Resilience of upland soils to long term environmental changes

The effect of long-term changes in land-use, pollution deposition and climate change on upland soils was evaluated by resurveying a large set of sites in a mountain landscape in the UK, which were initially sampled forty years ago. Unexpectedly, despite the length of time between sampling dates, no...

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Bibliographic Details
Published in:Geoderma 2013-04, Vol.197-198, p.36-42
Main Authors: McGovern, S.T., Evans, C.D., Dennis, P., Walmsley, C.A., Turner, A., McDonald, M.A.
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
Assessments
Atmospheric pollution
Biological and medical sciences
Cation exchanging
cations
Climate change
Deposition
Earth sciences
Earth, ocean, space
Engineering and environment geology. Geothermics
Exact sciences and technology
Fundamental and applied biological sciences. Psychology
Grazing
grazing intensity
Highlands
Land use
land use change
landscapes
long term effects
Mountains
Nitrogen
pollution
Pollution, environment geology
Sampling
Soil chemistry
Soils
sulfur
Surficial geology
temperature
upland soils
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Summary:The effect of long-term changes in land-use, pollution deposition and climate change on upland soils was evaluated by resurveying a large set of sites in a mountain landscape in the UK, which were initially sampled forty years ago. Unexpectedly, despite the length of time between sampling dates, no significant changes in pH, soil exchangeable base cations or C and N percentage content by weight were observed across a range of soil type and parent material. This suggests that the soils have been relatively resistant to the large changes in the environmental pressures experienced in the past forty years, which include a 1.5°C increase in mean temperature; the peak of UK sulphur deposition in around 1970, followed by ~90% deposition reduction; long-term increases in nitrogen deposition; and major changes in grazing intensity. These results suggest that upland soils may be considerably more resilient to the future environmental changes than many previous assessments have suggested. ► We survey the effect of environmental change on mountain soils. ► Soils were resistant to large changes in environmental pressures experienced. ► Upland soils may be more resilient to environmental change than previously thought.
ISSN:0016-7061
1872-6259
DOI:10.1016/j.geoderma.2012.12.018