Holocene history and environmental reconstruction of a Hercynian mire and surrounding mountain landscape based on multiple proxies

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Authors

DUDOVÁ Lydie HÁJKOVÁ Petra OPRAVILOVÁ Věra HÁJEK Michal

Year of publication 2014
Type Article in Periodical
Magazine / Source Quaternary Research
MU Faculty or unit

Faculty of Science

Citation
Doi http://dx.doi.org/10.1016/j.yqres.2014.04.017
Field Ecology
Keywords fen-bog transition; transfer functions; macrofossil and pollen analysis
Description We discovered the first peat section covering the entire Holocene in the Hrubý Jeseník Mountains. We analysed pollen, plant macrofossils (more abundant in bottom layers), testate amoebae (more abundant in upper layers), peat stratigraphy and chemistry. The mire started to develop as a calcium-rich percolation fen with some species recently considered to be postglacial relicts (Meesia triquetra, Betula nana), shifted into ombrotrophy around 7450 cal yr BP by autogenic succession and changed into a pauperised, nutrient-enriched spruce woodland due to modern forestry activities. Further, we found that the landscape development differed from other Hercynian mountains located westward. This is represented by Pinus cembra and Larix during the Pleistocene/Holocene transition, the early expansion of spruce around 10,450 cal yr BP, and survival of Larix during the climatic optimum.
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