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Bark as a proportion of Norway spruce stem volume in spruce/Scots pine and pine/spruce stands

Bark as a proportion of Norway spruce stem volume in spruce/Scots pine and pine/spruce stands

Sylwan 1982; 125(7/8/9): 87-92

Tree ht. and d.b.h. were measured in 100 stands in NE Poland and sections analysed for bark % in 20 sample trees from each selected to cover the full d.b.h. range. Av. bark vol. was 11.1% with a coefficient of variation of the means for each stand of 23.2%. Equations are presented for calculating mean bark vol. from mean ht. and from mean d.b.h. with mean errors of 10.5% and 10.9% respectively.

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