Table 3. AHP experts profiles

	Item	Number of experts	Ratio (%)
Profession	Landscape	10	37.0
	Architecture	4	14.8
	Disaster-prevention	4	14.8
	Planning	5	18.6
	Geography	4	14.8
	Total	27	100.0
Education	Doctor	13	48.2
	Master	8	29.6
	Bachelor	6	22.2
	Total	27	100.0
Seniority	5~10 years	3	11.1
	10~20 years	7	25.9
	20~30 years	13	48.2
	>30 years	4	14.8
	Total	27	100.0