About the Authors

Ying-dong Zhao

Roles Data curation, Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing

Affiliation School of Geography and Planning, Nanning Normal University, Nanning, Guangxi, China

Xin-chao Pan

Roles Data curation, Investigation

Affiliation School of Geography and Planning, Nanning Normal University, Nanning, Guangxi, China

Zi-lun Zhi

Roles Supervision

Affiliation School of Primary Education, Nanning Normal University, Nanning, Guangxi, China

Chuan-yong Tang

Roles Project administration, Resources

20181013@nnnu.edu.cn

Affiliation School of Geography and Planning, Nanning Normal University, Nanning, Guangxi, China

Jie Dang

Roles Data curation

Affiliation Party Committee United Front Work Department, Nanning Normal University, Nanning, Guangxi, China

Kun-lin Bai

Roles Visualization

Affiliation School of Geography and Planning, Nanning Normal University, Nanning, Guangxi, China

Competing Interests

The authors have declared that no competing interests exist.