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

Manych The Manych () 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 (river), Don, it is l ...

. It is long, and has a

drainage basin A drainage basin is an area of land in which all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, ...

of .«Река Егорлык (Большой Егорлык)»
Russian State Water Registry Since the Manych flows into the Don it is the southernmost tributary of the Don, 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 The channel catfish (''Ictalurus punctatus''), known informally as the "channel cat", is a species of catfish native to North America. They are North America's most abundant catfish species, and the official state fish of Kansas, Missouri, Nebra ...

"), which was imported for

fish farming Fish farming or pisciculture involves commercial breeding of fish, most often for food, in fish tanks or artificial enclosures such as fish ponds. It is a particular type of aquaculture, which is the controlled cultivation and harvesting of ...

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

Romanogobio pentatrichus ''Romanogobio'' is a genus of freshwater Actinopterygii, ray-finned fish belonging to the Family (biology), family Gobionidae, the gudgeons. These fishes are found in Europe and Asia. Species These are the currently recognised species in this g ...

'', 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 motion, movement of a craft or vehicle from one place to another.Bowditch, 2003:799. The field of navigation includes four general categories: land navig ...

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

irrigation Irrigation (also referred to as watering of plants) 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 bee ...

the water is used. The largest part is taken from the Novotroitskoye Reservoir via the '' Right Yegorlyk Canal (Prawo-Jegorlykski Canal) ''. Several small hydropower plants have been built on the upper reaches of the river, which are now operated by the

RusHydro RusHydro (previous name: Hydro-OGK, ) is a Russian hydroelectricity company. As of early 2012 it had a capacity of 34.9 gigawatts. In late 2009, it was the world's second-largest hydroelectric power producer and is the country's largest p ...

'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, also known as a thermal power plant, is a type of power station in which the heat energy generated from various fuel sources (e.g., coal, natural gas, nuclear fuel, etc.) is converted to electrical energy. The heat ...

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 (, ;"Большой энциклопедический словарь", под ред. А. М. Прохорова. Москва и Санкт-Петербург, 1997, стр. 1402 , ''Elst'', )The approximate pronunciation of the Cyr ...

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

Rostov-on-Don Rostov-on-Don is a port city and the administrative centre of Rostov Oblast and the Southern Federal District of Russia. It lies in the southeastern part of the East European Plain on the Don River, from the Sea of Azov, directly north of t ...

)

Bataisk Bataysk () is a types of inhabited localities in Russia, 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 Ascens ...

; - Stavropol near the village of Besopasnoye.

References

External links

Article
in

Great Soviet Encyclopedia The ''Great Soviet Encyclopedia'' (GSE; , ''BSE'') 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 ''Great Russian Enc ...

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