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Acta Forestalia Fennica vol. 16 no. 1 | 1920

Category: Article

article id 7043, category Article
O. J. Lukkala. (1920). Tutkimuksia soiden kantokerroksista. Acta Forestalia Fennica vol. 16 no. 1 article id 7043. https://doi.org/10.14214/aff.7043
English title: Studies on stump layers in peatlands in Finland.
English keywords: peat profile; paludification; climate

The investigations that have studied peat layers in peatlands have shown that the peatlands in several countries have layers containing tree stumps of different tree species. The stump layers have been explained by local hydrological changes that have caused paludification, or changes in climate.

Peat layers were studied in drained peatlands in Finland, and ditches were used to study the peat profiles. A peatland in Multia in Central Finland was studied in more detail. Tree stump layer patterns that would support the climate change explanation was not found in the Finnish peatlands. The peat changes usually gradually more oligotrophic towards the surface. The stump layers seemed to be caused by local drier periods. According to the layers of Sphagnum-peat near the bottom of the peatlands and the pollen studies indicate that the peatlands have been formed at different times. In South-West Finland, the peat profiles had more apparent layer patterns than in Central Finland, but these were not considered to be caused by changes in climate.

The PDF includes a summary in German.

  • Lukkala, ORCID ID:E-mail:

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