Nitrogen-fixing sulfate reducing bacteria in shallow coastal sediments under simulated resuspension

Nitrogen-fixing sulfate reducing bacteria in shallow coastal sediments under simulated resuspension

Nitrogen (N2) fixation by heterotrophic non-cyanobacterial diazotrophs is common in marine deep-sea sediments. However, in shallow coastal areas, where resuspension of sediments is extensive, the magnitude of sediment-associated N2 fixation during resuspension is unknown. We examined nitrogen fixati...

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Veröffentlicht in:Estuarine, coastal and shelf science coastal and shelf science, 2023-01, Vol.280, p.108165, Article 108165
Hauptverfasser: Liesirova, Tina, Aarenstrup-Launbjerg, Tobias, Hallstrøm, Søren, Bittner, Meriel J., Riemann, Lasse, Voss, Maren
Format: Artikel
Sprache:eng
Schlagworte:
Baltic sea
Coastline
Heterotrophic diazotrophs
Nitrogen fixation
Resuspended sediments
Sulfate reducing bacteria
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Zusammenfassung:Nitrogen (N2) fixation by heterotrophic non-cyanobacterial diazotrophs is common in marine deep-sea sediments. However, in shallow coastal areas, where resuspension of sediments is extensive, the magnitude of sediment-associated N2 fixation during resuspension is unknown. We examined nitrogen fixation in dark slurry incubations with sediments (0–5 cm and 0–10 cm depths) under simulated resuspension from five shallow stations (water depth
ISSN:0272-7714
1096-0015
DOI:10.1016/j.ecss.2022.108165