The study applied resilience theory — a framework from ecology that examines how systems respond to and recover from stress — to understand how Great Basin peoples adapted to the significant environmental changes of the Holocene.

The results were striking.

Rather than finding evidence for the kind of population replacement — one group moving in and replacing another — that some models had proposed for periods of severe drought in the region, the study found evidence for remarkable demographic continuity.

The genetic signatures, the material culture, and the radiocarbon evidence all pointed to the same conclusion: the people of the Great Basin did not disappear or get replaced when climate stress intensified.

They adapted.