Ukok Plateau (Russian: Укок) is a plateau covered by grasslands located in southwestern Siberia, in the Altai Mountains region of Russia near the borders with China, Kazakhstan, and Mongolia. The plateau is recognized as part of the UNESCO World Heritage Site entitled Golden Mountains of Altai as an important environmental treasure. It provides a habitat for many of the world's endangered species, including one of its least studied predatory animals: the snow leopard. Other endangered species protected there include the argali mountain sheep, the steppe eagle, and the black stork. It is also one of the last remaining remnants of the mammoth steppe. There are several threats to the preservation of the Ukok Plateau, including overuse of the steppe by ranchers, a proposed road, and plans for a gas pipeline between China and Russia.
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Ukok Plateau in the context of Mammoth steppe
The mammoth steppe, also known as steppe-tundra, was once the Earth's most extensive biome. During glacial periods in the later Pleistocene, it stretched east to west from the Iberian Peninsula in the west of Europe, then across Eurasia and through Beringia (the region including the far northeast of Siberia, Alaska and the now submerged land between them) and into the Yukon in northwest Canada; from north to south, the steppe reached from the Arctic southward to southern Europe, Central Asia and northern China. The mammoth steppe was cold and dry, and relatively featureless—though climate, topography, and geography varied considerably throughout. Certain areas of the biome, such as coastal areas, had wetter and milder climates than others. Some areas featured rivers which through erosion naturally created gorges, gulleys, or small glens. The continual glacial recession and advancement over millennia contributed more to the formation of larger valleys and different geographical features. Overall, however, the steppe is known to be flat and expansive grassland. The vegetation was dominated by palatable, high-productivity grasses, herbs and willow shrubs. Although it was primarily a Eurasian and Beringian biome, an analog of the mammoth steppe existed on the southern edge of the Laurentide ice sheet in North America as well, and contained many of the same animals such as woolly mammoths, muskoxen, scimitar cats, and caribou.
The fauna was dominated by species such as reindeer, muskox, saiga antelope, steppe bison, horses, woolly rhinoceros and woolly mammoth. These herbivores, in turn, were followed and preyed upon by various carnivores, such as wolves, brown bears, Panthera spelaea (the cave or steppe-lion), cave hyenas, wolverines, among others, as well as scimitar-toothed cats and giant short-faced bears in east Beringia (with scimitar-toothed cats also having rare records from the mammoth steppe in Eurasia).
Ukok Plateau in the context of Pazyryk culture
The Pazyryk culture (Russian: Пазырыкская культура Pazyrykskaya kul'tura) is a Saka (Central Asian Scythian) nomadic Iron Age archaeological culture (6th to 3rd centuries BC) identified by excavated artifacts and mummified humans found in the Siberian permafrost, in the Altay Mountains, Kazakhstan and Mongolia. The mummies are buried in long barrows (or kurgans) similar to the tomb mounds of Scythian culture in Ukraine. The type site are the Pazyryk burials of the Ukok Plateau.Many artifacts and human remains have been found at this location, including the Siberian Ice Princess, indicating a flourishing culture at this location that benefited from the many trade routes and caravans of merchants passing through the area. The Pazyryk are considered to have had a war-like life. The Pazyryk culture was preceded by the "Arzhan culture" (Initial Scythian period, 8th - 7th century BC).