NDLI: Long-Term Recovery of Microbial Communities in the Boreal Bryosphere Following Fire Disturbance

Content Provider	Springer Nature Link
Author	Cutler, Nick A. Arróniz Crespo, María Street, Lorna E. Jones, David L. Chaput, Dominique L. DeLuca, Thomas H.
Copyright Year	2016
Abstract	Our study used a ∼360-year fire chronosequence in northern Sweden to investigate post-fire microbial community dynamics in the boreal bryosphere (the living and dead parts of the feather moss layer on the forest floor, along with the associated biota). We anticipated systematic changes in microbial community structure and growth strategy with increasing time since fire (TSF) and used amplicon pyrosequencing to establish microbial community structure. We also recorded edaphic factors (relating to pH, C and N accumulation) and the physical characteristics of the feather moss layer. The molecular analyses revealed an unexpectedly diverse microbial community. The structure of the community could be largely explained by just two factors, TSF and pH, although the importance of TSF diminished as the forest recovered from disturbance. The microbial communities on the youngest site (TSF = 14 years) were clearly different from older locations (>100 years), suggesting relatively rapid post-fire recovery. A shift towards Proteobacterial taxa on older sites, coupled with a decline in the relative abundance of Acidobacteria, suggested an increase in resource availability with TSF. Saprotrophs dominated the fungal community. Mycorrhizal fungi appeared to decline in abundance with TSF, possibly due to changing N status. Our study provided evidence for the decadal-scale legacy of burning, with implications for boreal forests that are expected to experience more frequent burns over the course of the next century.
Starting Page	75
Ending Page	90
Page Count	16
File Format	PDF
ISSN	00953628
Journal	Microbial Ecology
Volume Number	73
Issue Number	1
e-ISSN	1432184X
Language	English
Publisher	Springer US
Publisher Date	2016-08-18
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Boreal forest Climate change Microbial community structure Feather mosses Nutrient cycling Post-fire succession Microbiology Ecology Microbial Ecology Geoecology/Natural Processes Nature Conservation Water Quality/Water Pollution
Content Type	Text
Resource Type	Article
Subject	Soil Science Ecology Ecology, Evolution, Behavior and Systematics

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Correction to: Long-Term Recovery of Microbial Communities in the Boreal Bryosphere Following Fire Disturbance

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Correction to: Long-Term Recovery of Microbial Communities in the Boreal Bryosphere Following Fire Disturbance

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