zinc (1) puits (1) élément trace (1) étable (1) protéine (1) conserve (1) azote (1) isotope (1) information (1) fossile (1) aliment (1) faune (1) enrichissement (1) écologie trophique (1) méthode (1) grotte (1) carbone (1) Laos (1) Preservation (1) Food (1) Animal feeding (1) Zinc (1) Work (1) Values (1) Value (1) Tropical conditions (1) Teeth, Fossil (1) Teeth (1) Stable isotopes (1) Proxy (1)