CHANGE IN THE ADMINISTRATIVE TERRITORIAL DIVISION REPUBLIC OF TUVA
The article considers the conditions under which changes of the administrative division of Tuva since the late XIX century to the present were carried out. The description periods of administrative-territorial division of Tuva are given: traditional use of resources until 1921, Tuvan People’s Republic until 1944 and the period of Tuva in Russia. The boundaries of the territorial division of Tuva, where one can trace the changes in the administrative structure are described by the use of tools of ArgGIS. Spatio-temporal analyses of the boundaries change of the Republic division since 1944 till 2014 is carried out on the bases of administrativeterritorial maps of 1947, 1956, 1966, 1969, 1985, 2014. With the use of the tools of ArgGIS the layers with boundaries of the territorial division of Tuva are made, where the administrative structure changes are clearly traced. The information on the number of administrative units in different time intervals is presented in a form of a table. The chronology and causes of boundaries of administrative-territorial division changes of Tuva since XIX century are studied