Variations in the natural abundance of 15N in estuarine suspended particulate matter: A specific indicator of biological processing

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Abstract

In this study, the 14N:15N ratio of suspended particulate material collected from the Tamar river estuary, south-west England, is described. Three populations of particles, distinguishable by their 15N content, were observed. This investigation has shown that populations of estuarine particles are generated by biological transformations in situ and that the 15N content of estuarine particles does not merely reflect hydrodynamic mixing of the freshwater and seawater source particulate material.

Original languageEnglish
Pages (from-to)505-510
Number of pages6
JournalEstuarine, Coastal and Shelf Science
Volume20
Issue number4
DOIs
Publication statusPublished - 1 Apr 1985

Keywords

  • estuaries
  • isotopic composition
  • nitrogen
  • suspended matter

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