Experimental warming increases fungal alpha diversity in an oligotrophic maritime Antarctic soil.
Antarctica
climate warming
open top chambers (OTCs)
organic carbon
organic nitrogen
soil fungal community diversity
yeasts
Journal
Frontiers in microbiology
ISSN: 1664-302X
Titre abrégé: Front Microbiol
Pays: Switzerland
ID NLM: 101548977
Informations de publication
Date de publication:
2022
2022
Historique:
received:
21
09
2022
accepted:
20
10
2022
entrez:
28
11
2022
pubmed:
29
11
2022
medline:
29
11
2022
Statut:
epublish
Résumé
The climate of maritime Antarctica has altered since the 1950s. However, the effects of increased temperature, precipitation and organic carbon and nitrogen availability on the fungal communities inhabiting the barren and oligotrophic fellfield soils that are widespread across the region are poorly understood. Here, we test how warming with open top chambers (OTCs), irrigation and the organic substrates glucose, glycine and tryptone soy broth (TSB) influence a fungal community inhabiting an oligotrophic maritime Antarctic fellfield soil. In contrast with studies in vegetated soils at lower latitudes, OTCs increased fungal community alpha diversity (Simpson's index and evenness) by 102-142% in unamended soil after 5 years. Conversely, OTCs had few effects on diversity in substrate-amended soils, with their only main effects, in glycine-amended soils, being attributable to an abundance of
Identifiants
pubmed: 36439821
doi: 10.3389/fmicb.2022.1050372
pmc: PMC9684652
doi:
Types de publication
Journal Article
Langues
eng
Pagination
1050372Informations de copyright
Copyright © 2022 Newsham, Misiak, Goodall-Copestake, Dahl, Boddy, Hopkins and Davey.
Déclaration de conflit d'intérêts
The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
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