ArticleFrontiers in microbiology2025
Active layer and permafrost microbial community coalescence increases soil activity and diversity in mixed communities compared to permafrost alone.
Article in Frontiers in microbiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Active layer microbial inocula restore missing functions across thawed permafrost soils.Nature communications · 2026Article
- Antimicrobial resistance varies with warming in active layer soil and permafrost.Scientific reports · 2026Article
- Meeting report of the eight annual Tri-Service Microbiome Consortium Symposium.BMC proceedings · 2025Article
- Consistent microbial responses during the aerobic thaw of Alaskan permafrost soils.Frontiers in microbiology · 2025Article
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Authors and funding
3 authors.
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Abstract
Permafrost is experiencing rapid degradation due to climate warming. Microbial communities undergo significant compositional and functional shifts as permafrost thaws. Dispersal of microbial communities from the seasonally-thawed active layer soil into newly thawed permafrost may influence community assembly and increase carbon release from soils. We conducted a laboratory soil mixing study to understand how carbon utilization, heterotrophic respiration, and microbial community structure were affected when active layer and permafrost soils were mixed in varying proportions, as what is expected to occur when the terrain thaws. Active layer soil and permafrost collected from two sites in Alaska were mixed in five different ratios and incubated for 100 days at 10°C to reflect current maximum surface soil temperatures at these sites. Respiration rates were highest in the 100% active layer soils, averaging 19.8 μg C-CO
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