Abstract
With this paper we investigate the effect of sand contribution to organic soils and direct influence of this process on the physical and physicochemical properties on the example of transitional bog in the Stolowe Mountains (the Central Sudetes), which was periodically covered by sand material from sandstone cliffs weathering. Field survey and soil sampling were conducted in August 2015 in the area of Biale Skaly. Soil material for laboratory analysis was collected from three peat cores, while soil samples were collected from each soil horizon distinguished in each core. Obtained results indicate the great impact of mineral material admixture on soil properties, both physicochemical and chemical. Recorded values of each soil parameter in the organic horizons adjacent to the mineral interlayers differ considerably from those obtained in the soil profile free of sand admixtures. Preliminary study of soil cover of transitional bog will allow correct planning of palaeoecological research about genesis and evolution of this peatland.
Highlights
Peat, organic soils, is sedentarily accumulated material consisting of at least 20% of organic material, which accumulated as a result of limited decay of peat-forming plants in the area periodically inundated or saturated by water (Joosten and Clarke 2002)
The aim of this study was to analyze the effect of mineral admixtures from sandstone escarpments on the physical and physicochemical properties of organic soils from transitional bog in the Stołowe Mountains
Mineral admixture affects the properties of studied organic soils
Summary
Organic soils, is sedentarily accumulated material consisting of at least 20% of organic material, which accumulated as a result of limited decay of peat-forming plants in the area periodically inundated or saturated by water (Joosten and Clarke 2002). The same author, based on the Sudetes peatland study, reported that mineral admixtures or interlayers might cause the periodical inhibition of peat accumulation process. The phenomenon of mineral materials admixtures to organic soil is wider and more complex in mountain peatlands, in particular (Glina and Bogacz 2016). Mineral layers in organic soils, might be a result of slope processes, e.g. in the areas of sloping peatlands in the Central Sudetes (Glina et al 2013) or landslide peat bogs in the Carpathians (Margielewski 2006, 2014; Margielewski et al 2011). The aim of this study was to analyze the effect of mineral admixtures (sand) from sandstone escarpments on the physical and physicochemical properties of organic soils from transitional bog in the Stołowe Mountains (the Central Sudetes). Preliminary soil study will allow correct planning of palaeoecological research on genesis and evolution of this peatland
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