Nitrite dynamics in the open ocean — clues from seasonal and diurnal variations

  title={Nitrite dynamics in the open ocean — clues from seasonal and diurnal variations},
  author={Efrat Meeder and Katherine R. M. Mackey and Adina Paytan and Yeala Shaked and David Iluz and Noga Stambler and Tanya Rivlin and Anton F. Post and Barbara Lazar},
Two alternative mechanisms are suggested for nitrite accumulation in the oxygenated oligotrophic water column: (1) excretion by phytoplankton or (2) microbial oxidation of ammonium (nitrification). This study assessed the role of these 2 mechanisms, based on seasonal and high-resolution diurnal depth profiles of the dissolved inorganic nitrogen (DIN) species (nitrite, ammonium, nitrate) and chlorophyll a in the Gulf of Aqaba, Red Sea. Both mechanisms operated in the water column, but in… CONTINUE READING


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