口迁移理论的框架之内。在人口迁移与加快户籍制度改革、与城市居民就业和产业结构调整的关系,及迁移人口对区域社会经济发展差异分析比较的影响等方面还需进行深入研究。  相似文献   

17.
中国人口城市化的影响要素与空间格局   总被引:9,自引:3,他引:6  
利用2000年第五次人口普查数据和相关统计资料对中国人口城市化的影响要素和空间格局进行分析和研究。从城市角度分析中国人口城市化的影响要素后发现:中国城市人口规模与经济实力要素、社会发展要素和消费要素显著相关,与经济结构要素相关性不显著;运用GIS技术分析中国人口城市化的空间格局发现:中国县级人口城市化空间格局存在明显的东北、中部和西南"三元"结构,省级人口城市化体现出"三区(即京津沪区、渝鄂区和藏新区)、三带(东部带、中部带和北部带)"的空间格局。  相似文献   

18.
刘正桥  王良健 《地理研究》2013,32(4):683-690
经济、人口、资源与环境的协调发展是新型城市化战略的核心,也是国家主体功能区规划的重要内容。鉴于各类主体功能区在东北地区并存,考察其经济增长与城市化开发路径,可为全国提供较好借鉴。以东北地区城市暂住人口为切入点,探讨了城市暂住人口与经济增长相互影响的作用机制,进而构建暂住人口与经济增长联立方程,并使用东北地区34个地级城市的面板数据进行实证分析,考量以暂住人口吸纳与承载能力为标志的城市化潜力与经济增长的动力。研究表明:在国家主体功能区战略背景下,需充分尊重和考虑东北地区各类开发区域与城市的经济、社会、自然与生态状况,应通过中心城市产业结构调整、生态功能区人口迁出等途径进行集中均衡式的城市化开发,积极加快推进基本公共服务均等化和城市内部基础设施完善。  相似文献   

19.
刘涛  卓云霞  彭荣熙  曹广忠 《地理学报》2022,77(12):3006-3022
城镇化是城镇和乡村人口变动共同作用的结果。本文从城乡人口变动的视角提出了城镇化地域类型的划分方法,基于历次全国人口普查数据,考察了中国城镇化地域类型的时空演变及其影响因素。研究发现中国的城镇化于1990年后进入快速阶段且当前仍在加速,但城镇化的实现路径存在较强的时空动态性:① 随着人口自然增长减缓和乡城迁移扩张,全国城镇化地域类型由城乡扩张型转变为城镇吸引型,乡村人口减少对城镇化的贡献持续增强;② 城镇吸引型是各地最主要的城镇化地域类型,但2010年以来大量地区因乡村人口加速外流而转变为乡村流失型,城乡扩张型地域的空间范围大幅收缩至西藏、上海等地,而城乡收缩型地域在东北地区的非省会城市大范围扩张;③ 经济性因素仍是当前中国城镇化的核心驱动因素,经济增长带动乡村人口外迁,工业化长期有利于城乡协调共进,而公共服务等社会性因素的作用仍然有限;④ 新型城镇化和乡村振兴的政策效应还有待发掘,西部城市群、中小城市的吸引力以及乡村地区的人口发展等问题仍需更多的研究关注。本文最后对中国城镇化的趋势性、动力机制和未来研究重点展开了讨论。  相似文献   

20.
运用城镇化率代表新疆地区的城镇化发展水平,用人均GDP表示经济发展,选取产业结构具体分析城镇化与经济发展的相互作用情况。用地理探测器模型分析新疆的城镇化与经济发展间的相互影响及两者之间的时空相互作用机制。结果发现:(1)新疆各地州(市)的城镇化发展差异大且城镇化整体发展速率缓慢。(2)地区间的产业结构布局不均衡。(3)新疆城镇化对经济增长的影响力表现为波动增长;各地区的作用力大小存在较大差异。(4)新疆城镇化发展对经济发展的作用强于经济发展对城镇化进程的作用。  相似文献   

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