Kazakhstan the unique nature.

“Turgai is a left tributary of the Irgiz River, belongs to the water system of the Turgai region. The Turgai River originates on the western slope of the Ulutaus Mountains with small but numerous sources, of which there are up to 67 and known under the general name "turgai", and the northern turgai constitutes a significant source of the Sary-Turgai, which passes through the large lake Sary-Kopa and after from it it merges with the southern turgays, after which the river receives the name Turgai, under which it flows until it flows into the Irgiz River. The direction of Turgai is southwest. Length 450 versts. The water in the upper reaches is fresh, in the lower reaches it is salty. Of the tributaries of the Turgai, the more significant Ulkoyak, which flows from north to south and flows into the Turgai on the right side"

Encyclopedic Dictionary of Brockhaus and Efron.

Rivers of the Aktobe region.

The Turgai River (Kaz. Torgai) - in the Kostanay and Aktobe regions of Kazakhstan. The Turgai basin belongs to the area of ​​internal flow. The toponym Turgai is derived from the common Turkic torus - "lowland" and the diminutive affix - gai.
The length of the river is 825 kilometers, the basin area is 157,000 square kilometers, the average flow of water is about 9 cubic meters per second. The mouth height is 54 meters above sea level. The height of the source is 132 meters above sea level.
The river is formed at the confluence of the Zhaldama and Kara-Turgai rivers, which originate on the western edge of the Kazakh Upland, and flows along the Turgai hollow, breaking into branches in a wide floodplain with the formation of many lakes.
Lost in the drainless Shalkarteniz depression. The food is mainly snow-fed (the annual runoff is formed mainly during the spring flood). In summer, the water in the lower reaches becomes salty. Tributaries: Irgiz, Saryturgai, Kayindy.
Freezes in the first half of November, opens in the first half of April. Until the end of the 16th century, the river flowed into the Aral Sea. The degradation of the forest cover of the area under the influence of man, as well as the active intake of water for economic needs, led to the gradual shallowing of Turgai.
Tectonic shifts of the Turan platform also played a certain role in the process of losing the connection between Turgai and the Aral Sea basin.

Authority:
https://ru.wikipedia.org/wiki

Photos by
Alexander Petrov.