Lake Pyasino (russian: Пясино) is a large freshwater

lake A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much large ...

Krasnoyarsk Krai Krasnoyarsk Krai ( rus, Красноя́рский край, r=Krasnoyarskiy kray, p=krəsnɐˈjarskʲɪj ˈkraj) is a federal subject of Russia (a krai), with its administrative center in the city of Krasnoyarsk, the third-largest city in Si ...

, north-central part of

Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eig ...

. It is located at and has an area of 735 km². Many rivers empty into the lake, including the

Ambarnaya The Ambarnaya (russian: Амбарная, translation=barn girl) is a river in Siberia which flows in a northerly direction into Lake Pyasino. On leaving Lake Pyasino, the waters emerge as the river Pyasina. It shares a common delta with the ri ...

. Water from the lake emerges as the river

Pyasina The Pyasina (russian: Пясина) is a river in Krasnoyarsk Krai, Russia. The river is long, and its basin covers . The Pyasina River originates in Lake Pyasino and flows into the Pyasino Gulf of the Kara Sea. There are more than 60,000&nb ...

. Pyasino freezes up in October and stays icebound until June.

Environmental pollution

As the recipient of polluted wastewater from

Norilsk Nickel Norilsk Nickel (russian: ГМК «Норильский никель»), or Nornickel, is a Russian nickel and palladium mining and smelting company. Its largest operations are located in the Norilsk–Talnakh area near the Yenisei River in the no ...

's metallurgical plants, it is almost completely devoid of fish. Environmental studies has been performed and comparative analysis of the data on heavy metal concentrations, namely Cu, Ni, Zn, Cd and Hg, in fish (

burbot The burbot (''Lota lota'') is the only gadiform (cod-like) freshwater fish. It is also known as bubbot, mariah, loche, cusk, freshwater cod, freshwater ling, freshwater cusk, the lawyer, coney-fish, lingcod, and eelpout. The species is closel ...

), moss, lichens,

periphyton Periphyton is a complex mixture of algae, cyanobacteria, heterotrophic microbes, and detritus that is attached to submerged surfaces in most aquatic ecosystems. The related term Aufwuchs (German "surface growth" or "overgrowth") refers to the col ...

hydric soil Hydric soil is soil which is permanently or seasonally saturated by water, resulting in anaerobic conditions, as found in wetlands. Overview Most soils are aerobic. This is important because plant roots respire (that is, they consume oxygen an ...

s and

snow Snow comprises individual ice crystals that grow while suspended in the atmosphere—usually within clouds—and then fall, accumulating on the ground where they undergo further changes. It consists of frozen crystalline water throughout ...

in vicinity of

Norilsk Norilsk ( rus, Нори́льск, p=nɐˈrʲilʲsk, ''Norílʹsk'') is a closed city in Krasnoyarsk Krai, Russia, located south of the western Taymyr Peninsula, around 90 km east of the Yenisey River and 1,500 km north of Krasnoyarsk. Norilsk ...

and further out in the most northern parts of the

Taymyr Peninsula The Taymyr Peninsula (russian: Таймырский полуостров, Taymyrsky poluostrov) is a peninsula in the Far North of Russia, in the Siberian Federal District, that forms the northernmost part of the mainland of Eurasia. Administrat ...

completed. Heavy metal concentrations in burbot liver were highest in Lake Pyasino compared to other study regions that were more than 100 km away.Zhulidov, A.V., Robarts, R.D., Pavlov, D.F. et al
Long-term changes of heavy metal and sulphur concentrations in ecosystems of the Taymyr Peninsula (Russian Federation) North of the Norilsk Industrial Complex

Environmental Monitoring and Assessment ''Environmental Monitoring and Assessment,'' first published in 1981, is a weekly, peer reviewed, scientific journal published by Springer. The managing editor is G.B. Wiersma (University of Maine).Norilsk oil spill The Norilsk diesel oil spill was an industrial disaster near Norilsk, Krasnoyarsk Krai, Russia. It began on 29 May 2020 when a fuel storage tank at Norilsk-Taimyr Energy's Thermal Power Plant No. 3 (owned by Nornickel) failed, flooding local r ...

References

Pyasino Lake Pyasino (russian: Пясино) is a large freshwater lake in Krasnoyarsk Krai, north-central part of Russia. It is located at and has an area of 735 km². Many rivers empty into the lake, including the Ambarnaya. Water from the lake emer ...

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