How Indigenous Australians rely on subtle changes in the environment to track the seasons

Noongar elder Noel Nannup said their Indigenous seasons were intrinsically linked to their totemic system (ABC: Tyne Logan)

Indigenous Australians use their deep spiritual connection to the land to track the seasons, but elders are warning of a "massive shift" in climate.

Meandering the sandy tracks of the Wandi nature reserve, Noel Nannup stops to observe the budding yellow flowers of the acacia tree.