Fig. 1

(A) Map of Namibia with the administrative boundaries of regions and the Zambezi region highlighted. (B) Details of the Zambezi region indicating the human population density per km² and road networks. The population density was calculated from the High Resolution Settlement Layer (HRSL) from Meta (formerly facebook). The maps were created using QGIS (version 3.40.2; QGIS Development Team, 2024; https://qgis.org/).