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There are four coniferous and over 20 deciduous indigenous tree species in Finland. A large number of exotic tree species have also been planted for research and ornamental purposes. You can find out about these tree species in Metla's arboreta and along the research trails in the research forests.

More than 110 tree species in the trials

Photo: Teijo Nikkanen  

Exotic tree species have been studied in Finland since the end of the 19th century. The first Siberian larch (Larix sibirica) plantations were established in Punkaharju in the 1870's. In the 1930's over 300 hectares of forests were regenerated with exotic tree species mainly in the Punkaharju, Solböle and Ruotsinkylä research areas. Over 110 tree species, subspecies or varieties were included in the trials. The orginal aim was to study the possibilites of using exotic tree species in Finnish forestry, but this has not proved to be very feasible. Nowadays the experiments can be used for other purposes such as studies on the effects of climate change, etc.

Metla's arboreta are situated in Solböle, Ruotsinkylä, Punkaharju, Kivalo, Kolari, Kannus and Vilppula. Trails, information posters and other facilities have been set up for visitors. More detailed information about the arboreta and exotic tree species in Finland can be found in the guidebooks, publications and other information materials.

Metla´s arboreta:

For more information, please contact:
  Punkaharju research unit (Punkaharju)
  Vantaa research unit (Solböle and Ruotsinkylä)
  Kolari research unit (Kolari)
  Kannus research unit (Kannus)
  Parkano research unit (Vilppula)
  Rovaniemi research unit (Kivalo)

: Updated: 09.03.2011 /JHyv  |  Photo: Erkki Oksanen, Metla, unless otherwise stated  |  Copyright Metla  |  Feedback