Spatial Heterogeneity in Methane Biogeochemistry and Prokaryotic Community Structure in Sub‐Arctic Waterbodies in Northern Canada

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Analysis reveals distinct microbial communities and methane emissions in sub-Arctic waterbodies, indicating impacts of permafrost thaw.

Distinct prokaryotic communities were identified in sub-Arctic waterbodies influenced by permafrost thaw.
Methane emissions reached up to 1.7 × 10 −1 mg m −2 s −1 at the sites with the highest fluxes.
Characterization utilized 16S rRNA gene sequencing and qPCR targeting methanogenesis and methanotrophy genes.
Findings highlight the importance of thaw-affected systems as hotspots for methane emissions and diverse microbial communities.

Szylit et al. (2025) studied this question.

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