Observations on the calculations of the basic density of total tree chips

Kärkkäinen, Matti

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Silva Fennica

Article . 1978

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Observations on the calculations of the basic density of total tree chips

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1978 English Publisher:Finnish Society of Forest ScienceJournal:Silva Fennica (issn: 2242-4075,

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Authors: Kärkkäinen, Matti;

Observations on the calculations of the basic density of total tree chips

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Abstract

In this study two methods of determining the basic density of total tree chips are compared. The method of MÃ¤kelÃ¤ (1977) is based on the volumes of Scots pine, Norway spruce, birch, and alder in a logging area, and the age of the trees. In the other method the basic density of total tree chips is measured by the common displacement method. The correlation was 0,730 in the material of 22 logging areas. Besides this it was found that the basic density of chips increases as the size of the chip particles increases with the exception of the smallest particles. The PDF includes a summary in English.

Keywords

Forestry, SD1-669.5

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