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Seppo Kellomäki, Pauline Oker-Blom

Specific needle area of Scots pine and its dependence on light conditions inside the canopy.

Kellomäki S., Oker-Blom P. (1981). Specific needle area of Scots pine and its dependence on light conditions inside the canopy. Silva Fennica vol. 15 no. 2 article id 5116. https://doi.org/10.14214/sf.a15057

Abstract

The specific needle area of young Scots pine (Pinus sylvestris L.) showed a substantial within-tree and between-tree variation which was associated with the position of the tree and the position of the whorl as indicated by the prevailing crown and branch illumination. In suppressed trees the values of the specific needle area were three to four times those in dominating trees. A similar morphogenesis was discernible in comparison of the lower and the upper part of the crown. The mean specific needle area value for the whole stand was 184 cm2/g.

The PDF includes a summary in Finnish.

Keywords
Scots pine; Pinus sylvestris; needles; needle area; light conditions; crown; crown class

Published in 1981

Available at https://doi.org/10.14214/sf.a15057 | Download PDF

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