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V. Pöntynen

Tutkimuksia kuusen esiintymisestä alikasvoksina Raja-Karjalan valtionmailla

Pöntynen V. (1929). Tutkimuksia kuusen esiintymisestä alikasvoksina Raja-Karjalan valtionmailla. Acta Forestalia Fennica vol. 35 no. 1 article id 7256. https://doi.org/10.14214/aff.7256

English title: Studies on Norway spruce undergrowth in state forests in Karelia.

Abstract

The abundance of Norway spruce (Picae abies (L.) H. Karst.) undergrowth is common for the state forests in Karelia near the Russian border, in Finland. In the survey, the occurrence of the undergrowth was studied. The article includes a review on the ownership of the forest, forest soils in the area, and the state of forests in the area. Scots pine (Pinus sylvestris L.) is the dominative species in 67%, Norway spruce in 27% and Betula sp. 6% of the state forests. Only 2% of the forests are 1‒20 years of age. Stands in the age group of 61‒80 years are the most common (25%). Norway spruce undergrowth is most abundant in the municipality of Salmi. The forests are typically moist forest site types or grass-herb site types. If the stands are allowed to develop naturally, even the Vaccinium sites become Norway spruce dominated. Spruce undergrowth is formed seldom under a spruce forest unless the stand is thin or has openings. Because Norway spruce is often rare in the mineral soil sites, the undergrowth is often regenerated from seeds that spread from spruce swamps. Earlier practiced shifting cultivation and its frequent fires prevented regeneration of spruce undergrowth. Similarly, the common felling method used, clear felling in strips, does not promote spruce undergrowth. Consequently, their occurrence is likely to decrease in the future.

The PDF includes a summary in German.

Original keywords
kuusi; Picea abies; valtion metsät; alikasvos; Karjala; metsätyyppi

English keywords
natural regeneration; forest site type

Published in 1929

Available at https://doi.org/10.14214/aff.7256 | Download PDF

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