Table 11. Plant cluster structure in Plot 4 (Salix pseudolasiogyne) in the World Cup Park slope district (Area: 400m²)

Division	Scientific name	Importance percentag
		Canopy layer	Understory layer	Shrub layer	Mean
Relative ratio (%)	Salix pierotii (버드나무)	12.8	-	-	6.4
	Salix pseudolasiogyne (능수버들)	23.2	-	-	11.6
	Rosa multiflora (찔레꽃)	-	-	29.8	5.0
	Robinia pseudoacacia (아까시나무)	64.0	80.8	9.6	60.5
	Parthenocissus tricuspidata (담쟁이덩굴)	-	-	2.6	0.4
	Cornus controversa (층층나무)	-	19.2	-	6.4
	Forsythia koreana (개나리)	-	-	40.2	6.7
	Lycium chinense (구기자나무)	-	-	4.4	0.7
	Sambucus williamsii (딱총나무)	-	-	13.3	2.2
Amount of species	9
The number of population	108
Shannon’s species diversity index (H’)	0.7591