Modern diatoms of the Black Sea: invaders or indigenes?

 

Nickolai A. Davidovich, Olga I. Davidovich

Vyazemsky Karadag Scientific Station – Nature Reserve of RAS, Branch of the A.O. Kovalevsky Institute of Biology of Southern Seas RAS (Feodosiya, Russia)

 

The Black Sea basin became closed several times, which led to significant desalination, then was salted, having received a connection with the ocean. The marine fauna and flora was replaced by freshwater and vice versa. The last cardinal transformation took place at the turn of about 7–8 thousand years ago, when the Bosporus and Dardanelles strains opened, and salt water began to flow into the Black Sea basin from the Mediterranean Sea. The main issue under discussion concerns speciation and its speed – did the diatoms that penetrated the Black Sea from the Mediterranean retained genetic unity, or did their evolution lead to the formation of new (now native) species?

Key words: diatoms; salinity; Black Sea; evolution; Haslea

 

Full text of the article in Russian - http://algology.ru/1641

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Authors

Davidovich N.A. 

ORCID - https://orcid.org/0000-0002-3510-0453, Scopus Author ID - 6603538737,
ResearcherID - G-2304-2017, eLIBRARY Author ID - 753282.

Vyazemsky Karadag Scientific Station – Nature Reserve of RAS, Branch of the A.O.Kovalevsky Institute of Biology of Southern Seas RAS, Feodosiya, Russia

karadag-algae@yandex.ru

Davidovich O.I. 

ORCID - https://orcid.org/0000-0003-3024-0104, Scopus Author ID - 34871898400,
eLIBRARY Author ID - 906768.

Vyazemsky Karadag Scientific Station – Nature Reserve of RAS, Branch of the A.O.Kovalevsky Institute of Biology of Southern Seas RAS, Feodosiya, Russia

olivdav@mail.ru

 

ARTICLE LINK:

Davidovich N.A., Davidovich O.I. Modern diatoms of the Black Sea: invaders or indigenes? Voprosy sovremennoi algologii (Issues of modern algology). 2021. №1 (25). С. 56–60. URL: http://algology.ru/1641

DOI – https://doi.org/10.33624/2311-0147-2021-1(25)-56-60

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