temps (durée) (1) strontium (1) lac (1) isotope (1) fossile (1) poisson (1) faune (1) évolution (1) âge (1) climat (1) Variation (1) Control (1) Uplands (1) Fossils (1) Year (1) Time (1) Summer (1) Strontium (1) Records (1) Proxy (1) Precession (1) Lake sediments (1) Isotopes (1) Fishes (1) Evolution (1) Orient (1) Droughts (1) Cycles (1) Comprehension (1) Climatology (1)