Table 2 Summary Table of average nearest neighbor index of agricultural civilization heritage.

From: Spatial structure and influencing factors of agricultural civilization heritage in the Yellow River Basin

Type

Agricultural civilization heritage

APH

ASH

ALH

Amount

2391

31

734

1626

R

0.35

0.95

0.45

0.47

Z

− 60.491615

− 0.571819

− 28.591285

− 40.979374

P

0.000000

0.567444

0.000000

0.000000

Spatial distribution state

Clustered

Random

Clustered

Clustered