Nitrogen transport by vertically migrating diatom mats in the North Pacific Ocean

Nitrogen assimilation by phytoplankton a

Nitrogen assimilation by phytoplankton and other microorganisms in the surface waters of the central North Pacific Ocean

✍ R. W. Eppley; J. H. Sharp; E. H. Renger; M. J. Perry; W. G. Harrison 📂 Article 📅 1977 🏛 Springer-Verlag 🌐 English ⚖ 835 KB

Assimilation rates of 15N-labelled ammonium, urea, and nitrate by plankton in the upper euphotic zone were measured in 2 summer, 2 winter, and I spring cruise in the central North Pacific Ocean. Average rates of ammonium plus urea assimilation could not be determined precisely, but were estimated to