| 释义 |
silvics orig. and chiefly U.S.|ˈsɪlvɪks|
[f. L. silva, sylva + -ics: see -ic 2.]
The scientific study of the growth and life of forest trees, as a department of forestry. Cf. silvical a.
1907(April 17) U.S. Dept. Agric., Forest Service Order No. 132 Silvics. [The title has been changed (April 17, 1913) to the ‘Office of Forest Investigations’.] 1946Jrnl. Forestry XLIV. 965/1 The forester's knowledge of the silvics of the species was pretty thin. 1948H. J. Oosting Study of Plant Communities (ed. 2) xii. 317 An important part of a forester's training is forest ecology, or silvics, in which he learns the scientific background upon which silvicultural practices are based. 1975Agriculture Handbk. (U.S. Dept. Agric.) No. 486 (title) Quaking aspen: silvics and management in the Lake States. |