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M. Lappi-Seppälä (email)

Siperian lehtikuusen kasvusta sekametsiköissä Evon valtionpuistossa

Lappi-Seppälä M. (1942). Siperian lehtikuusen kasvusta sekametsiköissä Evon valtionpuistossa. Acta Forestalia Fennica vol. 50 no. 8 article id 7361. https://doi.org/10.14214/aff.7361

English title: Growth of Siberian larch in mixed stands in state forests of Evo in Finland

Abstract

Of the foreign tree species Siberian larch (Larix sibirica Ledeb.) has the biggest economical potential in Finland. In its natural distribution the species grows mostly in mixed stands in other areas than the core of its range in Siberia, where it grows also in pure stands. However, growth studies have given contradictory results about how Siberian larch can manage competition of different tree species in mixed stands. In this study two-year old Siberian larch seedlings were planted in areas previously sown with Norway spruce (Picea abies (L.) Karst.) and Scots pine (Pinus sylvestris L.). The growth of the trees was measured when the stands were 50 years old.

It appears that the stands, about 3700 larch seedlings per hectare, have originally been too been too dense. In the two thinnings done in the area, larch has probably been favoured, which has resulted in varying mix of pine and spruce. In the 50-year old stands, Siberian larch has developed faster than Scots pine and Norway spruce. Contrary to some previous studies, the results show that Siberian larch can be grown also in mixed stands, but the growth will probably be slower than in pure stands. Best growth is achieved in pure stands that have been planted thinly enough.

The PDF includes a summary in German.

Original keywords
kuusi; tiheys; mänty; sekametsä; siperianlehtikuusi

English keywords
Pinus sylvestris; Norway spruce; Picea abies; Scots pine; growth; mixed forests; Siberian larch; Larix sibirica

Published in 1942

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Available at https://doi.org/10.14214/aff.7361 | Download PDF

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