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Fluxes of methane and carbon dioxide on peat-mining areas in Sweden
SLU, Dept Microbiol, SE-75007 Uppsala, Sweden SLU, Dept Forest Ecol, SE-90183 Umea, Sweden Off Environm & Construct, SE-29324 Olofstrom, Sweden Ralph M Parsons Lab, Cambridge, MA 02139 USA Linkoping Univ, Dept Water & Environm Studies, SE-58183 Linkoping, Sweden.
SLU, Dept Microbiol, SE-75007 Uppsala, Sweden SLU, Dept Forest Ecol, SE-90183 Umea, Sweden Off Environm & Construct, SE-29324 Olofstrom, Sweden Ralph M Parsons Lab, Cambridge, MA 02139 USA Linkoping Univ, Dept Water & Environm Studies, SE-58183 Linkoping, Sweden.
SLU, Dept Microbiol, SE-75007 Uppsala, Sweden SLU, Dept Forest Ecol, SE-90183 Umea, Sweden Off Environm & Construct, SE-29324 Olofstrom, Sweden Ralph M Parsons Lab, Cambridge, MA 02139 USA Linkoping Univ, Dept Water & Environm Studies, SE-58183 Linkoping, Sweden.
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2000 (English)In: Ambio, ISSN 0044-7447, E-ISSN 1654-7209, Vol. 29, no 8, 499-503 p.Article in journal (Refereed) Published
Abstract [en]

Drainage and peat harvesting may induce considerable changes in the fluxes to the atmosphere of the greenhouse gases CH4 and CO2 in peatlands. In this study, fluxes of CH4 and CO2 were measured with the closed chamber method in 6 Swedish peatlands that are being mined. Fluxes of CH4 were much higher from ditches than from mining "strips", i.e. emissions from ditches dominated in most peatlands. The total CH4 emission during the growing season (0.41 to 4.5 g CH4 m(-2) yr(-1)) was similar to emissions from virgin peatlands. Emissions from ditches can probably be kept low by keeping the ditches clear from vegetation. Like CH4, CO2 was released to the atmosphere from both ditches and strips in most peatlands. The total emission during the growing season (0.23 to 1.0 kg CO2 m(-2) yr(-1)) was strongly dominated by the strips. Compared to the total peat yield during mining these CO2 emission rates imply that on average ca 6% of the peat carbon is lost by microbial decomposition in the mire.

Place, publisher, year, edition, pages
2000. Vol. 29, no 8, 499-503 p.
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Social Sciences
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URN: urn:nbn:se:liu:diva-49397OAI: oai:DiVA.org:liu-49397DiVA: diva2:270293
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2017-12-12

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Svensson, Bo

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