Petukhovskoye (), also known as Petukhovo, is an

alkaline lake A soda lake or alkaline lake is a lake on the strongly basic side of neutrality, typically with a pH value between 9 and 12. They are characterized by high concentrations of carbonate salts, typically sodium carbonate (and related salt complexe ...

состав рассолов и минеральная зональность донных отложений содовых озер КулундинскОЙ степИ (Западная Сибирь)
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Klyuchevsky District Klyuchevsky District () is an administrativeLaw #28-ZS and municipalLaw #141-ZS district (raion), one of the fifty-nine in Altai Krai, Russia. It is located in the west of the krai. The area of the district is . Its administrative center is the ...

Altai Krai Altai Krai (, ) is a federal subject of Russia (a krai). It borders, clockwise from the west, Kazakhstan ( East Kazakhstan Region, Abai Region and Pavlodar Region), Novosibirsk and Kemerovo, and the Altai Republic. The krai's administrative ce ...

Russian Federation Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...

Google Earth Google Earth is a web mapping, web and computer program created by Google that renders a 3D computer graphics, 3D representation of Earth based primarily on satellite imagery. The program maps the Earth by superimposition, superimposing satelli ...

The lake is located at the western edge of the Krai, only east of the Russia-Kazakhstan border. The nearest inhabited place is

Severka Severka () is a rural locality (a selo) and the administrative center of Seversky Selsoviet of Klyuchevsky District, Altai Krai, Russia. The population was 1,562 as of 2016. There are 16 streets. Geography and Ecology Severka is located 16 ...

to the east of the eastern end. Klyuchi, the district capital, lies to the north.

Geography

Located in the

Kulunda Plain The Kulunda Steppe or Kulunda Plain (, , ''Qūlyndy dalasy'') is an alluvial plain in Russia and Kazakhstan. It is an important agricultural region in Western Siberia. Geography The steppe is located between the Ob and Irtysh rivers in the sout ...

, Petukhovskoye 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 The mineral pyrite ( ), or iron pyrite, also known as fool's gold, is an iron sulfide with the chemical formula Fe S2 (iron (II) disulfide). Pyrite is the most abundant sulfide mineral. Pyrite's metallic luster and pale brass-yellow hue ...

, disordered Ca-

smectite A smectite (; ; ) is a mineral mixture of various swelling sheet silicates (phyllosilicates), which have a three-layer 2:1 (TOT) structure and belong to the clay minerals. Smectites mainly consist of montmorillonite, but can often contain secon ...

s, 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 Metagenomics is the study of all genetic material from all organisms in a particular environment, providing insights into their composition, diversity, and functional potential. Metagenomics has allowed researchers to profile the microbial co ...

analyses of lake samples collected in July 2016 indicate the presence of

archaea Archaea ( ) is a Domain (biology), domain of organisms. Traditionally, Archaea only included its Prokaryote, prokaryotic members, but this has since been found to be paraphyletic, as eukaryotes are known to have evolved from archaea. Even thou ...

belonging to the

Lokiarchaeota Promethearchaeota is the sole phylum of the kingdom Promethearchaeati, the kingdom from which the eukaryotes emerged. The phylum has one valid class: Promethearchaeia. The phylum includes all members of the group previously named Deep Sea Arc ...

group (MAG: ''Ca.'' Lokiarchaeota archaeon isolate CSSed165cm_327R1) among other

microbes A microorganism, or microbe, is an organism of microscopic size, which may exist in its single-celled form or as a colony of cells. The possible existence of unseen microbial life was suspected from antiquity, with an early attestation in ...

NCBI The National Center for Biotechnology Information (NCBI) is part of the National Library of Medicine (NLM), a branch of the National Institutes of Health (NIH). It is approved and funded by the government of the United States. The NCBI is loca ...

Nucleotide
MAG: Candidatus Lokiarchaeota archaeon isolate CSSed165cm_327R1
Charlotte D. Vavourakis, Maliheh Mehrshad, Cherel Balkema, Rutger van Hall, Adrian-Ştefan Andrei, Rohit Ghai, Dimitry Y. Sorokin & Gerard Muyzer: Metagenomes and metatranscriptomes shed new light on the microbial-mediated sulfur cycle in a Siberian soda lake. In: ''BMC Biology'' 17, No. 69 (2019). doi:10.1186/s12915-019-0688-7, PMID 31438955, . Se
Additional File 4
(xlsx). Lake

Gornostalevo Gornostalevo (), also known as Gornostalevoye (), is a salt lake in Mikhaylovsky District, Altai Krai, Russian Federation.Google Earth The lake is located at the western edge of the Krai. The nearest inhabited place is Nevodnoye, to the north o ...

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 A forest steppe is a temperate-climate ecotone and habitat type composed of grassland interspersed with areas of woodland or forest. Locations Forest steppe primarily occurs in a belt of forest steppes across northern Eurasia from the easter ...

. There are also sand dunes.Ключевский район - Алтайская краевая универсальная научная библиотека
/ref>

References

External links

Biota of hyperhaline lakes of the south of Western Siberia
Lakes of Altai Krai Endorheic lakes of Asia Kulunda Steppe Kazakhstan–Russia border {{AltaiKrai-geo-stub

Geography

Flora and fauna

See also

References

External links