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Appears in Collections:Biological and Environmental Sciences Journal Articles
Peer Review Status: Refereed
Title: Ammonia exposure promotes algal biomass in an ombrotrophic peatland
Author(s): Payne, Richard
Jassey, Vincent E J
Leith, Ian D
Sheppard, Lucy J
Dise, Nancy B
Gilbert, Daniel
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Keywords: Nitrogen
Pollution impact
Testate amoebae
Issue Date: Feb-2013
Date Deposited: 30-Oct-2013
Citation: Payne R, Jassey VEJ, Leith ID, Sheppard LJ, Dise NB & Gilbert D (2013) Ammonia exposure promotes algal biomass in an ombrotrophic peatland. Soil Biology and Biochemistry, 57, pp. 936-938.
Abstract: Nitrogen pollution affects many peatlands with consequences for their biodiversity and ecosystem function. Microorganisms control nutrient cycling and constitute most of the biodiversity of peatlands but their response to nitrogen is poorly characterised and likely to depend on the form of deposition. Using a unique field experiment we show that ammonia exposure at realistic point source levels is associated with a general shift from heterotrophic (bacteria and fungi) to autotrophic (algal) dominance and an increase in total biomass. The biomass of larger testate amoebae increased, suggesting increased food supply for microbial predators. Results show the widespread impacts of N pollution and suggest the potential for microbial community-based bioindicators in these ecosystems.
DOI Link: 10.1016/j.soilbio.2012.09.012
Rights: Published in Soil Biology and Biochemistry by Elsevier; Elsevier believes that individual authors should be able to distribute their accepted author manuscripts for their personal voluntary needs and interests, e.g. posting to their websites or their institution’s repository, e-mailing to colleagues. The Elsevier Policy is as follows: Authors retain the right to use the accepted author manuscript for personal use, internal institutional use and for permitted scholarly posting provided that these are not for purposes of commercial use or systematic distribution. An "accepted author manuscript" is the author’s version of the manuscript of an article that has been accepted for publication and which may include any author-incorporated changes suggested through the processes of submission processing, peer review, and editor-author communications.

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