Fig. 4

Land use transfer matrix for Puding County from 1973 to 2020. (a)Represents the land use transfer from 1973 to 1989; (b)Represents the land use transfer from 1989 to 2003; (c) Represents the land use transfer from 2003 to 2010; (d) Represents the land use transfer from 2010 to 2020.