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Appears in Collections:Biological and Environmental Sciences Journal Articles
Peer Review Status: Refereed
Title: Testate amoeba response to acid deposition in a Scottish peatland
Authors: Payne, Richard
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Keywords: Protists
Volcanic impacts
Sulphate deposition
Issue Date: Jun-2010
Publisher: Springer
Citation: Payne R (2010) Testate amoeba response to acid deposition in a Scottish peatland, Aquatic Ecology, 44 (2), pp. 373-385.
Abstract: Peatlands around the world are exposed to anthropogenic or volcanogenic sulphur pollution. Impacts on peatland microbial communities have been inferred from changes in gas flux but have rarely been directly studied. In this study, the impacts of sulphuric acid deposition on peatland testate amoebae were investigated by analysis of experimental plots on a Scottish peatland almost 7 years after acid treatment. Results showed reduced concentration of live amoebae and changes in community structure which remained significant even when differences in pH were accounted for. Several possible explanations for the impacts can be proposed including taphonomic processes and changes in plant communities. Previous studies have inferred a shift from methanogenic archaea to sulphate-reducing bacteria in sulphate-treated peats; it is possible that the impacts detected here might relate to this change, perhaps through testate amoeba predation on methanotrophs.
Type: Journal Article
DOI Link:
Rights: Publisher policy allows this work to be made available in this repository. Published in Aquatic Ecology, June 2010, Volume 44, Issue 2, pp 373-385 by Springer. The original publication is available at
Affiliation: Biological and Environmental Sciences

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