PROGRESS IN GEOGRAPHY ›› 2021, Vol. 40 ›› Issue (6): 991-999.doi: 10.18306/dlkxjz.2021.06.009

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From local food to national snacks: Spatial expansion of Lanzhou hand-pulled noodle and Shaxian snack restaurants

ZHU Bangyao()   

  1. College of Tourism and Service, Chongqing University of Education, Chongqing 400065, China
  • Received:2020-06-22 Revised:2020-10-28 Online:2021-06-28 Published:2021-08-28
  • Supported by:
    Social Science Foundation of Jilin Province(2018BS19);National Natural Science Foundation of China(41801165)


The spatial gathering and diffusion of local snacks is the main content of spatial expansion of catering culture and an important representation of population migration and regional cultural exchange. Taking Lanzhou hand-pulled noodles and Shaxian snacks in China as example, this study analyzed the spatial agglomeration and diffusion patterns of local snacks based on the density, distance, and weighted average center method, taking the point of interest (POI) of snack restaurants as the main data source. Then, spatial autocorrelation, clustering, and outlier analysis and hot spot analysis were used to examine the spatial correlation characteristics and spatial diffusion patterns of local snack restaurant clusters. The results show that: 1) Lanzhou noodle and Shaxian snack restaurants showed unbalanced spatial distribution characteristics. The spatial diffusion range and distance of Lanzhou noodle restaurants were larger than that of Shaxian snack restaurants. 2) The spatial diffusion of Lanzhou noodle and Shaxian snack restaurants mainly depends on the cross-regional flow of population. From ethnic food and local snacks to the means of survival of the migrant population, Lanzhou noodles and Shaxian snacks gradually established their brands and then further spread throughout China. 3) The spatial diffusion agglomeration characteristic of Shaxian snacks is stronger than that of Lanzhou noodles. The spatial expansion of Lanzhou noodles and Shaxian snacks is characterized by the combination of neighborhood diffusion and hierarchical diffusion. Leaping diffusion is a new choice for snack restaurant operators in the market competition of the information age. The spatial diffusion pattern of local snacks reflects the spatial differentiation of Chinese dietary habits, and the spatial diffusion pattern of snacks matches the differentiation of floating population distribution in China.

Key words: local food, national snacks, spatial diffusion, POI data, food culture