Dynamics of methane fluxes from two peat bogs in the Ore Mountains, Czech Republic

L. Bohdálková, J. Čuřík, A.A. Kuběna and F. Bůzek
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L. Bohdálková: Czech Geological Survey, Prague, Czech Republic
J. Čuřík: Czech Geological Survey, Prague, Czech Republic
A.A. Kuběna: Faculty of Science, Charles University in Prague, Prague, Czech Republic
F. Bůzek: Czech Geological Survey, Prague, Czech Republic

Plant, Soil and Environment, 2013, vol. 59, issue 1, 14-21

Abstract: Methane fluxes were studied at two high-elevation oligotrophic peat bogs in the Ore Mts., Czech Republic. The Bukova dolina Bog was drained 15 years ago and 2 years ago was partly restored, whereas the Brumiste Bog is an intact peatland. Draining led to a change of vegetation structure, dominated by Molinia caerulea, Carex sp., and forestation by Norway spruce. Methane fluxes were measured monthly from April to November 2011 using a closed chamber. Temperature and presence of Carex were significant controls on methane fluxes. Peat depth, water table and the presence of other plant species had no significant effect on CH4 emissions. Methane emissions ranged from 9 to 2700 mg/m2/day at the degraded and from 3 to 260 mg/m2/day at the intact bog. In general, the degraded peat bog emitted three times more methane compared to the intact peat bog, likely due to vegetation changes after long-term artificial draining.

Keywords: restoration; peatland; climate change; Sphagnum; Carex (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:59:y:2013:i:1:id:330-2012-pse

DOI: 10.17221/330/2012-PSE

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