Add to ORKGInternational audienceLandscape and toponymical researches contribute to the reconstruction of the geographical environment of the past historic periods as well as the study made on the Khangalssky district in Yakutia (oriental Siberia). A landscape semantics cartography of the toponyms covering the valley of “Erkeeni” and “Samartay” combined with remote sensing image processing and the semantics analysis of the three linguistic groups of toponyms [Turkic (Yakut), Manchu-Tungus (Evenk) and Slavic (Russian)] generate a model of recognition of the landscape’s categories. These landscape’s categories recognised corresponding to the historical evolutions of Khangalssky district; but also, of the different land uses, specific economic activity o...