Spread and Identity
The Yamna culture is identified with the late Proto-Indo-Europeans (PIE) in the Kurgan hypothesis of Marija Gimbutas. It is one candidate for the Urheimat (homeland) of the Proto-Indo-European language, along with the preceding Sredny Stog culture, now that archaeological evidence of the culture and its migrations has been closely tied to the evidence from linguistics and Andronovo aDNA.
Pavel Dolukhanov argues that the emergence of the Pit-Grave culture represents a social development of various local Bronze Age cultures, representing "an expression of social stratification and the emergence of chiefdom-type nomadic social structures", which in turn intensified inter-group contacts between essentially heterogeneous social groups.
It is said to have originated in the middle Volga based Khvalynsk culture and the middle Dnieper based Sredny Stog culture. In its western range, it is succeeded by the Catacomb culture; in the east, by the Poltavka culture and the Srubna culture.
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