Fire as a driver of fungal diversity — A synthesis of current knowledge
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Issue Date
2022-03-28Author
Fox, Sam
Sikes, Benjamin A.
Brown, Shawn P.
Cripps, Cathy L.
Glassman, Sydney I.
Hughes, Karen
Semenova-Nelsen, Tatiana
Jumpponen, Ari
Publisher
Taylor and Francis
Type
Article
Article Version
Scholarly/refereed, author accepted manuscript
Rights
© 2022 The Mycological Society of America.
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Show full item recordAbstract
Fires occur in most terrestrial ecosystems where they drive changes in the traits, composition, and diversity of fungal communities. Fires range from rare, stand-replacing wildfires to frequent, prescribed fires used to mimic natural fire regimes. Fire regime factors, including burn severity, fire intensity, and timing, vary widely and likely determine how fungi respond to fires. Despite the importance of fungi to post-fire plant communities and ecosystem functioning, attempts to identify common fungal responses and their major drivers are lacking. This synthesis addresses this knowledge gap and ranges from fire adaptations of specific fungi to succession and assembly fungal communities as they respond to spatially heterogenous burning within the landscape. Fires impact fungi directly and indirectly through their effects on fungal survival, substrate and habitat modifications, changes in environmental conditions, and/or physiological responses of the hosts with which fungi interact. Some specific pyrophilous, or “fire-loving,” fungi often appear after fire. Our synthesis explores whether such taxa can be considered cosmopolitan, and whether they are truly fire-adapted or simply opportunists adapted to rapidly occupy substrates and habitats made available by fires. We also discuss the possible inoculum sources of post-fire fungi and explore existing conceptual models and ecological frameworks that may be useful in generalizing fungal fire responses. We conclude with identifying research gaps and areas that may best transform the current knowledge and understanding of fungal responses to fire.
Description
This is an Accepted Manuscript of an article published by Taylor & Francis in Mycologia on 28 Mar 2022, available at: http://www.tandfonline.com/10.1080/00275514.2021.2024422.
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Citation
Fox S, Sikes BA, Brown SP, Cripps CL, Glassman SI, Hughes K, Semenova-Nelsen T, Jumpponen A. Fire as a driver of fungal diversity—A synthesis of current knowledge. Mycologia. 2022 Mar 4;114(2):215-41.
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