globalchange  > 影响、适应和脆弱性
DOI: 10.1111/gcb.14156
Scopus记录号: 2-s2.0-85046354689
论文题名:
The response of soil solution chemistry in European forests to decreasing acid deposition
作者: Johnson J.; Graf Pannatier E.; Carnicelli S.; Cecchini G.; Clarke N.; Cools N.; Hansen K.; Meesenburg H.; Nieminen T.M.; Pihl-Karlsson G.; Titeux H.; Vanguelova E.; Verstraeten A.; Vesterdal L.; Waldner P.; Jonard M.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2018
卷: 24, 期:8
起始页码: 3603
结束页码: 3619
语种: 英语
英文关键词: acid deposition ; air pollution ; aluminium ; critical loads ; dissolved organic carbon ; nitrogen ; soil acidification ; sulphur
Scopus关键词: acid deposition ; acidity ; aluminum ; atmospheric pollution ; concentration (composition) ; dissolved organic carbon ; nitrogen ; soil chemistry ; sulfur ; Europe ; North America
英文摘要: Acid deposition arising from sulphur (S) and nitrogen (N) emissions from fossil fuel combustion and agriculture has contributed to the acidification of terrestrial ecosystems in many regions globally. However, in Europe and North America, S deposition has greatly decreased in recent decades due to emissions controls. In this study, we assessed the response of soil solution chemistry in mineral horizons of European forests to these changes. Trends in pH, acid neutralizing capacity (ANC), major ions, total aluminium (Altot) and dissolved organic carbon were determined for the period 1995–2012. Plots with at least 10 years of observations from the ICP Forests monitoring network were used. Trends were assessed for the upper mineral soil (10–20 cm, 104 plots) and subsoil (40–80 cm, 162 plots). There was a large decrease in the concentration of sulphate (SO4 2-) in soil solution; over a 10-year period (2000–2010), (SO4 2-) decreased by 52% at 10–20 cm and 40% at 40–80 cm. Nitrate was unchanged at 10–20 cm but decreased at 40–80 cm. The decrease in acid anions was accompanied by a large and significant decrease in the concentration of the nutrient base cations: calcium, magnesium and potassium (Bc = Ca2+ + Mg2+ + K+) and Altot over the entire dataset. The response of soil solution acidity was nonuniform. At 10–20 cm, ANC increased in acid-sensitive soils (base saturation ≤10%) indicating a recovery, but ANC decreased in soils with base saturation >10%. At 40–80 cm, ANC remained unchanged in acid-sensitive soils (base saturation ≤20%, pHCaCl 2 ≤ 4.5) and decreased in better-buffered soils (base saturation >20%, pHCaCl 2 > 4.5). In addition, the molar ratio of Bc to Altot either did not change or decreased. The results suggest a long-time lag between emission abatement and changes in soil solution acidity and underline the importance of long-term monitoring in evaluating ecosystem response to decreases in deposition. © 2018 John Wiley & Sons Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/110288
Appears in Collections:影响、适应和脆弱性
气候变化事实与影响

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作者单位: School of Agriculture and Food Science, University College Dublin, Dublin, Ireland; WSL, Swiss Federal Institute for Forest, Snow and Landscape Research, Birmensdorf, Switzerland; Earth Sciences Department, University of Florence, Firenze, Italy; Norwegian Institute of Bioeconomy Research, Ås, Norway; Research Institute for Nature and Forest (INBO), Brussels, Belgium; IVL Swedish Environmental Research Institute, Stockholm, Sweden; Swedish Environmental Protection Agency, Stockholm, Sweden; Northwest German Forest Research Institute, Göttingen, Germany; Natural Resources Institute Finland Luke, Helsinki, Finland; IVL Swedish Environmental Research Institute, Göteborg, Sweden; UCL-ELI, Université Catholique de Louvain, Earth and Life Institute, Louvain-la-Neuve, Belgium; Centre for Ecosystem, Society and Biosecurity, Forest Research, Farnham, Surrey, United Kingdom; Department of Geosciences and Natural Resource Management, University of Copenhagen, Frederiksberg, Denmark

Recommended Citation:
Johnson J.,Graf Pannatier E.,Carnicelli S.,et al. The response of soil solution chemistry in European forests to decreasing acid deposition[J]. Global Change Biology,2018-01-01,24(8)
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