Ammonium oxidation consumes oxygen leading to the establishment of hypoxia and emission of N2O,a byproduct of nitrification and a strong greenhouse gas.The rapi
Molybdenum (VI) is generally assumed to be the dominant oxidation state of Mo in oxic natural waters,while Mo (V) is thermodynamically stable in reducing waters
Biological nitrogen fixation is the major source of fixed nitrogen in the oceanic N budget.Current estimates of nitrogen fixation flux are around 100-200 Tg N a
Nitrogen is the limiting nutrient in most marine ecosystem.Besides upwelling,atmospheric deposition plays an important role in supplying external nitrogen to fu