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Linking diagenetic alteration of amino acids and bulk organic matter reactivity
Dauwe, B.; Middelburg, J.J.; Herman, P.M.J.; Heip, C.H.R. (1999). Linking diagenetic alteration of amino acids and bulk organic matter reactivity. Limnol. Oceanogr. 44(7): 1809-1814
In: Limnology and Oceanography. American Society of Limnology and Oceanography: Waco, Tex., etc.. ISSN 0024-3590, more
Peer reviewed article  

Available in  Authors | Dataset 
    VLIZ: Open Repository 220998 [ OMA ]

Keywords
    Amino acids; Biodegradation; Diagenesis; Geochemical cycle; Sediment chemistry; Marine

Authors  Top | Dataset 
  • Dauwe, B., more
  • Middelburg, J.J., more
  • Herman, P.M.J., more
  • Heip, C.H.R., more

Abstract
    Examination of amino acids in particulate samples from a variety of marine environments (fresh phytoplankton to deep-sea sediments) revealed systematic compositional changes upon progressive degradation. These consistent trends have been used to derive a quantitative degradation index (DI) that is directly related to the reactivity of the organic material, as indicated by its lability to enzymatic decay and its first-order degradation rate constant. This direct link between molecular composition and degradation rate allows us to quantify the quality of organic matter based solely on its chemical composition.

Dataset
  • Linking diagenetic alteration of amino acids and bulk organic matter reactivity, more

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