Nicholas J. P. Owens

TL;DR: In this paper, it was shown that the effective transport of active N and P from land to the shelf through very large rivers is reduced to 292 · 109 moles y-1 of N and 13 · 109moles y -1 of P.

TL;DR: This chapter covers aspects of the natural variations in 15N in a wide range of subject areas, for example, dissolved gases in the deep oceans to the dietary relations of laboratory grown animals.

TL;DR: Microzooplankton grazing activity in the Celtic Sea and Carmarthen Bay in summer 1983 and autumn 1984 was investigated by applying a dilution technique to high-performance liquid chromatographic (HPLC) analysis of photosynthetic pigments in phytoplankton present within natural microplankton communities, indicating a trophic preference by microzooplanks for dinoflagellates, cryptophytes, chlorophytes and prasinophytes.

TL;DR: In this article, an interface between an automatic nitrogen analyser and an isotope mass spectrometer is described, which enables total nitrogen analyses and nitrogen isotope ratio measurements to be made semi-automatically, at the rate of 12 h 1.

TL;DR: Denitrification rates and nitrous oxide (N 2 O) concentrations are presented for the Humber estuary and adjacent coastal zones covering the period from January 1995 to December 1996.