Research Article

A Hierarchical Allometric Scaling Analysis of Chinese Cities: 1991–2014

Figure 6

The hierarchical allometric scaling relationships between population size and area of built district of Chinese cities (examples). [Note. The small circles represent the largest city at the top class and the bottom cities at the lame-duck classes. The trend lines are based on all the data points rather than those within the scaling ranges.]
(a) 1991
(b) 1995
(c) 2000
(d) 2005
(e) 2010
(f) 2014