BACKGROUND Biological dinitrogen (N2) fixation, the reduction of atmospheric N2 to
ammonia, is important for maintaining the fertility of the oceans by providing biologically …

The micronutrient iron is now recognized to be important in regulating the magnitude and
dynamics of ocean primary productivity, making it an integral component of the ocean's …

Biodiversity of phytoplankton is important for ecosystem stability and marine
biogeochemistry. However, the large-scale patterns of diversity are not well understood and …

Numerical models of ocean biogeochemistry are relied upon to make projections about the
impact of climate change on marine resources and test hypotheses regarding the drivers of …

Mixotrophic plankton, which combine the uptake of inorganic resources and the ingestion of
living prey, are ubiquitous in marine ecosystems, but their integrated biogeochemical …

We report a new synthesis of best estimates of the inputs of fixed nitrogen to the world ocean
via atmospheric deposition and compare this to fluvial inputs and dinitrogen fixation. We …

Rivers are an important source of mercury (Hg) to marine ecosystems. Based on an analysis
of compiled observations, we estimate global present-day Hg discharges from rivers to …

Abstract Changes in marine plankton communities driven by environmental variability
impact the marine food web and global biogeochemical cycles of carbon and other …

We present a model of diverse phytoplankton and zooplankton populations embedded in a
global ocean circulation model. Physiological and ecological traits of the organisms are …

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 …