Environmental selection of planktonic methanogens in permafrost thaw ponds
The warming and thermal erosion of ice-containing permafrost results in thaw ponds that are
strong emitters of methane to the atmosphere. Here we examined methanogens and other
Archaea, in two types of thaw ponds that are formed by the collapse of either permafrost peat
mounds (palsas) or mineral soil mounds (lithalsas) in subarctic Quebec, Canada. Using high-
throughput sequencing of a hypervariable region of 16S rRNA, we determined the
taxonomic structure and diversity of archaeal communities in near-bottom water samples …
strong emitters of methane to the atmosphere. Here we examined methanogens and other
Archaea, in two types of thaw ponds that are formed by the collapse of either permafrost peat
mounds (palsas) or mineral soil mounds (lithalsas) in subarctic Quebec, Canada. Using high-
throughput sequencing of a hypervariable region of 16S rRNA, we determined the
taxonomic structure and diversity of archaeal communities in near-bottom water samples …
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