Fig. 1

Digital elevation map of the location of Silin Hydropower Station. The figure comprises three panels: Left upper panel: Administrative map of Guizhou Province, Southwest China. Left lower panel: Detailed topographic map of Tongren City. Right panel: High-resolution (30 m) Digital Elevation Model (DEM) of Sinan County, with a solid red circle (5 km buffer radius) marking the geolocation of Siling Hydropower Station. Figure 1 was originally created by myself using the open-source software QGIS (version 3.40.7, URL: https://www.gnu.org).