The Yegorlyk (russian: Егорлык or Большой Егорлык) is a north-flowing river on the Black Sea-Caspian Steppe of southern Russia, a left tributary of the

Manych The Manych (russian: Маныч) is a river in the Black Sea–Caspian Steppe of Southern Russia. It flows through the western and central part of the Kuma–Manych Depression. In ancient times, it was known as the Lik. A tributary of the Don, it ...

. It is long, and has a drainage basin of .«Река Егорлык (Большой Егорлык)»
Russian State Water Registry Since the Manych flows into the Don it is the southernmost tributary of the

Don Don, don or DON and variants may refer to: Places *County Donegal, Ireland, Chapman code DON *Don (river), a river in European Russia *Don River (disambiguation), several other rivers with the name *Don, Benin, a town in Benin *Don, Dang, a vill ...

, if one excludes the Kalaus.

Fauna

Several

introduced species An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived ther ...

are present in the Yegorlyk catchment area. This includes the spotted forked catfish ('' Ictalurus punctatus'', " Channel catfish"), which was imported for

fish farming upright=1.3, Salmon farming in the sea (mariculture) at Loch Ainort, Isle of Skye">mariculture.html" ;"title="Salmon farming in the sea (mariculture">Salmon farming in the sea (mariculture) at Loch Ainort, Isle of Skye, Scotland Fish farming or ...

from the United States (Arkansas) in the 1970s and subsequently also spread outside the fish farms. Another fish is the

gobioninae Gobioninae is a monophyletic subfamily of Eurasian cyprinid fishes. A species-rich subfamily, it is divided into five tribes: Gobionini, Pseudogobionini, Hemibarbini, Coreiini, and Sarcocheilichthyini. To adapt to different masticatory operati ...

species '' Romanogobio pentatrichus'', which migrated independently from the Kuban, its original distribution area, via the Nevinnomyssk Canal.

Usage and infrastructure

There is no

navigation Navigation is a field of study that focuses on the process of monitoring and controlling the movement of a craft or vehicle from one place to another.Bowditch, 2003:799. The field of navigation includes four general categories: land navigation, ...

on Jegorlyk river. The entire length of the river flows through intensively farmed areas, for whose

irrigation Irrigation (also referred to as watering) is the practice of applying controlled amounts of water to land to help grow crops, landscape plants, and lawns. Irrigation has been a key aspect of agriculture for over 5,000 years and has been devel ...

the water is used. The largest part is taken from the Novotroitskoye Reservoir via the '' Right Yegorlyk Canal (Prawo-Jegorlykski Canal) ''. Several small

hydropower plant Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies one sixth of the world's electricity, almost 4500 TWh in 2020, which is more than all other renewable sources combined an ...

s have been built on the upper reaches of the river, which are now operated by the RusHydro 'Kuban Hydro Power Plant Cascade (Kubanski kaskad GES)' ': * Sengilejewskoje hydropower plant ('' Sengilejewskaja GES '', output 15; MW, built 1949-1953 at the outlet of the Newinnomyssk Canal to Jegorlyk) * Jegorlyk hydropower plant ('' Jegorlykskaja GES '', 30 MW, 1956–1962) * Hydropower plant Jegorlyk-2 ('' Jegorlykskaja GES-2 '', 14.2 MW, 1994-2010) * Novotroizk hydropower plant ('' Nowotroizkaja GES '', 3.68 MW, 1950–1953) The construction of the Jegorlyk-2 ('' Jegorlykskaja GES-2 '') hydropower plant, which started in 1994, was initially delayed due to financial difficulties, but was resumed in 2005 after being taken over by RusHydro and completed at the end of 2010. The reservoir of the Novotroizk hydropower plant is also used for the cooling water supply of the

thermal power plant A thermal power station is a type of power station in which heat energy is converted to electrical energy. In a steam-generating cycle heat is used to boil water in a large pressure vessel to produce high-pressure steam, which drives a steam ...

s in Stavropol '' (Stawropolskaja GRES) '', which is operated by the

OGK-2 OGK-2 (Wholesale generating company №2) is a Russian Electricity generation, power generation company. Majority of the company's stock is owned by Gazprom. History In 2005, five thermal power plants with installed capacity about 8,700 MW w ...

and with a capacity of 2400 MW is the largest in the North Caucasus. Stavropol thermal power plant
on the OGK-2 website (English, Russian) A number of other reservoirs directly on the Jegorlyk or in its valley are used for fish farming, for example at Ptitschje north of Isobilny. The upper reaches of Yegorlyk are crossed by a branch of the trunk road R217, which connects the regional capital Stavropol to the main road between Newinnomyssk and Kochubeyevskoye. The railway line from Kropotkin (station '' Kawkasskaja '') to Stavropol and

Elista Elista (russian: Элиста́, (common during the Soviet era) or (most common pronunciation used after 1992 and in Kalmykia itself);"Большой энциклопедический словарь", под ред. А. М. Прохорова. ...

crosses the river below Novotroizkaja and Isobilny, the regional road '' R269 following the middle course on the left '' ( Rostov-on-Don)

Bataisk Bataysk (russian: Бата́йск) is a city in Rostov Oblast, Russia, located southwest of Rostov-on-Don. Population: History It was founded in 1769, and was granted town status in 1938. The reconstructed Church of the Ascension was built be ...

; - Stavropol near the village of Besopasnoye.

References

External links

Article
in

Great Soviet Encyclopedia The ''Great Soviet Encyclopedia'' (GSE; ) is one of the largest Russian-language encyclopedias, published in the Soviet Union from 1926 to 1990. After 2002, the encyclopedia's data was partially included into the later ''Bolshaya rossiyskaya e ...

Rivers of Stavropol Krai Rivers of Kalmykia Rivers of Rostov Oblast {{Russia-river-stub