[HTML][HTML] Processes and microorganisms involved in the marine nitrogen cycle: knowledge and gaps

S Pajares, R Ramos - Frontiers in Marine Science, 2019 - frontiersin.org
Nitrogen (N) is a key element for life in the oceans. It controls primary productivity in many
parts of the global ocean, consequently playing a crucial role in the uptake of atmospheric …

[HTML][HTML] Reviews and syntheses: Physical and biogeochemical processes associated with upwelling in the Indian Ocean

PNM Vinayachandran, Y Masumoto, MJ Roberts… - …, 2021 - bg.copernicus.org
Abstract The Indian Ocean presents two distinct climate regimes. The north Indian Ocean is
dominated by the monsoons, whereas the seasonal reversal is less pronounced in the …

[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 …

[HTML][HTML] Progress in understanding of Indian Ocean circulation, variability, air–sea exchange, and impacts on biogeochemistry

HE Phillips, A Tandon, R Furue, R Hood… - Ocean …, 2021 - os.copernicus.org
Over the past decade, our understanding of the Indian Ocean has advanced through
concerted efforts toward measuring the ocean circulation and air–sea exchanges, detecting …

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 …

Nitrogen fixation and diazotroph diversity in groundwater systems

X Liu, P Li, H Wang, LL Han, K Yang, Y Wang… - The ISME …, 2023 - academic.oup.com
Biological nitrogen fixation (BNF), the conversion of N2 into bioavailable nitrogen (N), is the
main process for replenishing N loss in the biosphere. However, BNF in groundwater …

Nutriclines and nutrient stoichiometry in the eastern Arabian Sea: Intra-annual variations and controlling mechanisms

CK Sherin, GVM Gupta, V Sudheesh, CV Ramu… - Progress in …, 2023 - Elsevier
Repeat measurements (nine times) of nutrients at seven to ten coast-offshore transects
along the eastern Arabian Sea (EAS) in 2018–19 revealed nitrogen as the major limiting …

Diazotrophy in the Indian Ocean: Current understanding and future perspectives

S Chowdhury, E Raes, C Hörstmann… - Limnology and …, 2023 - Wiley Online Library
Dinitrogen (N2) fixation provides the major source of reactive nitrogen in the open ocean,
sustaining biological productivity. The Indian Ocean (IO) covers 22% of the ocean surface …

Nutrient stoichiometry (N: P) controls nitrogen fixation and distribution of diazotrophs in a tropical eutrophic estuary

T Jabir, PV Vipindas, Y Jesmi, S Valliyodan… - Marine Pollution …, 2020 - Elsevier
Nitrogen fixation and its ecological regulation are poorly understood in the tropical estuaries,
which are highly influenced by anthropogenic disturbances. In this study, we investigated …

Evidence of the significant contribution of heterotrophic diazotrophs to nitrogen fixation in the Eastern Indian Ocean during pre-southwest monsoon period

C Wu, J Sun, H Liu, W Xu, G Zhang, H Lu, Y Guo - Ecosystems, 2021 - Springer
Nitrogen fixation continually transforms atmospheric nitrogen (N 2) into biologically available
nitrogen in the oceans, which actively sustains marine new production, especially in …