Research on Evaluation System and Policy Design of Hub City Ecological Niche Competitiveness Based on Logistics Network Integration

Hub cities are central cities that use transportation, logistics, information and other hub platforms as carriers to strengthen the aggregation, radiation, and diffusion functions of economic activities and information flow. From the perspective of niche theory, a theoretical framework for evaluating the competitiveness of logistics networks in hub cities is constructed. Based on national logistics hub city data, economic resources, logistics resources, innovation resources, and information resource ecological factors are selected, and an evaluation system is established through models such as niche width, niche overlap, niche suitability, and comprehensive niche value, Conduct multidimensional research on the ecological niche competitiveness of national comprehensive transportation hub cities. The results showed that: (1) From the perspective of comprehensive ecological niche evaluation values, Beijing, Shanghai, Guangzhou, Chongqing and Shenzhen have higher ecological niche values, indicating that these cities have relatively strong logistics competitiveness. (2) The ecological niche width of hub cities is showing an increasing trend, covering increasingly extensive resources, and the competitiveness of regional core cities is gradually increasing. (3) There is excessive competition among cities with the same level of ecological niche width, and homogenization competition increases under the same limited resource conditions, and there is no high degree of overlap in urban relationships among mega first tier cities. (4) From the perspective of niche suitability, there are 71 hub cities higher than the average, indicating that the logistics resource environment of most hub cities has a very high demand for the establishment of hub cities, especially in the northeast, northwest, north China, central Yangtze River region, and coastal areas of Guangxi. The average ecological niche suitability is ranked from high to low as Northwest, Northeast, Central China, South China, Southwest, North China, and East China. Based on the actual problems of logistics networks in our country, we propose characteristic expansion strategies, dislocation competition strategies, and collaborative cooperation strategies from three aspects: expansion, separation, and optimization of ecological niches.