| 释义 |
ˈover-wood
[over- 1 d.]
The layer of vegetation formed by the tallest trees in a forest. Cf. overstorey.
1889W. Schlich Man. Forestry I. iii. 202 In fertile low lands Oak appears as overwood and underwood. 1928R. S. Troup Silvicultural Syst. iv. 39 Silviculture may require the overwood to be retained for seeding purposes or for the protection of the young crop. 1969Gloss. Landscape Work (B.S.I.) v. 34 Overwood. 1. Large free-growing trees growing above coppice. 2. The upper layer of a two-storeyed forest. |