Communications Biology (Apr 2023)

Tooth enamel nitrogen isotope composition records trophic position: a tool for reconstructing food webs

  • Jennifer N. Leichliter,
  • Tina Lüdecke,
  • Alan D. Foreman,
  • Nicolas Bourgon,
  • Nicolas N. Duprey,
  • Hubert Vonhof,
  • Viengkeo Souksavatdy,
  • Anne-Marie Bacon,
  • Daniel M. Sigman,
  • Thomas Tütken,
  • Alfredo Martínez-García

DOI
https://doi.org/10.1038/s42003-023-04744-y
Journal volume & issue
Vol. 6, no. 1
pp. 1 – 13

Abstract

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Enamel-bound nitrogen isotopes in modern and fossil mammal teeth preserve dietary and trophic level information. This novel geochemical archive can be used to reconstruct trophic niche in ancient ecosystems.