Fig. 1

Geographic distribution of the sampling locations. The different colored hexagonal stars represent the geographic distribution of sampling locations of five indigenous communities in Guizhou Plateau [26], including Han (HR) indigenous communities, Gelao (PR) indigenous communities, Tujia and Yi (DQ) indigenous communities, Buyi (BY) indigenous communities and Miao (MM) indigenous communities. The geographic data information used in the map came from field investigations and geographic information surveyed by the Natural Resources Department of Guizhou Province (https://zrzy.guizhou.gov.cn/wzgb/zwgk/zdlyxxgk/dlxxgl/), and the map was drawn using ArcGIS software