Physical mixing in coastal waters controls and decouples nitrification via biomass dilution.
Ammonia
/ metabolism
Ammonium Compounds
/ metabolism
Archaea
/ genetics
Biomass
Canada
Denitrification
/ genetics
Ecosystem
Humans
Kinetics
Nitrates
Nitrification
/ genetics
Nitrites
/ metabolism
Nitrogen
/ metabolism
Nitrogen Cycle
/ genetics
Nitrosomonadaceae
/ genetics
Oxidation-Reduction
Phylogeny
Phytoplankton
/ genetics
RNA, Ribosomal, 16S
/ genetics
Seasons
Water
/ metabolism
Thaumarchaeota
aquatic nitrogen biogeochemistry
nitrifier diversity
nitrite accumulation
time series
Journal
Proceedings of the National Academy of Sciences of the United States of America
ISSN: 1091-6490
Titre abrégé: Proc Natl Acad Sci U S A
Pays: United States
ID NLM: 7505876
Informations de publication
Date de publication:
04 05 2021
04 05 2021
Historique:
entrez:
27
4
2021
pubmed:
28
4
2021
medline:
15
12
2021
Statut:
ppublish
Résumé
Nitrification is a central process of the aquatic nitrogen cycle that controls the supply of nitrate used in other key processes, such as phytoplankton growth and denitrification. Through time series observation and modeling of a seasonally stratified, eutrophic coastal basin, we demonstrate that physical dilution of nitrifying microorganisms by water column mixing can delay and decouple nitrification. The findings are based on a 4-y, weekly time series in the subsurface water of Bedford Basin, Nova Scotia, Canada, that included measurement of functional (
Identifiants
pubmed: 33903227
pii: 2004877118
doi: 10.1073/pnas.2004877118
pmc: PMC8106330
pii:
doi:
Substances chimiques
Ammonium Compounds
0
Nitrates
0
Nitrites
0
RNA, Ribosomal, 16S
0
Water
059QF0KO0R
Ammonia
7664-41-7
Nitrogen
N762921K75
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Informations de copyright
Copyright © 2021 the Author(s). Published by PNAS.
Déclaration de conflit d'intérêts
The authors declare no competing interest.
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