Abstract Purpose of Review Atmospheric aerosol deposition is an important source of
nutrients and pollution to many continental and marine ecosystems. Humans have heavily …

The biogeochemical cycles of trace elements and their isotopes (TEIs) constitute an active
area of oceanographic research due to their role as essential nutrients for marine organisms …

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 …

Nitrogen fixation has a critical role in marine primary production, yet our understanding of
marine nitrogen-fixers (diazotrophs) is hindered by limited observations. Here, we report a …

The filamentous diazotrophic cyanobacterium Trichodesmium is responsible for a significant
fraction of marine di-nitrogen (N2) fixation. Growth and distribution of Trichodesmium and …

We document for the first time, the spatial distribution at basin scale (North tropical Atlantic
Ocean) of As, P and trace metal (TM) concentrations in the three morphotypes belonging to …

UCYN-A is a globally important nitrogen-fixing symbiotic microbe often found in colder
regions and coastal areas where nitrogen fixation has been overlooked. We present a 3 …

Nitrogen availability limits marine productivity across large ocean regions. Diazotrophs can
supply new nitrogen to the marine environment via nitrogen (N2) fixation, relieving nitrogen …

Cyanobacterial nitrogen-fixers (diazotrophs) play a key role in biogeochemical cycling of
carbon and nitrogen in the ocean. In recent years, the unusual symbiotic diazotrophic …

Diazotrophs are often limited by iron (Fe) availability in the oligotrophic ocean. The Western
Tropical South Pacific (WTSP) ocean has been suggested as an intense N2 fixation area …