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Acta Forestalia Fennica vol. 40 no. 11 | 1934

Category: Article

article id 7288, category Article
Yrjö Ilvessalo. (1934). Metsä- ja suotyyppien esiintymisen keskinäisestä suhteesta. Acta Forestalia Fennica vol. 40 no. 11 article id 7288. https://doi.org/10.14214/aff.7288
English title: The mutual relation between the occurrence of forest site types and swamp types.
English keywords: paludification; peatland; fertility

The relation between the occurrence of forest site types and swamp types was studied using data collected in the national line survey of Finnish forests carried out in 1921‒1924. The majority of peatlands in Finland has been formed by forest land becoming paludificated. When the peat layer is thin, the fertility of the peatland depends on the underlying mineral soil, consequently, good swamp types occur on fertile subsoil and poor types on poor subsoil. When the peat layer becomes thicker, the relationship weakens. The surrounding mineral soils influence the quality of the peatland by the runoff from the catchment area. The direct comparison of forest site and swamp types is not possible, because for one forest site type there are several swamp types that have different levels of humidity. According to the study, a very distinct mutual relation can be seen between occurrence of forest site types and swamp types.

The PDF includes a summary in English.

  • Ilvessalo, ORCID ID:E-mail:

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