Table 5. Evergreen broad-leaf tree frost damage and wind speed of growth space

No.	Species of trees	NW obstacle	NW obstacle	Distance from obstacle	Distance from coast	Code	Frost damage			Wind speed(rating)
							2017.2.	2018.2.	Variation	Coastal wind speed	Arrival wind speed
1	Camellia japonica	Building	lm	Surrounded by buildings	8,000m	A	8%	12%	+4%	9	5
2	Camellia japonica	Building	lm	Surrounded by buildings	8,000m		8%	16%	+8%	9	5
7	Camellia japonica	Building	2m	Surrounded by buildings	200m	B	8%	48%	+40%	9	7
9	Camellia japonica	Open	-	Undeveloped	1,500m	F	12%	56%	+44%	9	9
10	Camellia japonica	Open	-	Undeveloped	1,000m	G	50%	100%	+50%	9	9
3	Ligustrum japonicum	Open	50m	Wind paths	800m	D	24%	64%	+40%	9	8
4	Ligustrum japonicum	Building	35m	Surrounded by buildings	100m	E	24%	92%	+68%	9	7
5	Ligustrum japonicum	Forest	1m	Surrounded by forest	200m	C	20%	68%	+48%	9	7
6	Ilex cornuta	Open	-	-	200m	E	16%	64%	+48%	9	7
8	Ilex cornuta	Forest	2m	Surrounded by wall	540m	C	4%	12%	+8%	9	6