Comparison of greenhouse gas fluxes and nitrogen budgets from an ombotrophic bog in Scotland and a minerotrophic sedge fen in Finland

Drewer, J. ORCID: https://orcid.org/0000-0002-6263-6341; Lohila, A.; Aurela, M.; Laurila, T.; Minkkinen, K.; Penttilä, T.; Dinsmore, K.J.; McKenzie, R.M. ORCID: https://orcid.org/0009-0009-9928-8780; Helfter, C. ORCID: https://orcid.org/0000-0001-5773-4652; Flechard, C.; Sutton, M.A. ORCID: https://orcid.org/0000-0002-6263-6341; Skiba, U.M. ORCID: https://orcid.org/0000-0001-8659-6092. 2010 Comparison of greenhouse gas fluxes and nitrogen budgets from an ombotrophic bog in Scotland and a minerotrophic sedge fen in Finland. European Journal of Soil Science, 61. 640-650. https://doi.org/10.1111/j.1365-2389.2010.01267.x

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Abstract/Summary

Northern peatlands cover approximately 4% of the global land surface area. Those peatlands will be particularly vulnerable to environmental and climate change and therefore it is important to investigate their total greenhouse gas (GHG) budgets, to determine the feedback on the climate. Nitrogen (N) is known to influence the GHG budget in particular by affecting the methane (CH4) balance. At two peatland sites in Scotland and Finland GHG fluxes of carbon dioxide (CO2), methane and nitrous oxide (N2O) and nitrogen fluxes were measured as part of the European project ‘NitroEurope’. The Scottish site, Auchencorth Moss, was a GHG sink of −321, −490 and −321 g CO2 eq m−2 year−1 in 2006, 2007 and 2008, respectively, with CO2 as the dominating GHG. In contrast, the dominating GHG at the Finnish site, Lompolojnkk, was CH4, resulting in the site being a net GHG source of +485 and +431 g CO2 eq m−2 year−1 in 2006 and 2007, respectively. Therefore, Auchencorth Moss had a negative global warming potential (GWP) whilst Lompolojnkk had a positive GWP over the investigated time period. Initial results yielded a positive N budget for Lompolojnkk of 7.1 kg N ha−1 year−1, meaning the site was gaining nitrogen, and a negative N budget for Auchencorth Moss of −2.4 kg N ha year−1, meaning the site was losing nitrogen

Item Type:	Publication - Article
Digital Object Identifier (DOI):	https://doi.org/10.1111/j.1365-2389.2010.01267.x
Programmes:	CEH Topics & Objectives 2009 - 2012 > Biogeochemistry > BGC Topic 1 - Monitoring and Interpretation of Biogeochemical and Climate Changes > BGC - 1.3 - Quantify & attribute changes in biogeochemiical cycles ... CEH Topics & Objectives 2009 - 2012 > Biogeochemistry > BGC Topic 1 - Monitoring and Interpretation of Biogeochemical and Climate Changes > BGC - 1.1 - Monitor concentrations, fluxes, physico-chemical forms of current and emerging pollutants ...
UKCEH and CEH Sections/Science Areas:	Billett (to November 2013)
ISSN:	1351-0754
Date made live:	09 Feb 2011 12:15 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/13348

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