Ilmari Vuoristo. (1935). Tutkimuksia tukkipuurunkojen ja sahatukkien välisestä kuutiosuhteesta. Acta Forestalia Fennica vol. 42 no. 6 article id 7323. https://doi.org/10.14214/aff.7323

English title: Investigations of the regression between the cubic content of trunks and that of logs.

Original keywords: tukkipuu; muuntokerroin; tukkisaanto; apteeraus

English keywords: conversion factor; log size; log number; laying off

Abstract | View details | Full text in PDF | Author Info

The aim of the study was to explain the regression between the cubic content of the trunk of a tree and of logs cut from the trunk. The minimum size of trunk that can be used to saw logs has been 18 feet long and 5″ of top diameter in Finland (in 1930s). The average length of logs is 16‒18 feet. The data of this study was collected in seven areas around Finland. The results show that there is regression between the volume of the trunk, the volume and the logs cut from the trunk and the number of logs. Consequently, it is possible to determine the average regression between the trunk and log sizes for forest technical purposes. The regression varies in different parts of the country due to varying growth condition of the trees and different age classes. It is probable that the figures have to be re-examined in the future.

The PDF includes a summary in English.

Vuoristo, E-mail: iv@mm.unknown

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