Yrjö Ilvessalo 
Nationwide surveys of forest resources and wood utilization in Finland
Ilvessalo Y. (1954). Nationwide surveys of forest resources and wood utilization in Finland. Acta Forestalia Fennica vol. 61 no. 21 article id 7433. https://doi.org/10.14214/aff.7433
Abstract
The first estimates on the forest resources of Finland were presented in the middle of the 1900th century. The first line survey was conducted in 1912 in Central Finland. In 1921-1923 a survey of the forests of the whole country was commenced. The method consisted in measurement of sample plots in conjunction with ocular estimation of all the stands within the range of the lines. The methods were further developed in the second National Forest Survey in 1936-1938, which payed special attention to the silvicultural condition of the forests, and the growth in the light of climatic variation. When 3.3 million ha of forests were ceded to the Soviet Union in the peace treaty of 1944, the results of the survey had to be recalculated. The next survey was conducted 1951-1953. In this survey, the recovery of stands on drained peatlands was studied. The results of the inventories show that forest resources of Finland had icreased since the 1936-1938 survey.
The first investigation of wood utilization in Finland was carried out in 1927, after the first National Forest Survey had provided information on the forest resources, and knowledge of the other side of the forest balance was desired. The most difficult part was to determine the domestic wood consumption of the rural population. This was accomplished by studying 1,337 sample farms. The second investigation was commenced in 1938, and third in 1954.
These two investigations have made it possible to determine the annual removal and annual growth, and by comparing these results, growth balance. A forest balance is an essential condition for judicious forestry.
The Acta Forestalia Fennica issue 61 was published in honour of professor Eino Saari’s 60th birthday.
Keywords
forestry;
National Forest Inventory;
Finland;
forest resources;
wood utilization;
forest balance;
National Forest Survey;
growth balance
Published in 1954
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