Settlements 3 Urban-type settlements 3 Founded 1967 | Rural okrugs 7 Area 120,278 km² | |
Administrative center settlement of Deputatsky | ||
Ust-Yansky District (Russian: Усть-Я́нский улу́с; Yakut: Усуйаана улууһа, Usuyana uluuha, [usujaːna uluːha]) is an administrative and municipal district (raion, or ulus), one of the thirty-four in the Sakha Republic, Russia. It is located in the north of the republic in the Yana River delta on the coast of the Laptev Sea and borders with Allaikhovsky and Abyysky Districts in the east, Momsky District in the south, Verkhoyansky District in the southwest, and with Bulunsky District in the west. The area of the district is 120,300 square kilometers (46,400 sq mi). Its administrative center is the urban locality (a settlement) of Deputatsky. Population: 8,056 (2010 Census); 10,009 (2002 Census); 41,265 (1989 Census). The population of Deputatsky accounts for 37.0% of the district's total population.
Contents
- Map of Ust Yansky District Sakha Republic Russia
- Geography
- History
- Demographics
- Economy
- Inhabited localities
- References
Map of Ust-Yansky District, Sakha Republic, Russia
Geography
The main rivers in the district include the Yana, the Omoloy, and the Chondon.
Average January temperature ranges from −32 to −40 °C (−26 to −40 °F) and average July temperature ranges from +4 to +12 °C (39 to 54 °F). Annual precipitation ranges from 150–200 millimeters (5.9–7.9 in) in the north to 250–300 millimeters (9.8–11.8 in) in the south.
History
The district was established on January 5, 1967.
Demographics
As of the 1989 Census, the district had a population of 41,265 inhabitants, with an ethnic composition as follows:
However, a great deal of the ethnic Russian population left with the economic downturn following the collapse of the Soviet Union, so much so that the district lost over three-quarters of its population during the 1990s.
In the 2002 census, the indigenous Yakuts again formed a majority of inhabitants, with the total population now just 10,009. In that year, the ethnic composition of the district was:
Economy
The main industries are gold mining, reindeer herding, fishing, and fur trade. There are deposits of gold, tin, tungsten, mercury, lead, zinc, and brown coal.
Inhabited localities
Divisional source:
Population source:
*Administrative centers are shown in bold