Fig. 7: 87Sr/86Sr isoscape of the Kasitu Valley.
From: Biogeochemical evidence for targeted landscape use in ancient foragers of Malawi

Left: predicted 87Sr/86Sr in the study area based on an Empirical Bayesian Kriging (EBK) model. Right: standard error of the predicted 87Sr/86Sr. Basemap from ESRI World Imagery.