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Acta Forestalia Fennica vol. 5 no. 2 | 1915

Category: Article

article id 7011, category Article
Antti Tanttu. (1915). Tutkimuksia ojitettujen soiden metsittymisestä. Acta Forestalia Fennica vol. 5 no. 2 article id 7011. https://doi.org/10.14214/aff.7011
English title: Studies on forest growth of drained peatlands.
Original keywords: ojitus; räme; neva: korpi; turvekangas

Draining of peatlands to improve forest growth started to increase in Finland in the beginning of 1900s. The aim of the study was to find out which kind of peatlands are suitable for draining. The peatlands examined in this study had been drained earlier in 1800s for other purposes, and the original peatland type was deduced afterwards. When the peatland is drained, its vegetation changes gradually towards that of mineral soil sites, depending on the original peatland type. The article includes detailed description of the vegetation on different drained peatland sites. Best represented in the study were different types of pine swamps, which change towards Calluna or Vaccinium forest site type depending on the original peatland type. The Sphangnum species and brushwood disappear gradually and Cladina sp. become common in some drained pine swamp types. Scots pine (Pinus sylvestris L.) regenerates well on most drained pine swamps, and also Betula sp may grow as dominant species. The richer pine swamp types develop to Vaccinium-myrtillus forest site type, which may grow also Norway spruce (Picea abies (L.) H. Karst). Drained treeless bogs change first towards pine swamps. However, trees regenerate poorly on these sites and the growth is low. Flark-bogs develop typically to treeless lichen heaths. Drained spruce swamps develop to forest with grass-herb vegetation or Myrtillus site type.

The PDF includes a summary in German.

  • Tanttu, ORCID ID:E-mail:

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