Amino acid δ15N underestimation of cetacean trophic positions highlights limited understanding of isotopic fractionation in higher marine consumers

Amino acid δ15N underestimation of cetacean trophic positions highlights limited understanding of isotopic fractionation in higher marine consumers

Abstract Compound‐specific stable isotope analysis (CSIA) of amino acids (AAs) has been rapidly incorporated in ecological studies to resolve consumer trophic position (TP). Differential 15N fractionation of “trophic” AAs, which undergo trophic 15N enrichment, and “source” AAs, which undergo minimal...

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Bibliographic Details
Main Authors: Cory J. D. Matthews, Rocio I. Ruiz‐Cooley, Corinne Pomerleau, Steven H. Ferguson
Format: Article
Language:English
Published: Wiley 2020-04-01
Series:Ecology and Evolution
Subjects:
amino acids
compound‐specific stable isotope analysis
CSIA‐AA
glutamic acid
nitrogen
phenylalanine
Online Access:https://doi.org/10.1002/ece3.6142

Internet

https://doi.org/10.1002/ece3.6142

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