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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; e-ISSN 1939-5590, meer
Peer reviewed article  
Beschikbaar in  Auteurs | Dataset 
Trefwoorden
    Acids > Organic compounds > Organic acids > Amino acids
    Chemical reactions > Degradation > Biodegradation
    Chemistry > Geochemistry > Sediment chemistry
    Cycles > Chemical cycles > Geochemical cycle
    Sedimentation > Diagenesis
    Marien/Kust
Auteurs  Top | Dataset 
  • Dauwe, B., meer
  • Middelburg, J.J., meer
  • Herman, P.M.J., meer
  • Heip, C.H.R., meer
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
  • Dauwe B., Herman P. 1999: Linking diagenetic alteration of amino acids and bulk organic matter reactivity. Netherlands Institute of Ecology; Centre for Estuarine and Marine Ecology, Netherlands. Metadata available at http://mda.nioo.knaw.nl/imis.php?module=dataset&dasid=1822, meer
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