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Regional trends in soil acidification and metal mobilisation related to acid deposition

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Regional trends in soil acidification and metal mobilisation related to acid deposition. / Stevens, Carly; Dise, N.B.; Gowing, D.J.G.

In: Environmental Pollution, Vol. 157, No. 1, 01.2009, p. 313-319.

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Stevens, Carly ; Dise, N.B. ; Gowing, D.J.G. / Regional trends in soil acidification and metal mobilisation related to acid deposition. In: Environmental Pollution. 2009 ; Vol. 157, No. 1. pp. 313-319.

Bibtex

@article{62ada3317539487eb017ad8f4701ee3f,
title = "Regional trends in soil acidification and metal mobilisation related to acid deposition",
abstract = "The deposition of high levels of reactive nitrogen (N) and sulphur (S), or the legacy of that deposition, remain among the world's most important environmental problems. Although regional impacts of acid deposition in aquatic ecosystems have been well documented, quantitative evidence of wide-scale impacts on terrestrial ecosystems is not common. In this study we analysed surface and subsoil chemistry of 68 acid grassland sites across the UK along a gradient of acid deposition, and statistically related the concentrations of exchangeable soil metals (1 M KCl extraction) to a range of potential drivers. The deposition of N, S or acid deposition was the primary correlate for 8 of 13 exchangeable metals measured in the topsoil and 5 of 14 exchangeable metals in the subsoil. In particular, exchangeable aluminium and lead both show increased levels above a soil pH threshold of about 4.5, strongly related to the deposition flux of acid compounds.",
keywords = "Acidification, Aluminium , Lead , Nitrogen deposition , Sulphur deposition",
author = "Carly Stevens and N.B. Dise and D.J.G. Gowing",
year = "2009",
month = jan,
doi = "10.1016/j.envpol.2008.06.033",
language = "English",
volume = "157",
pages = "313--319",
journal = "Environmental Pollution",
issn = "0269-7491",
publisher = "Elsevier Ltd",
number = "1",

}

RIS

TY - JOUR

T1 - Regional trends in soil acidification and metal mobilisation related to acid deposition

AU - Stevens, Carly

AU - Dise, N.B.

AU - Gowing, D.J.G.

PY - 2009/1

Y1 - 2009/1

N2 - The deposition of high levels of reactive nitrogen (N) and sulphur (S), or the legacy of that deposition, remain among the world's most important environmental problems. Although regional impacts of acid deposition in aquatic ecosystems have been well documented, quantitative evidence of wide-scale impacts on terrestrial ecosystems is not common. In this study we analysed surface and subsoil chemistry of 68 acid grassland sites across the UK along a gradient of acid deposition, and statistically related the concentrations of exchangeable soil metals (1 M KCl extraction) to a range of potential drivers. The deposition of N, S or acid deposition was the primary correlate for 8 of 13 exchangeable metals measured in the topsoil and 5 of 14 exchangeable metals in the subsoil. In particular, exchangeable aluminium and lead both show increased levels above a soil pH threshold of about 4.5, strongly related to the deposition flux of acid compounds.

AB - The deposition of high levels of reactive nitrogen (N) and sulphur (S), or the legacy of that deposition, remain among the world's most important environmental problems. Although regional impacts of acid deposition in aquatic ecosystems have been well documented, quantitative evidence of wide-scale impacts on terrestrial ecosystems is not common. In this study we analysed surface and subsoil chemistry of 68 acid grassland sites across the UK along a gradient of acid deposition, and statistically related the concentrations of exchangeable soil metals (1 M KCl extraction) to a range of potential drivers. The deposition of N, S or acid deposition was the primary correlate for 8 of 13 exchangeable metals measured in the topsoil and 5 of 14 exchangeable metals in the subsoil. In particular, exchangeable aluminium and lead both show increased levels above a soil pH threshold of about 4.5, strongly related to the deposition flux of acid compounds.

KW - Acidification

KW - Aluminium

KW - Lead

KW - Nitrogen deposition

KW - Sulphur deposition

U2 - 10.1016/j.envpol.2008.06.033

DO - 10.1016/j.envpol.2008.06.033

M3 - Journal article

VL - 157

SP - 313

EP - 319

JO - Environmental Pollution

JF - Environmental Pollution

SN - 0269-7491

IS - 1

ER -