dbh
名词 n.
英文释义
名词 n.
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Initialism of diameter at breast height, a standard method of expressing the diameter of the trunk or bole of a standing tree, measured at the supposed height above ground of an adult's breast (which varies according to local convention from 1.3 to 1.5 metres).
— We again found that the number of tree species in a sample of stems 20 cm dbh or larger is greater in selectively logged forest 8 years after the harvest than in nearby unlogged forest (t test, d.f.
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数据来源: Wiktionary