Applications of stable isotope ratio mass spectrometry in cattle dung carbon cycling studies.

Rapid Communications in Mass Spectrometry : RCM
Jennifer A J DungaitRichard P Evershed

Abstract

Understanding the fate of dung carbon (C) in soils is challenging due to the ubiquitous presence of the plant-derived organic matter (OM), the source material from which both dung-derived OM and soil organic matter (SOM) predominantly originate. A better understanding of the fate of specific components of this substantial source of OM, and thereby its contribution to C cycling in terrestrial ecosystems, can only be achieved through the use of labelled dung treatments. In this short review, we consider analytical approaches using bulk and compound-specific stable carbon isotope analysis that have been utilised to explore the fate of dung-derived C in soils. Bulk stable carbon isotope analyses are now used routinely to explore OM matter cycling in soils, and have shown that up to 20% of applied dung C may be incorporated into the surface soil horizons several weeks after application, with up to 8% remaining in the soil profile after one year. However, whole soil delta(13)C values represent the average of a wide range of organic components with varying delta(13)C values and mean residence times in soils. Several stable (13)C isotope ratio mass spectrometric methods have been developed to qualify and quantify different fractions of...Continue Reading

References

Sep 17, 1994·Lancet·C Paquet, M van Soest
Jul 17, 1999·Rapid Communications in Mass Spectrometry : RCM·G GleixnerJ Balesdent
Jul 17, 1999·Rapid Communications in Mass Spectrometry : RCM·M SchweizerG Cadisch
Jul 17, 1999·Rapid Communications in Mass Spectrometry : RCM·W AmelungC Friedrich
Oct 7, 2005·Rapid Communications in Mass Spectrometry : RCM·E Lopez-CapelD A C Manning

❮ Previous
Next ❯

Related Concepts