Change Date: 15 Nov 2016, 12:09 p.m.
nitrogen_growth_limitation_of_diazotrophs 1 [UUUU] In ocean modelling, diazotrophs are phytoplankton of the phylum cyanobacteria distinct from other phytoplankton groups in their ability to fix nitrogen gas in addition to nitrate and ammonium. Phytoplankton are autotrophic prokaryotic or eukaryotic algae that live near the water surface where there is sufficient light to support photosynthesis.