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M. Kašanin-Grubin, E. Hukić, Michal Bellan, K. Bielak, M. Bošeľa, L. Coll, Marcin Czacharowski, G. Gajica, F. Giammarchi, E. Gömöryová, M. del Río, L. Dincă, Svetlana Djogo Mračević, M. Klopčič, S. Mitrović, M. Pach, Dragan M. Randjelovic, R. Ruiz‐Peinado, J. Skrzyszewski, J. Orlić, S. Štrbac, S. Stojadinovic, G. Tonon, Tomislav Tosti, E. Uhl, G. Veselinović, M. Veselinović, T. Zlatanov, R. Tognetti
4 14. 9. 2021.

Soil Erodibility in European Mountain Beech Forests

Forests in Europe are, at present not endangered by soil erosion, however, this can change with climate change or intensified forest management practices. Using a newly established network of plots in beech forests across Europe, the aims of this study were 1) discrimination of soil properties and erodibility indices in relation to bedrock, 2) determination of geochemical properties and Corg influencing erodibility, and 3) assessment of the effect of soil depth on erodibility indices. Seventy-six soil samples from 20 beech forests were collected in 11 countries to quantify soil properties influencing erodibility indices clay ratio, modified clay ratio, sodium adsorption ratio, and oxides ratio. Results indicate that dominant soil properties, determined by bedrock, that correlate with forest soil erodibility indices are: Corg, pH, EC, Ca and Na ion concentrations, total-water soluble cations, and the % of sand. According to the tested indices, soil susceptibility to erosion follows the sequence: granite>andesite>sandstone>quartzite>limestone. Deeper soil horizons on granite are more susceptible to erosion than surface horizons, while this is not the case for soils on limestones. In conclusion, forest management should consider the predisposition of different soil types to erosion.

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