The DNA study was split into two papers since Russian and Ukrainian researchers couldn't co-author, Nature reported.
Read the paper: A genomic history of the North Pontic Region ... the second (the Volga cline) with the Volga River, which flows into the Caspian Sea; and the third, the Caucasus–lower Volga ...
Within the framework of the federal project "Improvement of the Volga River" of the national project "Ecology", the Small Darma river was cleared in the Trusovsky district of Astrakhan. Rosvodresursy ...
At the heart of this discovery was the Caucasus-Lower Volga (CLV) population, who lived between 4500 and 3500 BCE in the region between the northern Caucasus and the southern Volga River.