Definitions for "Basal area"
Keywords:  acre, trunk, hectare, forestry, bark
The area of a given unit of land, such as a ha or ac, that is occupied by the cross-sectional area of tree boles measured at breast height. Usually expressed as square feet per ac or square meters per ha.
A measure of the cross-sectional area taken up by trees at 4.5 feet above ground level.
1. The cross?sectional area of the bole of a tree, 41/2 ft above the ground. Basal area = diameter of tree squared, times .005454. 2. The sum of all the individual tree basal areas for a given land area. Commonly expressed as sq ft of basal area (a well?stocked, 40?year?old Douglas?fir forest may have 200?250 sq ft of basal area).
Keywords:  germplasm, recreational, data
Germplasm Recreational Use Data