A study of environmental evolution of Beijing-Tianjin-Tangshan region from Jin Dynasty to the Republic of China (a.d. 1153-1949)

Auteur(s) et Affiliation(s)

TANG YIGONG,

Dept. of History, Shaanxi Teachers University, Xi'an, Chine

Description :
The land development process in the region is closely related with population change of the corresponding period. Correlation analysis of population increase and cultivated area shows that they follow a linear equation which means that population increase and cultivated area expansion were at a similar rate.

Type de document :
Article de périodique

Source :
The Journal of Chinese geography, issn : 0218-1444, 1996, vol. 6, n°. 2, p. 74-78, Collation : Illustration

Date :
1996

Editeur :
Pays édition : Singapour, Singapore, Guoji Translation and Publishing

Langue :
Anglais