By the same authors

From the same journal

Ammonia exposure promotes algal biomass in an ombrotrophic peatland

Research output: Contribution to journalArticle

Published copy (DOI)

Author(s)

  • Richard J. Payne
  • Vincent E. J. Jassey
  • Ian D. Leith
  • Lucy J. Sheppard
  • Nancy B. Dise
  • Daniel Gilbert

Department/unit(s)

Publication details

JournalSoil Biology and Biochemistry
DateE-pub ahead of print - 26 Sep 2012
DatePublished (current) - Feb 2013
Volume57
Number of pages3
Pages (from-to)936-938
Early online date26/09/12
Original languageEnglish

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.

    Research areas

  • Nitrogen, Pollution impact, Bioindication, Euglenids, Desmids, Testate amoebae

Discover related content

Find related publications, people, projects, datasets and more using interactive charts.

View graph of relations