Sentences with phrase «diameter at breast height»

DBH, diameter at breast height; Chl, chlorophyll; conc., concentration.
To determine date of the appearance, at each of the plots measuring 25 × 25 meters of wood samples wood (cores) were collected from all living trees with a diameter at breast height of at least 4 cm, which corresponds to a height of not less than 3 m. Samples were taken at a height of 10 - 20 cm from the surface.
Within each plot, all standing trees with diameter at breast height (DBH) ≥ 9 cm were tagged, recorded, and remeasured at irregular time intervals (mean = 10 y)(SI Appendix, Fig.
that there are now known to be 60,065 tree species — a tree is a woody growth with a stem at least 5 cm in diameter at breast height — on every continent except Antarctica.
It is a measure of the stocking of a stand of trees based on the number of trees per unit area and the diameter at breast height of the tree of average basal area,
Scientists report in the Journal of Sustainable Forestry that there are now known to be 60,065 tree species — a tree is a woody growth with a stem at least 5 cm in diameter at breast height — on every continent except Antarctica.
Today the largest of the grafts is more than 60 feet tall and 20 inches in diameter at breast height, and there are almost no blight - killed branches.

Not exact matches

Day, comes tree diameter at black and white dating canada breast height of the men in york city build a site from any responsibility.
Diameter stated is as measured at 1.4 m (about 4.5 ft) above average ground level (at breast height).
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