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Juvenile wood volume and its proportion to stem volume vs. selected biometric features of Scots pine (Pinus sylvestris L.) trees

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Author(s): Arkadiusz Tomczak | Witold Pazdrowski | Grzegorz Kupczyk | Tomasz Jelonek

Journal: Acta Societatis Botanicorum Poloniae
ISSN 0001-6977

Volume: 74;
Issue: 4;
Start page: 269;
Date: 2005;
Original page

Keywords: Scots pine | juvenile wood | breast height diameter | tree height | total stem volume | forest site type | determination coefficient

ABSTRACT
The aim of the study was to determine whether there is a correlation between breast height diameter, tree height and stem total volume of Scots pines, on the one hand, and volume and proportion of juvenile wood, on the other. The investigations comprised pure pine stands of the IInd, IIIrd, IVth and Vth age classes developed in conditions of fresh mixed coniferous forest. A distinct curvilinear correlation was found between volume and proportion of juvenile wood in tree stems and breast height diameter, height and stem total volume. Because of high values of determination coefficients (R2), which characterised the above-mentioned correlations, it seems appropriate to use these regularities to assess the quality of the timber raw material regarding the proportions of its volume and juvenile wood in stems of Scots pine trees.
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