Petukhovo (), also known as Petukhovskoye Soda Lake (), is an alkaline lakeсостав рассолов и минеральная зональность донных отложений содовых озер КулундинскОЙ степИ (Западная Сибирь) in Klyuchevsky District, Altai Krai, Russian Federation.Google Earth
The lake is located at the western edge of the Krai, only east of the Russia-Kazakhstan border. The nearest inhabited place is Severka to the east of the eastern end. Klyuchi, the district capital, lies to the north.
In 1998 the lake was declared a natural monument of regional significance. Petukhovo is a soda lake and there was a soda plant operating near it that had been extracting raw material from it since 1921.Основан 100 лет назад. Петуховский содовый завод. The company was liquidated in 2006.
Geography Located in the Kulunda Plain, Petukhovo has an elongated shape, stretching roughly from northeast to southwest for approximately . The lake dries during summers of drought, becoming a salt pan. Salt was mined in the lake in the past. The indicator minerals in the sediments of the lake are pyrite, disordered Ca-smectites, and dolomite, the latter being markedly predominant, especially in the lower part of the sediment section. The water has a mineralization of and a pH of 9.8.
Metagenomic analyses of lake samples collected in July 2016 indicate the presence of archaea belonging to the Lokiarchaeota group (MAG: Ca. Lokiarchaeota archaeon isolate CSSed165cm_327R1) among other microbes.NCBI Nucleotide: MAG: Candidatus Lokiarchaeota archaeon isolate CSSed165cm_327R1. See Additional File 4 (xlsx).
Lake Gornostalevo lies to the south and Kurichye to the ENE. to the northeast lies lake Petukhovo, near Petukhi.
Flora and fauna The lake is surrounded by forest steppe. There are also sand dunes.Ключевский район - Алтайская краевая универсальная научная библиотека
See also List of lakes of Russia
References
External links Biota of hyperhaline lakes of the south of Western Siberia