Table 2 Relative change rates of different cultural memory spaces.

From: Historical change and spatial relation of cultural memory in Guangzhou from the perspective of heritage representation

Type

Prehistoric

Qin and Han

Wei, Jin, Southern and Northern

Sui and Tang

Song and Yuan

Ming and Qing

Modern and contemporary

Socio-perceptual

-

0.111

0.5

0

0.556

0.088

1.2

Spirituality-based

-

0.222

1

0

0.167

0.238

2.6

Media narrative model

-

0.222

1

0

0

0.083

1.2

Production practice-based

-

0

0.5

0.25

0

0

1

Life symbol model

-

0.222

0.5

0

0

0.365

1.2

Functional characterization

-

0.222

0.5

0.75

0.278

0.227

0.6