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Articles containing the keyword 'korpi'

Category : Article

article id 5016, category Article
H. Vasander, A. Mäkinen, P. Pakarinen. (1979). Kangaskorpimaannosten hivenainejakautumista ja -määristä. Silva Fennica vol. 13 no. 1 article id 5016. https://doi.org/10.14214/sf.a14870
English title: Trace elements in soil profiles of paludified spruce forests.
Original keywords: maaperä; turvemaat; korvet; maannos; mikroravinteet; hivenaineet; kangaskorpi; raskasmetallit
English keywords: peatlands; soil; gleysol; trace elements; metals
Abstract | View details | Full text in PDF | Author Info

Gleysol profiles of five southern Finnish sites dominated by Norway spruce (Picea abies (L.) H. Karst.) were described according to the Canadian system of soil classification, and the total contents of five metals (Pb, Zn, Cu, Mn, Fe) were analysed in each soil profile. Lead, zinc and manganese showed highest concentrations in the organic surface horizons with a decrease towards mineral soil horizons. Vopper distribution was somewhat irregular. Iron had maximum values in the mineral soil: in A-horizon of Rego Gleysols and in B-horizon of Fera Gleysols. A preliminary comparison of metal pools in soil (root layer) with annual atmospheric input shows that the role of atmospheric deposition is relatively greater in the case of Cu, Zn and Pb than for Fe or Mn.

The PDF includes a summary in English.

  • Vasander, E-mail: hv@mm.unknown (email)
  • Mäkinen, E-mail: am@mm.unknown
  • Pakarinen, E-mail: pp@mm.unknown
article id 4708, category Article
Eino Oinonen. (1963). Korpi-imarre (Lastrea phegopteris (L.) Bary) -kasvuston rakenteesta. Silva Fennica no. 113 article id 4708. https://doi.org/10.14214/sf.a14266
English title: On the structure of beech fern (Lastrea phegopteris (L.) Bary) community.
Original keywords: kasvusto; korpi-imarre; Phegopteris connectilis; rakenne; sanikkaiset
View details | Full text in PDF | Author Info
  • Oinonen, E-mail: eo@mm.unknown (email)

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
English keywords: draining; pine swamp; treeless bog; spruce swamp
Abstract | View details | Full text in PDF | Author Info

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, E-mail: at@mm.unknown (email)

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