宁夏农村建设用地与人口的时空分异特征及其驱动因素研究

doi:10.19741/j.issn.1673-4831.2022.0762

摘要/Abstract

摘要： 随着快速城镇化进程中农村人口的减少,广大农村地区人地关系日益失调,严重阻碍乡村振兴进程,因此系统性研究人地关系迫在眉睫。基于Tapio脱钩模型,重点分析2010-2018年宁夏农村建设用地与人口演变格局。结果表明:(1)宁夏农村建设用地在前5 a扩张,后3 a减少,土地利用结构不断优化;(2)宁夏农村人口规模随山区向平原、农村郊县向城区的迁移而不断缩小;(3)宁夏农村人地关系因县(区)而异,存在以强负脱钩状态为主的7种脱钩状态。总体而言,宁夏农村地区建设用地扩张与人口下降的不匹配趋势明显,尤其是南部山区。此外,采用LMDI模型考察了城市人地关系动态趋势的影响因素,认为农村建设用地扩张总体上由农村建设用地集约度、城镇化水平和市域总人口效应共同驱动。具体来看,银川市、石嘴山市和吴忠市农村建设用地集约度的影响较为显著,城乡人口结构效应在一定程度上抑制了固原市和中卫市农村建设用地的扩张。因此因地制宜、科学合理推进农村建设用地综合整治,对调节农村人地关系具有重要意义。

关键词: 人地关系, 土地扩张, 人口减少, 脱钩, 乡村振兴

Abstract: With the decline of rural population in the rapid urbanization, the human-land relationship in vast rural areas is becoming increasingly decoupled, which seriously hindered the process of rural revitalization and makes it extremely urgent to systematically study the patterns of human and land use. Stemming from the Tapio decoupling model, this paper emphatically analyzed the evolutionary pattern of rural construction land and population in Ningxia from 2010 to 2018. The results imply that:(1) Rural construction land in Ningxia expanded in the first 5 years and then decreased in the following 3 years, with the land use structure being constantly optimized. (2) The total size of rural population in Ningxia was shrinking with the migration from mountainous areas to plains and from suburban counties to urban areas. (3) The human-land relationship in rural Ningxia varied across counties/districts, which was hereby classified into 7 decoupling types and dominated by the strong negative one. In general, the mismatching trend of "construction land expansion with population decline" was obvious in rural Ningxia, and particularly in the southern mountainous areas. Furthermore, this paper employed the LMDI model to investigate the influencing factors of the aforementioned dynamic trend of human-land in municipal-level cities. We argue that the expansion of rural construction land was jointly driven by the intensive use of rural construction land, urbanization level, and the total population size in general. Specifically, the impact of intensive rural construction land use was significant in Yinchuan, Shizuishan, and Wuzhong. The urban-rural structure of total population, to certain extent, inhibited the expansion of rural construction land in Guyuan and Zhongwei. Thus, it is of great importance to regulate the rural human-land relationship by scientifically promoting the comprehensive consolidation of rural construction land according to local conditions.

Key words: human-land relationship, land expansion, population decline, decoupling, rural revitalization

中图分类号:

F301.2

安丰平, 高金龙, 文琦. 宁夏农村建设用地与人口的时空分异特征及其驱动因素研究[J]. 生态与农村环境学报, 2023, 39(8): 973-980.

AN Feng-ping, GAO Jin-long, WEN Qi. Spatio-temporal Heterogeneity of Rural Construction Land and Population Patterns in Ningxia[J]. Journal of Ecology and Rural Environment, 2023, 39(8): 973-980.

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