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Seppo Kellomäki (email), Pauline Oker-Blom

Canopy structure and light climate in a young Scots pine stand.

Kellomäki S., Oker-Blom P. (1983). Canopy structure and light climate in a young Scots pine stand. Silva Fennica vol. 17 no. 1 article id 5171. https://doi.org/10.14214/sf.a15086

Abstract

The needle area distribution and crown structure of a young planted Scots pine (Pinus sylvestris L.) stand are described. The crown structure and crown shape showed apparent regularity in crown structure regardless of stand dynamics. Similarly, the shoot structure and individual needle area showed regularity in the number of needles per branch and shoot length unit, and consequent phytoarea density inside the needle cylinder. Also, the shoot area and needle area distributions were found to show a regular distribution of needle biomass throughout the crown, also inside the crown, in the dominant trees. In the suppressed trees the needle biomass was located in the upper crown and on the surface area of the crown. Estimates of the canopy needle area and distributions are given. The results were applied in calculations of the within-stand light regime. The results correlated well with the empirical results.

The PDF includes a summary in Finnish.

Keywords
Pinus sylvestris; needles; Scots pine; canopy; needle biomass; crown; needle area; light condition; within-stand light regime

Published in 1983

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Available at https://doi.org/10.14214/sf.a15086 | Download PDF

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