Non-cyanobacterial diazotrophs: global diversity, distribution, ecophysiology, and activity in marine waters

KA Turk-Kubo, MR Gradoville, S Cheung… - FEMS microbiology …, 2023 - academic.oup.com
Biological dinitrogen (N2) fixation supplies nitrogen to the oceans, supporting primary
productivity, and is carried out by some bacteria and archaea referred to as diazotrophs …

Marine non-cyanobacterial diazotrophs: moving beyond molecular detection

D Bombar, RW Paerl, L Riemann - Trends in microbiology, 2016 - cell.com
The nitrogen input through biological N 2 fixation is essential for life in vast areas of the
global ocean. The belief is that cyanobacteria are the only relevant N 2-fixing (diazotrophic) …

[HTML][HTML] Global oceanic diazotroph database version 2 and elevated estimate of global oceanic N fixation

Z Shao, Y Xu, H Wang, W Luo, L Wang… - Earth System …, 2023 - essd.copernicus.org
Marine diazotrophs convert dinitrogen (N 2) gas into bioavailable nitrogen (N), supporting
life in the global ocean. In 2012, the first version of the global oceanic diazotroph database …

Remineralization of particulate organic carbon in an ocean oxygen minimum zone

EL Cavan, M Trimmer, F Shelley, R Sanders - Nature Communications, 2017 - nature.com
Biological oceanic processes, principally the surface production, sinking and interior
remineralization of organic particles, keep atmospheric CO2 lower than if the ocean was …

Basin scale variability of active diazotrophs and nitrogen fixation in the North Pacific, from the tropics to the subarctic Bering Sea

T Shiozaki, D Bombar, L Riemann… - Global …, 2017 - Wiley Online Library
Nitrogen‐fixing microorganisms (diazotrophs) provide biologically available nitrogen to
plankton communities and thereby greatly influence the productivity in many marine regions …

Machine learning estimates of global marine nitrogen fixation

W Tang, Z Li, N Cassar - Journal of Geophysical Research …, 2019 - Wiley Online Library
Marine nitrogen (N2) fixation supplies “new” nitrogen to the global ocean, supporting uptake
and sequestration of carbon. Despite its central role, marine N2 fixation and its controlling …

[HTML][HTML] No nitrogen fixation in the Bay of Bengal?

CR Löscher, W Mohr, HW Bange, DE Canfield - Biogeosciences, 2020 - bg.copernicus.org
Abstract The Bay of Bengal (BoB) has long stood as a biogeochemical enigma, with
subsurface waters containing extremely low, but persistent, concentrations of oxygen in the …

Role of eddies on controlling total and size-fractionated primary production in the Bay of Bengal

V Sarma, M Chopra, DN Rao, MMR Priya… - Continental Shelf …, 2020 - Elsevier
In order to examine the role of eddies on total and size-fractionated primary production, two
cyclonic (CE), one anticyclonic (ACE) and no-eddy (NE) regions were sampled in the BoB …

Coastal N2 Fixation Rates Coincide Spatially With Nitrogen Loss in the Humboldt Upwelling System off Peru

LR Kittu, AJ Paul, M Fernández‐Méndez… - Global …, 2023 - Wiley Online Library
Marine nitrogen (N2) fixation supports significant primary productivity in the global ocean.
However, in one of the most productive regions of the world ocean, the northern Humboldt …

Global Marine N2 Fixation Estimates: From Observations to Models

A Landolfi, P Kähler, W Koeve, A Oschlies - Frontiers in microbiology, 2018 - frontiersin.org
Fixed nitrogen (N) limits productivity across much of the low-latitude ocean. The magnitude
of its inventory results from the balance of N input and N loss, the latter largely occurring in …