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Des taxons ayant une relation proie–prédateur peuvent être discriminés à partir des rapports (Sr/Ca) et (Ba/Ca) des bioapatites, qui constituent la phase minérale de leur squelette. Le Sr et le Ba sont préférentiellement éliminés (bioségrégation) au cours des processus métaboliques par rapport au Ca. Ce phénomène se traduit par une diminution des rapports Sr/Ca et Ba/Ca d'un niveau trophique au suivant...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.