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单词 basal area
释义

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basal area
basal area n. (a) the area situated at or forming the base; spec. in Ecology (see quot. 1962); (b) Forestry the area of the cross-section of a tree at a height of 4·5 feet above the ground, or the sum of such areas.
ΘΚΠ
the world > space > relative position > low position > [noun] > condition of being placed under > that which lies under > base on which a thing rests > surface or area
floor1556
basal area1610
bedding1611
bed1633
plan1723
floor area1887
the world > food and drink > farming > forestry or arboriculture > lumbering > [noun] > tree-crop > measurements of standing timber
stumpage1854
scale1877
increment1889
taper1893
basal area1895
form factor1895
cruise1911
the world > life > biology > balance of nature > environment or habitat > [noun] > portion of
subregion1830
province1847
realm1854
substrate1876
quadrat1904
transect1905
biotope1909
basal cover1923
microhabitat1931
basal area1938
tetrad1963
1610 W. Folkingham Feudigraphia ii. viii. 62 Multiply the Basall Area by 6.
1895 W. Schlich Man. Forestry iii. i. 46 The sample tree should show a basal area which corresponds exactly to the mean section of the class.
1938 J. R. Carpenter Ecol. Gloss. 39 Basal area, (1)..The sum of the basal areas of trees in a forest stand is the basal area of the stand. (2)..Ground cover, basal cover.
1962 H. Hanson Dict. Ecol. 43 Basal Area..the surface of the soil actually covered or occupied by a plant, especially the basal part, as compared to the full spread of the herbage.
extracted from basaladj.n.
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更新时间:2025/3/22 6:54:39