The logistics industry is likened to be the “catalyst” of economic growth. It is one of China’s top ten key revitalization and adjustment industries, and port logistics is the main force to promote regional logistics and regional economic development. This paper, which is based on the niche theory and its corresponding measurement method, establishes the niche evaluation indicator dimension of the development competitiveness of port logistics in the Yangtze river delta. In this paper, the niche width model, niche overlap model, niche suitability and evolutionary momentum model were used to conduct an empirical study on the development competitiveness of nine typical ports in the Yangtze river delta region from 2013 to 2017. Finally, according to the expansion of ecological niche, the separation of ecological niche and the symbiosis of ecological niche, the paper put forward the suggestions for the sustainable development of port logistics in the Yangtze river delta region.
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