The Karangatian epoch in the Neopleistocene history of the Black Sea
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2016
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Анотація
Black Sea Quaternary history shows an alternation of transgressive and regressive stages that are related to global climate change and pronounced due to semi-isolation from the World Ocean. In warm epochs, the Black Sea is connected to the Mediterranean Sea (i.e. World Ocean) via connecting seas and straits. In cold epochs, it becomes isolated or connects to the Caspian Sea via the Manych outlet. During transgressions, sea level rises as does salinity. During regressions, when it drops below the Bosphorus sill, the basin transforms into an isolated lake. During
transgressions, organisms migrate into the Black Sea from either the Mediterranean or Caspian. Such migrations affect assemblage structure and increase the number of species, especially in case of Mediterranean transgressions. During regressive stages, the number of species drops, and only holeuryhaline Mediterranean species can survive
the lowering of salinity (Yanko-Hombach, 2007).
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Ключові слова
Karangatian epoch, Neopleistocene history, Black Sea
Бібліографічний опис
Geophysical Research Abstracts