Ust-Yansky District (; , ) is an administrativeConstitution of the Sakha Republic and municipalLaw #172-Z #351-III 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 .Registry of the Administrative-Territorial Divisions of the Sakha Republic Its administrative center is the urban locality (a settlement) of Deputatsky. Population: The population of Deputatsky accounts for 37.0% of the district's total population.
Geography The main rivers in the district include the Yana, the Omoloy with the Ulakhan-Kyuegyulyur, the Sellyakh, as well as the Chondon with its tributary the Nuchcha. The Kyundyulyun, northernmost spur of the Chersky Range, rises north of Ust-Kuyga. There are numerous lakes in the district. Orotko is one of the largest.Google EarthTopographic map - Kular
Average January temperature ranges from and average July temperature ranges from .Center of the Socioeconomic and Political Monitoring. Ust-Yansky District Annual precipitation ranges from in the north to 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: Russians: 58.7% Yakuts: 8.7% Evens: 2.2% Evenks: 0.1% other ethnicities: 30.3%
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 2021 census, the indigenous Yakuts again formed a plurality (around a half) of the inhabitants, with the total population now just 6,810. In that year, the ethnic composition of the district was: Yakuts: 48.5% Russians: 20.7% Evens: 20.2% Yukaghirs: 2.8% Ukrainians: 2.7% other ethnicities: 5.1%
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 + Municipal compositionUrban settlementsPopulationMaleFemaleInhabited localities in jurisdictionDeputatsky()29831447 (48.5%)1536 (51.5%)urban-type settlement of Deputatsky (administrative center of the district)Nizhneyansk()391208 (53.2%)183 (46.8%)urban-type settlement of Nizhneyansk Ust-Kuyga()979516 (52.7%)463 (47.3%)urban-type settlement of Ust-Kuyga Rural settlementsPopulationMaleFemaleRural localities in jurisdiction*Kazachinsky National Nasleg()1367665 (48.6%)702 (51.4%)selo of KazachyeOmoloysysky National Nasleg()433223 (51.5%)210 (48.5%)''selo of Khayyr|- |valign="top"|Silyannyakhsky National Nasleg() |align="center"|771 |align="center"|377 (48.9%) |align="center"|394 (51.1%) |selo of Sayylyk|- |valign="top"|Tumatsky National Nasleg() |align="center"|533 |align="center"|286 (53.7%) |align="center"|247 (46.3%) |selo of Tumat|- |valign="top"|Ust-Yansky National Nasleg() |align="center"|317 |align="center"|166 (52.4%) |align="center"|151 (47.6%) |selo of Ust-Yansk|- |valign="top"|Uyandinsky National Nasleg() |align="center"|154 |align="center"|84 (54.5%) |align="center"|70 (45.5%) |selo of Uyandi|- |valign="top"|Yukagir National (Nomadic) Nasleg() |align="center"|128 |align="center"|67 (52.3%) |align="center"|61 (47.7%) |selo'' of Yukagir Divisional source:Ust-Yansky Ulus (Raion) Official website of the Sakha Republic
*Administrative centers are shown in bold
References Notes
Sources
External links Легенды северного края. Шаман Байдарым. (Legends of Baydarym, a famous Ust-Yansky shaman)