The Impact of Sea Ice Cover on Microbial Communities in Antarctic Shelf Sediments.
Sva1033
benthic microbial communities
dissolved iron
iron reducers
pore-water profiles
redox zones
Journal
Microorganisms
ISSN: 2076-2607
Titre abrégé: Microorganisms
Pays: Switzerland
ID NLM: 101625893
Informations de publication
Date de publication:
14 Jun 2023
14 Jun 2023
Historique:
received:
17
03
2023
revised:
30
05
2023
accepted:
03
06
2023
medline:
28
6
2023
pubmed:
28
6
2023
entrez:
28
6
2023
Statut:
epublish
Résumé
The area around the Antarctic Peninsula (AP) is facing rapid climatic and environmental changes, with so far unknown impacts on the benthic microbial communities of the continental shelves. In this study, we investigated the impact of contrasting sea ice cover on microbial community compositions in surface sediments from five stations along the eastern shelf of the AP using 16S ribosomal RNA (rRNA) gene sequencing. Redox conditions in sediments with long ice-free periods are characterized by a prevailing ferruginous zone, whereas a comparatively broad upper oxic zone is present at the heavily ice-covered station. Low ice cover stations were highly dominated by microbial communities of
Identifiants
pubmed: 37375074
pii: microorganisms11061572
doi: 10.3390/microorganisms11061572
pmc: PMC10305693
pii:
doi:
Types de publication
Journal Article
Langues
eng
Subventions
Organisme : Alfred Wegener Institute for Polar and Marine Research
ID : AWI Grant-No. AWI_PS118_05
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