The Altai Mountains, also spelled Altay Mountains, are a mountain range in Central Asia and Eastern Asia, where Russia, China, Mongolia, and Kazakhstan converge, and where the rivers Irtysh and Ob have their headwaters. The massif merges with the Sayan Mountains in the northeast, and gradually becomes lower in the southeast, where it merges into the high plateau of the Gobi Desert. It spans from about 45° to 52° N and from about 84° to 99° E.
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The Tuvans or Tyvans are a Turkic ethnic group indigenous to Siberia who live in Russia (Tuva), Mongolia, and China. They speak Tuvan, a Siberian Turkic language. In Mongolia they are regarded as one of the Uriankhai people groups.
Bayan-Ölgii is the westernmost of the 21 aimags (provinces) of Mongolia. The country's only Muslim and Kazakh-majority aimag, it was established in August 1940. Its capital is Ölgii.
The Bayankhongor Province or Bayanhongor Aimag is one of the 21 aimags (provinces) of Mongolia. It is located in the southwest of the country and, at 116,000 square kilometers, it is one of the largest aimags. The capital of the aimag shares the provincial name, Bayankhongor.
Khovd is one of the 21 aimags (provinces) of Mongolia, located in the west of the country. Its capital is also named Khovd.
Zavkhan is one of the 21 aimags (provinces) of Mongolia, located in the west of the country, 1,104 km from Ulaanbaatar. Its capital is Uliastai. The aimag is named after the Zavkhan River, which forms the border between Zavkhan and Gobi-Altai aimag.
Uvs Lake is a highly saline lake in an endorheic basin—Uvs Nuur Basin, primarily in Mongolia with a smaller part in Russia. It is the largest lake in Mongolia by surface area, covering 3,350 km2 at 759 m above sea level. The northeastern tip of the lake is situated in the Tuva Republic of the Russian Federation. The largest settlement near the lake is Ulaangom. This shallow and very saline body of water is a remainder of a huge saline sea which covered a much larger area several thousand years ago.
Uvs Lake Basin is an endorheic basin located on the territorial border of Mongolia and Tuva, a republic of the Russian Federation. The basin is part of the Central Asian Internal Drainage Basin and is named after Uvs Lake, a large saline lake situated in the western part of its drainage basin, and is one of the last remnants of the mammoth steppes. Uvs Lake is a shallow lake with an area of 3,350 km2 (1,290 sq mi). Its entire basin, which includes several smaller lakes, is 70,000 km2 (27,000 sq mi).
The Great Lakes Depression, also called the Great Lakes' Hollow, is a large semi-arid depression in Mongolia that covers parts of the Uvs, Khovd, Bayan-Ölgii, Zavkhan and Govi-Altai aimags. Bounded by the Altai in the West, Khangai in the East and Tannu-Ola Mountains in the North, it covers the area of over 100,000 km2 (39,000 sq mi) with elevations from 750 to 2,000 m (2,460–6,560 ft).
South Central Siberia is a geographical region north of the point where Russia, China, Kazakhstan and Mongolia come together.
The wildlife of Mongolia consists of flora, fauna and funga found in the harsh habitats dictated by the diverse climatic conditions found throughout the country. In the north, there are salty marshes and fresh-water sources. The centre has desert steppes. In the south, there are semi deserts as well as the hot Gobi desert in the south, the fifth-largest desert in the world.
The Southern Siberian rainforest is an area of temperate rainforest in South Central Siberia that occurs primarily along the Altai and Sayan mountain ranges in Khakassia and Tuva as well as a small area in the Khamar-Daban Mountains near Lake Baikal in Buryatia. The forest encompasses a total area of approximately 6,000 square kilometres (2,300 sq mi). The larger portion of the forest in the Altai and Sayan Mountains runs across a latitude range that encompasses between 51.5 degrees to 56 degrees north latitude, and a longitude range running between 86 degrees to 95 degrees east longitude. The region overlaps with the Golden Mountains of Altai World Heritage Site. Ecological zones range from hemiboreal forest to a forest-steppe ecotone and include a wider variety of plant species than surrounding areas.
Saylyugemsky National Park sits at the mountainous "X" where the borders of Russia, Kazakhstan, Mongolia and China meet in the Altai Mountains of central Asia. Because of its remoteness and position at the meeting points of mountains, steppes, desert and forest, it is a globally important natural reserve for biodiversity. The park was formally established in 2010–2012, with a particular purpose of protecting the vulnerable Altai argali mountain sheep and the endangered Snow leopard. The component Saylyugem Mountains are a ridge of the Altai, and stretch to the northeast to the Sayan Mountains. The climate is cold and semi-arid. Administratively, the park is located in the Kosh-Agachsky District of the Altai Republic. While ecotourism has a stated role, visits to the territory currently require special passes from park administration, and activities are limited to roads and trails.
Khakasski Nature Reserve is a Russian 'zapovednik' covering two large mountain areas, and a cluster of seven steppe sites located within the left bank of the Minusinsk depression. The reserve is situated in the Tashtypsky District of Khakassia. It was originally created to preserve steppe ecosystems, wetlands and waterfowl nesting sites, and a historical complex of monuments and cemeteries from the 4-11 centuries BC. The reserve is particularly noted for its variety of large lakes on the Yenisei River migration route for birds. The current configuration of protected sectors was established in 1999, and covers a total area of 2,675.58 km2 (1,033.05 sq mi).
The Altai montane forest and forest steppe ecoregion covers patches of the subalpine forest belt on the Altai Mountains, crossing the border region where Russia, Kazakhstan, Mongolia and China meet. The region has high biodiversity, as it is located in transition zones between different ecoregions, altitudes, and climate zones. It is in the Palearctic realm, with a Cold semi-arid climate. It covers 35,199,998 km2 (13,590,795 sq mi).
The Sayan montane conifer forests ecoregion covers the mid-elevation levels of the Sayan Mountains, the high mountain range between the taiga of Siberia, Russia to the north, and the steppes of Mongolia to the south. The slopes of the mountains at the mid-altitudes are covered by Temperate coniferous forest. The ecoregion is in the Palearctic realm, with a cold semi-arid climate. It covers 35,741,835 km2 (13,800,000 sq mi).
The Sayan intermontane steppe ecoregion is sometimes referred to as a "steppe island", being an expanse of grassland and shrubs surrounded by mountain forests in the Tyva Republic of south central Siberia, Russia. The Altai Mountains are to the west, the Sayan Mountains to the north, and the Tannu-Ola Mountains to the south. The ecoregion is in the temperate grasslands, savannas, and shrublands biome, and the Palearctic realm, with a Humid Continental climate. For much of its length, it follows the course of the upper Yenisei River. It covers 33,928 km2 (13,100 sq mi).
The Great Lakes Basin desert steppe ecoregion covers the enclosed basin centered on Uvs Lake, a saline, endorheic basin in northwestern Mongolia. A portion of the ecoregion stretches across the region into Russia. The lake district is important for migrating birds, waterfowl, and seabirds. The ecoregion is in the Palearctic realm and the deserts and xeric shrublands biome. It has an area of 157,212 square kilometres (60,700 sq mi).
Har Us Nuur National Park is a national park in Khovd Province, Mongolia. It covers a chain of three large lakes in the Great Lakes Basin of western Mongolia. The lakes, Khar-Us Nuur, Khar Lake and Dörgön Lake are bordered by marshes and reed-beds that are an important breeding sport for birds, over 200 species of which have been identified in the park. Mount Jargalant is on the southern shore of Khar-Us. This park is distinct from Khyargas Nuur National Park, another large lake in the region, but 60 km to the north.
