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Bo Högnäs

Investigations on forest types and stand development in Åland in Finland

Högnäs B. (1966). Investigations on forest types and stand development in Åland in Finland. Acta Forestalia Fennica vol. 78 no. 2 article id 7155. https://doi.org/10.14214/aff.7155

Abstract

The purpose of this study is to clarify the forest types in pure coniferous stands in Åland in Finland, to study them in a biological light and account for the production of the stands on respective sites. The flora of the forest types in Åland has been described in an earlier study, but as the plant associations have not been described it has often been difficult to determine the correct types in field work. Sample plots were chosen in coniferous forests with maximum 20% of other species. The vegetation analysis was limited to determine composition of species, projected coverage and the frequency of species. In addition, cubic volume and growth of the growing stock was calculated for the stands.

The results of the study showed that site type and fertility correspond to each other nearly without exception only on normal moraines, if only the ground vegetation is used as a criterion for the type. The general occurense of soils of different qualities makes it necessary to determine, besides forest type, other characteristics in the stands, preferably the dominant height. The total production of coniferous forests with great probability is smaller in Åland than in mainland Finland. The results can be applied also to Åboland’s archipelago, where the milieu of the coniferous forests is similar.

The PDF includes a summary in English.

Keywords
forest type; coniferous forests; volume growth; vegetation analysis; Åland; Ahvenanmaa; Finland

Published in 1966

Available at https://doi.org/10.14214/aff.7155 | Download PDF

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