Table 4. Plant cluster structure in Plot 1 (Robinia pseudoacacia) in the World Cup Park slope district (Area: 400m²)

Division	Scientific name	Importance percentag
		Canopy layer	Understory layer	Shrub layer	Mean
Relative ratio (%)	Rosa multiflora (찔레꽃)	-	-	88.9	14.8
	Prunus jamasakura (벚나무)	-	10.2	-	3.4
	Robinia pseudoacacia (아까시나무)	100.0	89.9	7.7	81.2
	Cornus officinalis (산수유)	-	-	3.4	0.6
Amount of species	4
The number of population	94
Shannon’s species diversity index (H’)	0.381