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How did Indigenous Australians use fire to manage savanna landscapes?

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Flat savanna plain with scattered acacia trees under a partly cloudy sky in Serengeti National Park, Tanzania. — Savanna A savanna marked with acacia trees in Serengeti National Park, Tanzania. Africa's Serengeti Plain is commonly used as an example of the savanna biome—a hot, seasonally dry ecological region characterized by an open tree canopy (i.e., scattered trees) above an understory of continuous grasses.

Indigenous Australians have utilized fire as a sophisticated land-management tool for at least 50,000 years, a practice often referred to as "firestick farming". By intentionally lighting fires, they regulated and maintained plant and animal food sources, effectively shaping the savanna landscape.12

These fires were employed for several strategic purposes:
* Landscape Maintenance: Keeping the country open and easily traversable.1
* Hunting: Revealing and killing small edible animals, such as lizards, turtles, and rodents.1
* Resource Promotion: Creating areas that encourage the growth of fresh green grass to attract game like wallabies, and fostering the growth of plants that produce edible tubers.1
* Protection: Providing firebreaks to shield fire-sensitive rainforest patches from more destructive, late-season wildfires.1

Indigenous peoples recognized the ecological nuances of fire, often lighting fires early in the dry season when they are less intense. This traditional ecological knowledge allowed them to manage the environment efficiently, ensuring the sustainability of their food sources and maintaining the biodiversity of the savanna.12