Table 6. Isoprene emission rate and segmentation.

Isoprene emission rate range (ng/(gdw·hr))	Species
	1st year research results	2nd year research results
100,000 <		Quercus mongolica Fisch. ex Ledeb.
50,000 < ~ ≤ 100,000		Salix koreensis Andersson
		Robinia pseudoacacia L.
10,000 < ~ ≤ 50,000	Phyllostachys bambusoides Siebold & Zucc.	Salix chaenomeloides Kimura
5,000 < ~ ≤ 10,000	Quercus serrata Thunb. ex Murray
	Daphniphyllum macropodum Miq.
1,000 < ~ ≤ 5,000	Buxus koreana Nakai ex Chung & al.