Along the broad, braided channels of the Amur River Basin, communities emerged in the mid-Holocene to exploit a landscape of wetlands, floodplain forests, and abundant fish runs. Archaeological data indicates sustained human presence in parts of what is now Heilongjiang and neighboring provinces between roughly 6690 and 4270 BCE, a period when rising temperatures and stable riverine resources fostered denser seasonal occupation.
Material traces — pottery sherds, stone tools with riverine wear patterns, charred fish and mammal bones — paint a picture of groups whose lifeways pivoted on the river. Limited evidence suggests a gradual intensification of fishing, targeted hunting of cervids and boar, and plant foraging rather than an immediate turn to agriculture. Settlement traces appear in low-lying camps and possible semi-subterranean structures in flood-protected ridges, though preservation varies and data remain patchy.
The cinematic sweep of broad waters and coniferous shorelines frames a slow, local emergence of Neolithic adaptations in northeastern China. Archaeologists emphasize that while the Amur Basin shows hallmarks of independent regional development, connections to neighboring northern East Asian groups likely influenced technology and mobility. Given the modest number of archaeological contexts that have been sampled for DNA so far, narratives about migration and cultural transmission remain provisional and open to revision as more sites are analyzed.