<abstract xmlns="http://www.w3.org/1999/xhtml"><p> This article studied the extent of accumulation of aqua regia extractable metallic elements (Al, Mg, Pb, Zn, Hg, Cd) into peaty (histic) epipedon (EP) of fen soils, transitional bog soils, peaty gley soils and peaty podzols. The accumulation coefficients (Kac) of the elements in EP were estimated in relation of forest floor (FF, as an input) as a comparison to deeper levels (SS, as a past background). The study revealed that the extent of accumulation and its order depend on soil (peat) type or pedo-ecological conditions of peatification. In the forming of EP from FF, the concentrations of Al and Pb were increased on an average 2.5-5.0 times, but that of Hg increased significantly only in peaty soils (on an average 1.5-1.6 times). The contents of Zn were significantly decreased (Kac 0.1-0.5) in all soil groups. The comparison of EP peats concentrations with SS data demonstrated a considerable accumulation of Pb, Cd, Zn and Hg into thin (~20 cm) superficial peat layer.</p></abstract>

This article studied the extent of accumulation of aqua regia extractable metallic elements (Al, Mg, Pb, Zn, Hg, Cd) into peaty (histic) epipedon (EP) of fen soils, transitional bog soils, peaty gley soils and peaty podzols. The accumulation coefficients (Kac) of the elements in EP were estimated in relation of forest floor (FF, as an input) as a comparison to deeper levels (SS, as a past background). The study revealed that the extent of accumulation and its order depend on soil (peat) type or pedo-ecological conditions of peatification. In the forming of EP from FF, the concentrations of Al and Pb were increased on an average 2.5-5.0 times, but that of Hg increased significantly only in peaty soils (on an average 1.5-1.6 times). The contents of Zn were significantly decreased (Kac 0.1-0.5) in all soil groups. The comparison of EP peats concentrations with SS data demonstrated a considerable accumulation of Pb, Cd, Zn and Hg into thin (~20 cm) superficial peat layer.

Accumulation of metallic elements into the superficial peat layer of mires and wet mineral soils of Estonian forest land / Akumulacja metali w powierzchniowej warstwie gleb torfowych i wilgotnych glebach mineralnych ekosystemów leśnych Estonii

Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Kreutzwaldi St. 1a, 51014 Tartu, Estonia tel.: 37 27 313536

Bureau of Forest Monitoring, Estonian Centre of Forest Protection and Silviculture, Rõõmu tee 2, 51013 Tartu, Estonia

Institute of Agricultural and Forest Environment, Polish Academy of Sciences, Bukowska 19 St., 60-809 Poznań, Poland

Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Kreutzwaldi St. 1a, 51014 Tartu, Estonia

Environmental Protection and Natural Resources

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

This article studied the extent of accumulation of aqua regia extractable metallic elements (Al, Mg, Pb, Zn, Hg, Cd) into peaty (histic) epipedon (EP) of fen...

Accumulation of metallic elements into the superficial peat layer of mires and wet mineral soils of Estonian forest land / Akumulacja metali w powierzchniowej warstwie gleb torfowych i wilgotnych glebach mineralnych ekosystemów leśnych Estonii

Published Online: Dec 30, 2015

Page range: 6 - 9

DOI: https://doi.org/10.1515/oszn-2015-0021

Keywords
accumulation coefficient, metallic elements, peat, peaty epipedon, forest land

© by Raimo Kõlli

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Accumulation of metallic elements into the superficial peat layer of mires and wet mineral soils of Estonian forest land / Akumulacja metali w powierzchniowej warstwie gleb torfowych i wilgotnych glebach mineralnych ekosystemów leśnych Estonii

Published Online: Dec 30, 2015

Page range: 6 - 9

DOI: https://doi.org/10.1515/oszn-2015-0021

Keywordsaccumulation coefficient, metallic elements, peat, peaty epipedon, forest land

© by Raimo Kõlli

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
accumulation coefficient, metallic elements, peat, peaty epipedon, forest land