Fig. 1: Location of Angrenjin Co on the southern Tibetan Plateau (red star) and other sites referenced in the text, and the distribution of modern land use.
From: 3,600 years of human adaptation to drought intensification on the southern Tibetan Plateau

A Referenced archeological sites: 1. Kyamo (KM, >3600 m a.s.l.)6; 2. Khog Gzung (KG, 3920 m a.s.l.)13; 3. Qugong (QG, 3700 m a.s.l.)9,32; 4. Changguogou (CGG, 3570 m a.s.l.)11; 5. Chaxiutang (CXT, 4589 m a.s.l.)37; 6. Bangga (BG, 3715 m a.s.l.)8; 7. Bangtangbu (BTB, 3620 m a.s.l.)34. Sites where barley remains have been found are shown by green circles. Referenced paleoclimatic sites: 8. Nam Co46; 9. Paru Co45 and Angrenjin Co42,43,44,47. The brown shading in the upper right indicates the ___location of the Tibetan Plateau. The extent of the study area is indicated by the black dashed rectangle, and the solid arrow indicates the modern Indian summer monsoon (ISM) direction. B Distribution of modern cultivated land and pastoral land on the STP90.