Genome Diversity in Ukraine

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Originally Posted by Aspirin

10-20? They are many.

These are some of them:

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Could you tell me more about this list?

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Originally Posted by Stearsolina

That' because southern Ukraine (black sea steppe) was repopulated after Turkic tribes were booted out by people from many places including central Russia. Same applies to south Russia. Slavic population in pontic caspian steppe isn't native there by more than few centuries.

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I know, I've traveled a lot in Ukraine. Those in the South speak primarily Russian, compared to Ukrainian in the West. And yes, the region was repopulated with people further North and East after the Crimean Khanate was disestablished.

I don't have Ukrainian regional averages but on G25 southern Russians (who should be identical to east Ukrainians) have 20-30% Baltic admixture which sugests their origins are from further north.

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Originally Posted by andre

Source of a massive vlach migration and settlement in western ukraine? I don’t think that 10-20 scattered villages in Podolia and Galicia could influence autosomally all those regions.

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Dont know about West Ukraine but I know in Southern Ukraine Romanians and some Orthodox Albanians who fought in the wars against Turks were permitted to settle in order to colonize it.

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Originally Posted by andre

Could you tell me more about this list?

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Villages from 14-16 centuries founded under Vlach law, mostly from Lviv area.

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Originally Posted by Stearsolina

That' because southern Ukraine (black sea steppe) was repopulated after Turkic tribes were booted out by people from many places including central Russia. Same applies to south Russia. Slavic population in pontic caspian steppe isn't native there by more than few centuries.

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Not just Southern Ukraine. Most of today's Ukraine east of Kiev. That area also contains around 70% of the population.

As per the 1989 census (last Soviet census)
https://i.ibb.co/0FnwF0b/Ukraine-West-vs-East.png

Percentage of self-reported Russians (again, as of 1989)
https://i.ibb.co/Q9bX5wt/image.png
In the rest of Ukraine it was below or slightly above 5%.

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Originally Posted by Stearsolina

I don't have Ukrainian regional averages but on G25 southern Russians (who should be identical to east Ukrainians) have 20-30% Baltic admixture which sugests their origins are from further north.

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Southern Russians must be a mix of Central Russians (Ryazan, Moscow, Kaluga- that kind of places) and settlers from today's Ukraine (mainly along the Dnieper). Krasnodar, Rostov, Stavropol used to be heavily Cossack.

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Originally Posted by Stearsolina

I don't have Ukrainian regional averages but on G25 southern Russians (who should be identical to east Ukrainians) have 20-30% Baltic admixture which sugests their origins are from further north.

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maybe some of it is misinterpreted Scytho-Sarmatian? they have high i2a so i would guess the ressetlers were mostly from the wider Polesye region

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Originally Posted by vbnetkhio

maybe some of it is misinterpreted Scytho-Sarmatian? they have high i2a so i would guess the ressetlers were mostly from the wider Polesye region

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Maybe. But on G25 their pre Slavic matches BA Latvians and IA Estonians (who were mostly Baltic like). I didn't try to model with Iranics because they lack R-Z93 afaik. But maybe they have some input from them, who knows. They score minor Caucasus type admix too and it could be misinterpreted Aryan(scytho-sarmatian had more chg/west asian than NE Euros)

Russians is general seem to have very imprortant Baltic substratum, and Finnic only in the north.

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Originally Posted by Stearsolina

Maybe. But on G25 their pre Slavic matches BA Latvians and IA Estonians (who were mostly Baltic like). I didn't try to model with Iranics because they lack R-Z93 afaik. But maybe they have some input from them, who knows. They score minor Caucasus type admix too and it could be misinterpreted Aryan(scytho-sarmatian had more chg/west asian than NE Euros)

Russians is general seem to have very imprortant Baltic substratum, and Finnic only in the north.

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this makes sense.

but proto-Slavs were something like 80% Baltic BA/IA + 20% some south-west shifts. so i doubt g25 can tell them apart accurately. even the more advanced tools have this problem.