Fig. 1

Spatial distribution of archaeological sites with isotope data included in SAAID. Map generated in QGIS v.3.2.8 (https://www.qgis.org) with a raster basemap from Natural Earth (https://www.naturalearthdata.com/).

Spatial distribution of archaeological sites with isotope data included in SAAID. Map generated in QGIS v.3.2.8 (https://www.qgis.org) with a raster basemap from Natural Earth (https://www.naturalearthdata.com/).