Table 1. Measured diameter at breast height (DBH), tree height (H), crown area (CA), and above-ground volume (V) of four street tree species in Wonju.

Species	N	DBH (cm)			H (m)			CA (m2)			V (m3)
		Min.	Max.	Mean	Min.	Max.	Mean	Min.	Max.	Mean	Min.	Max.	Mean
Acer buergerianum	30	9.5	38.9	23.2	4.4	10.5	7.0	3.0	16.4	6.9	0.019	0.666	0.246
Ginkgo biloba	30	11.8	37.3	21.9	5.4	15.4	8.8	2.5	45.1	17.0	0.042	0.876	0.263
Metasequoia glyptostroboides	30	19.5	50.7	33.4	8.5	21.9	15.2	19.3	94.4	50.0	0.112	2.106	0.710
Prunus armeniaca	30	11.3	49.3	25.0	4.1	10.4	7.6	6.3	95.8	35.3	0.032	0.725	0.288