Permafrost – Current and Future Challenges to Study Methanotrophy in Permafrost Affected Tundra and Wetlands
Metadata only
Datum
2010Typ
- Book Chapter
ETH Bibliographie
yes
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Abstract
Arctic permafrost affected wetlands and tundra are known to be sources of the greenhouse gas methane (Christensen et al., 1995, 2000; Kutzbach et al., 2004; Sachs et al., 2008; Wagner et al., 2003; Wille et al., 2008). As a consequence of the rising surface temperatures and the degradation of permafrost, methane emissions from these Arctic habitats are predicted to increase in the future. Evolution of methane fluxes across the subsurface/atmosphere boundary will thereby strongly depend on the activity of obligately aerobic methane oxidizing Proteobacteria which are known to be abundant and to significantly reduce methane emissions in permafrost affected soils despite seasonal freezing and thawing and extreme temperature gradients. Based on their function as the major (known) sink for methane, research is needed to quantify in situ activities of aerobic methane oxidizing Proteobacteria and understand their potential to adapt to the currently changing environment. Also, possible unknown sinks for methane in these regions like marine methane rich habitats need to be explored. Mehr anzeigen
Publikationsstatus
publishedHerausgeber(in)
Buchtitel
Handbook of Hydrocarbon and Lipid MicrobiologySeiten / Artikelnummer
Verlag
SpringerOrganisationseinheit
03335 - Zeyer, Josef (emeritus)
ETH Bibliographie
yes
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