Tree species affects the concentration of total mercury (Hg) in forest soils: Evidence from a forest soil inventory in Poland

Piotr Gruba , Jarosław Socha , Marcin Pietrzykowski , Daryna Pasichnyk

Abstract

This studywas performed to test the hypothesis that tree species significantly affectsmercury (Hg) sequestration in forest soils. We analyzed the effect of seven dominant tree species (Scots pine, black alder, Norway spruce, silver birch, deciduous oak, silver fir, and European beech on the concentrations and pools of Hg in a range of forest soils in Poland. We set up 277 sample plots representing dominant tree species in Poland. Soil samples were taken and analyzed for total Hg content, soil texture, and soil C and nitrogen (N) content. Concentrations of total Hg in forest soil (organic and mineral horizons) varied by several orders of magnitude as a result of natural variations in organic matter, sand content, and altitude. Spatial analysis revealed that maximum concentrations (mg kg−1) and stocks (mgm−2) of Hgwere related to mountain stands at higher elevations with loamy soils and greater accumulation of soil organic matter. The stocks of Hg in the investigated soil profiles increased in the order of: pine (12 mg m−2) ≈ birch (15 mg m−2) b oak (21 mg m−2) ≈ alder (24 mg m−2) b beech (45mgm−2)≈spruce (50mgm−2) b fir (66mgm−2). Simple analysis of variance suggested an important effect of dominant tree species on Hg concentrations and stocks in entire soil profiles, but multiple regression analysis showed that dominant tree species had a significant effect on accumulation of Hg in soil, but only in the organic horizon; in mineral soil theHg was contentwas related to C content, soil texture and altitude. The organic horizon had greater accumulation of Hg under coniferous tree species (Scots pine, silver fir and Norway spruce) and European beech when compared with deciduous oak, black alder, and silver birch.
Author Piotr Gruba (FoF / IoEaS / DFSS)
Piotr Gruba,,
- DEPARTMENT FOREST SOIL SCIENCE
, Jarosław Socha (FoF / IoFRM / DoBaPoF)
Jarosław Socha,,
- DEPARTMENT OF BIOMETRY AND PRODUCTION OF FOREST
, Marcin Pietrzykowski (FoF / IoEaS / DoEoFaR)
Marcin Pietrzykowski,,
- DEPARTMENT OF ECOLOGY OF FOREST AND RECLAMATION
, Daryna Pasichnyk (FoF / IoFRM / DoBaPoF)
Daryna Pasichnyk ,,
- DEPARTMENT OF BIOMETRY AND PRODUCTION OF FOREST
Journal seriesScience of the Total Environment, ISSN 0048-9697, e-ISSN 1879-1026, (N/A 200 pkt)
Issue year2019
Vol647
Pages141-148
Publication size in sheets0.5
Keywords in EnglishMercury, Forest soil, Organic matter, Sand fraction, Poland
ASJC Classification2304 Environmental Chemistry; 2305 Environmental Engineering; 2310 Pollution; 2311 Waste Management and Disposal
DOIDOI:10.1016/j.scitotenv.2018.07.452
URL https://www.sciencedirect.com/science/article/pii/S0048969718329474?via%3Dihub
Languageen angielski
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Tree species affects the concentration of total mercury (Hg) in forest soils: Evidence from a forest soil inventory in Poland of 29-10-2018
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Tree species affects the concentration of total mercury (Hg) in forest soils: Evidence from a forest soil inventory in Poland
Score (nominal)200
Score sourcejournalList
Publication indicators WoS Citations = 7; Scopus SNIP (Source Normalised Impact per Paper): 2016 = 1.849; WoS Impact Factor: 2018 = 5.589 (2) - 2018=5.727 (5)
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