Tilastoa Pohjois-Suomen metsä- ja suotyypeistäStatistics of forest and peatland site types in Northern Finland.
The vegetation of the forest and peatland site types in Northern Finland differ markedly from those in Southern Finland, also the vegetation of the subtypes in the north is distinctive. A line survey was conducted to study the distribution of forest and peatland site subtypes in Northern Finland.
The vegetation of rich grass-herb forest types differs little from the poorer grass-herb forest types in Northern Finland. They abundance decrease towards north. The main fresh mineral soil sites are Myrtillus site type, Hylocomnium-Myrtillus site type and their paludified forms. The abundance of the fresh mineral soil sites decreased towards north so that in Kemi the proportion was 20.5 and in Lapland 12.0%. A transition from the fresh to the drier site types is gradual. The Vaccinium site type that is dominant in the south, is rare in the north, where it is replaced by Empetrum-Vaccinium type. The proportion of dry forest sites increase towards north, in average their distribution is 25% of the lands. There are numerous subtypes, which can be merged in to four main site types: Calluna, Cladina-Calluna, Myrtillus-Cladina and Cladina site type. The peatlands are more abundant in the southern part of the study area. The most common peatland types are pine swamps.
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Published in 1921