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Pentti Alho (email)

Pohjois-Pohjanmaan metsien käytön kehitys ja sen vaikutus metsien tilaan

Alho P. (1968). Pohjois-Pohjanmaan metsien käytön kehitys ja sen vaikutus metsien tilaan. Acta Forestalia Fennica no. 89 article id 7189. https://doi.org/10.14214/aff.7189

English title: Utilization of forests in north Ostrobothnia and its effect on their condition

Abstract

The purpose of the present investigation was to study the extent of human interference with the forests of different epochs in the district of north Ostrobothnia in Northern Finland, and its effect on the condition of the forests.

The study revealed that the quantities of wood removed were not most detrimental to the condition of the forest; the regionally irregular loggings and the logging methods employed were the most harmful. The old forms of wood utilization, tar industry, shipbuilding, sawmill industry and timber exports, were characterized by timber selection. Public opinion considered it the only recognized cutting method long after the conditions had changed and silvicultural methods should have been used.

The spread and abandonment of selection cuttings are illustrated in the results of first National Forest Surveys in Finland. According to the first survey (1921–1924), nearly half of the loggings in the province of Oulu were based on selection, which spoiled and devastated 41% of the forests. In the 1930s one-fifth of the North Ostrobothnian forests were weakened by selection cuttings, in 1960s the figure was 6%. The article also summarises the extent of tar and pitch production, sawmill industry, shipbuilding and household wood consumption of wood in the area.

The PDF includes a summary in English

Original keywords
hakkuut; kaskiviljely; hakkuutavat; tervanpoltto; metsien käyttö; metsävarat; sahateollisuus; Pohjois-Pohjanmaa; poimintahakkuut

English keywords
Finland; forest utilization; selective cutting; logging methods; forest resources; Ostrobothnia

Published in 1968

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Available at https://doi.org/10.14214/aff.7189 | Download PDF

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