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Juhani Sarasto

Metsän kasvattamiseksi ojitettujen soiden aluskasvillisuudenrakenteesta ja kehityksestä Suomen eteläpuoliskossa

Sarasto J. (1957). Metsän kasvattamiseksi ojitettujen soiden aluskasvillisuudenrakenteesta ja kehityksestä Suomen eteläpuoliskossa. Acta Forestalia Fennica vol. 65 no. 7 article id 7470. https://doi.org/10.14214/aff.7470

English title: Understorey vegetation and its development in drained peatlands in the southern half of Finland.

Abstract

According to studies following the development of vegetation of drained peatlands, it seems that they have transformed to a relatively stable plant communities during the succession. In earlier studies it was assumed that after drainage a mire type would develop to a corresponding forest site. This investigation studies what kinds of plant communities are formed during succession of different mire types on peatlands drained for forestry in the southern half of Finland. Understorey vegetation was studied in 18 sample plots established by Forest Research Institute on drained peatlands. In addition, sample plots were studied on peatlands in natural state.

The results suggest that understorey vegetation on peatlands drained for forestry have developed into plant communities, the most advanced of which are the so-called dry plant communities. They represent transformed site types, which are the following: drained peatlands with upland herb-rich vegetation, drained peatlands with upland grass-herb vegetation, drained peatlands with upland Myrtillus site type vegetation, drained peatlands with upland Vaccinium site type vegetation, and drained peatlands with upland Calluna site type vegetation. Drained peatlands with upland Cladonia site type vegetation seem to be a temporary type caused by incomplete drainage. The transition between Myrtillus and Vaccinium dominated dry plant communities is not clear, but especially the pure Vaccinium vitis-ideae communities justify its place as an independent plant community. The dry drwarf shrub plant communities are also stable.

The PDF includes a summary in German.

Original keywords
ojitus; turvekangas; metsätyyppi; suotyyppi; kasvillisuus; sukkessio; aluskasvillisuus; kasvillisuustyyppi

English keywords
understorey; ground vegetation; peatlands; drained peatlands; forest type; peatland type; mire type; vegetation; succession; transformed peatlands; plant communities

Published in 1957

Available at https://doi.org/10.14214/aff.7470 | Download PDF

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