Spatial-temporal evolution of "Production-Living-Ecologica" function and layout optimization Strategy in China: a case study of Liaoning Province, China.

Abstract

Based on the land remote sensing monitoring data from 2000 to 2020, this paper quantitatively analyzed the spatio-temporal evolution of "production-living-ecological" functions and the geographical dominance degree of Liaoning Province using a geospatial model, and put forward some policy suggestions. The results showed that the living function area increased by 2957 km2, the ecological function area increased by 2011 km2, and the production function area was reduced by 4968 km2. The spatial distribution of production function was higher in the middle part, lower in the east and west, and the functional index was between 0.01 and 0.21. The living function level is distributed from east to west, and the function index decreases gradually from plain to surrounding mountains. There was a significant correlation between the level of ecological function and topography, and the functional index ranged from 0.01 to 0.65. The advantageous areas of production function are located in the central plain of Liaoning and Dalian, the advantageous areas of living function are located in the central part of Liaoning, and the advantageous areas of ecological function are located in the eastern and western parts of Liaoning. Social and economic level, natural ecological environment, and regional development policy are the important factors that affect the layout of "production-production-production" function. It is suggested that the provincial government should build a comprehensive management system across administrative regions, design the ecological and environmental protection policy framework of "production-living-ecological" function, and improve the ecological protection coordination mechanism.