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. 2017 Jul 24;12(7):e0181759. doi: 10.1371/journal.pone.0181759

Fig 3. The intensity of human activities in the Atacama Desert (red curve, from [70]) compared to a summed probability distribution of all AMS radiocarbon dates on Prosopis Algarobia remains from archaeological and paleoecological contexts (dark curve).

Fig 3

The top bar indicates the major cultural periods and paleoclimate variations. Blue bars (orange) represent past wet (dry) climate anomalies. MCA: Medieval Climate Anomaly. LIA: Little ice Age.