Lauri Ilvessalo 
Experiments with foreign tree species in state forest Vesijako, Finland
Ilvessalo L. (1913). Experiments with foreign tree species in state forest Vesijako, Finland. Acta Forestalia Fennica vol. 2 no. 2 article id 7529. https://doi.org/10.14214/aff.7529
Abstract
The study area is state owned forest of Vesijako in southern middle Finland that has earlier been intensively managed with slash-and-burn agriculture and then partly reforested with foreign coniferous tree species after controlled burnings. The total area planted with foreign species consists of 66 sample areas, altogether 28 hectares. The data has been collected in summer 1909.
The most of studied sample areas have been unsuccessful, but there are still many areas that are too young to be assessed. The originally with foreign species reforested areas are now pine stands. The tree species in experiments have been e.g. larch (Larix sibirica and L. europaea), Siberian stone pine (Pinus cembra sibirica), Siberian fir (Abies sibirica o. pichta), balsam fir (Abies balsamea), white fir (Abies pectinate also Abies alba), white spruce (Picea alba also Picea glauca), Weymouth pinen (Pinus strobus) and European / Swiss mountain pine (Pinus montana also P. mugo, P. mugho).
The most important result of the experiments with controlled burning is that stand of grey alder (Alnus incana) with only low economic value can be effectively altered into coniferous forests (Pinus silvestris).
Keywords
larch;
Abies balsamea;
Picea glauca;
Pinus mugo;
white spruce;
balsam fir;
Abies alba;
Abies pectinata;
Picea alba;
Pinus strobus;
Pinus montana;
Pinus mugho;
Siberian stone pine;
Siberian fir;
Abies sibirica o. pichta;
white fir;
Weymouth pine;
European
Published in 1913
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