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Matti Kärkkäinen

Puun ja kuoren tiheys ja kosteus sekä kuoren osuus koivun, kuusen ja männyn oksissa.

Kärkkäinen M. (1976). Puun ja kuoren tiheys ja kosteus sekä kuoren osuus koivun, kuusen ja männyn oksissa. Silva Fennica vol. 10 no. 3 article id 4948. https://doi.org/10.14214/sf.a14794

English title: Density and moisture content of wood and bark, and bark percentage in the branches of birch, Norway spruce and Scots pine.

Abstract

In the study the proportion of branch samples of various diameter were studied. The branches were taken from small trees to be harvested by total tree chipping method. The material consisted of 1,056 branch samples of birch (Betula verrucosa, now B. pendula Roth, and Betula pubescens Erhr.), Norway spruce (Picea abies (L.) H. Karst.) and Scots pine (Pinus sylvestris L.) at intervals of 20 cm along each branch.

With exception of the basic density of bark, there was a relation between all the other properties which were studied and the diameter. Even when the effect of diameter was eliminated, in many cases the effect of the distance of the samples from the stem became apparent.

The PDF includes a summary in English.

Original keywords
kokopuuhaketus; kosteus; oksat; kuori; koivu; kuusi; mänty

English keywords
total tree chipping; density; moisture content; branches; bark; birch; Norway spruce; Scots pine

Published in 1976

Available at https://doi.org/10.14214/sf.a14794 | Download PDF

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