The ecology of modern and fossil vertebrates revisited by lithium isotopes
| Type | : | ACL |
|---|---|---|
| Nature | : | Production scientifique |
| Au bénéfice du Laboratoire | : | Oui |
| Statut de publication | : | Publié |
| Année de publication | : | 2022 |
| Auteurs (11) | : | THIBON Fanny GOEDERT Jean SÉON Nicolas WEPPE Lucas MARTIN Jeremy,e AMIOT Romain ADNET Sylvain LAMBERT Olivier BUSTAMANTE Paco LECUYER C VIGIER Nathalie |
| Revue scientifique | : | Earth and Planetary Science Letters |
| Volume | : | 599 |
| Fascicule | : | |
| Pages | : | |
| DOI | : | 10.1016/j.epsl.2022.117840 |
| URL | : | https://www.sciencedirect.com/science/article/pii/S0012821X22004769 |
| Abstract | : | The vertebrate fossil record documents a plethora of transitions between aquatic and terrestrial environments but their causes are still debated. Quantifying the salinity of living environments is therefore crucial for precising the sequence of ecological transitions. Here, we measured lithium stable isotope composition of mineralized tissues (δ7Limt) of extant and extinct vertebrates from various aquatic environments: seawater, freshwater/terrestrial, and “transitional environments” (i.e. brackish waters, or seasonal access to freshwater and seawater). We report statistically higher δ7Limt values for seawater vertebrates than freshwater ones, taxonomic groups considered separately. Moreover, vertebrates living in transitional environments have intermediate δ7Limt values. Therefore, we show that δ7Limt values of both extant and extinct vertebrates can discriminate their aquatic habitat. |
| Mots-clés | : | aquatic environments; lithium isotopes; mineralized tissues; paleoecology |
| Commentaire | : | - |
| Tags | : | - |
| Fichier attaché | : | - |
| Citation | : |
Thibon F, Goedert J, Séon N, Weppe L, Martin JE, Amiot R, Adnet S, Lambert O, Bustamante P, Lecuyer C, Vigier N (2022) The ecology of modern and fossil vertebrates revisited by lithium isotopes. Earth Planet Sc Lett 599 | doi: 10.1016/j.epsl.2022.117840
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