Aging involves the transformation of the population reproduction mode under the rapid development of the social economy. We studied population survey data based on the WorldPop population statistics website and used ArcGIS to construct a spatial database and implement spatial analysis methods. In this study, we analyzed the spatiotemporal evolution characteristics of population aging and its main influencing factors in counties of China, in order to provide a reference for the formulation of a national population development policy and the construction of a pension system. The results are as follows: ① The situation of population aging in China is becoming more serious, showing a point-line-area spatial pattern and two core–periphery aging patterns of high core–low periphery and low core–high periphery. ② The speed of population aging in China is characterized by rapid growth, large scale, and a high degree. Large areas of growing old before getting rich have emerged in the central and western regions. ③ The aging of the population has gradually spread to the northeast, southwest, northwest, and other regions. Influenced by factors such as population migration, population structure change, transportation facility construction, and geographic environment changes, a trend of aging that has spread across the Hu Huan-Yong line has appeared.
The spatial distribution characteristics and influencing factors of tourist attractions in China are analyzed by GIS and SPSS. The spatial distribution characteristics and main influencing factors of urban landscape tourism resources in China are deeply explored in order to provide a reference for the construction of a national park system and for the optimal allocation of tourism resources in the future. The results show the following: (1) the spatial pattern of tourism resources in China is strong in the southeast and weak in the northwest. It shows the spatial structure of a global concentrated contiguous distribution, A-level zonal distribution, and national point distribution. The distribution pattern of concentrated contiguous areas is consistent with the spatial distribution of major urban agglomerations in China. (2) There is a serious imbalance in the allocation of A-level tourist attractions in Central, Southwest, Northwest, and Northeast China. The allocation of A-level tourist attractions in East China is in an absolute dominant position, whereas that in South China and North China is at a medium level. National tourism resources show obvious characteristics of being strong in the east and weak in the west. We mainly take the provincial capital city as the core point of agglomeration, showing the obvious “administrative district” distribution characteristics. (3) The level of urban management, the scale of urban construction, the development of the real estate industry, the employment population of tertiary industry, and the level of urban economic development are all factors that have a significant correlation with the spatial distribution of urban tourism resources.
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