Cool burns: Key to Aboriginal fire management

When Aboriginal people use fire to manage country they consider a plethora of parameters. Read why cool fires are key and why the canopy is sacred.

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Selected statistics

Tonnes of greenhouse gas emissions avoided in 12 months by letting Aboriginal people manage burns.
Factor by which introduced weeds can increase fuel loads.
Percentage of Australia's total greenhouse gas emissions caused by methane and nitrous oxide emissions from savannah burning ("hot fires"). Savannah covers about one quarter of Australia.
Depth to which a hot fire could bake the soil and destroy seeds and nutrients.

Meaning of fire

Fire is an important symbol in Aboriginal culture.

Traditionally it was used as a practical tool in hunting, cooking, warmth and managing the landscape. It also holds great spiritual meaning, with many stories, memories and dance being passed down around the fire.

But when out-of-control bush fires burn Aboriginal land, they are "also burning up our memories, our sacred places, all the things which make us who we are," says Yuin woman Lorena Allam, because "[we] lose forever what connects you to a place in the landscape".

Whilst popularly known as traditional burning, cool burning, Indigenous burning, etc., the practice is actually cultural land management.

— Bhiamie Eckford-Williamson, Euahlayi man and ANU researcher

Aboriginal fire management

Fire management is part of how Aboriginal people look after country. It is often called 'cultural burning'.

Definition: Cultural burns

Traditional fire management applies cool and quick burns. These low-intensity fires are also known as cultural burning. They have several benefits:

  • Save flora and fauna. Animals, including beetles and ant colonies, have enough time to escape. Young trees can survive and the fire keeps grass seeds intact for regrowth. The heat, which is much cooler than a hazard reduction burn, doesn't ignite the oil in a tree’s bark. It's a "tool for gardening the environment".
  • Self-extinguishing. The fire extinguishes straight after it burns the grass (“self-extinguishing fire”).
  • Avoid chemical weed killers. Introduced species, for example grasses, are not fire-resistant and can be removed with fire instead of chemicals.

You can tell if a fire was a cool burn when the burnt grass still has its previous shape.

Cultural burning is tightly connected to caring for country. It is applied more frequently than hazard reduction burning and is very labour intensive.

Cultural burns are used for cultural purposes and not not simply for asset protection. They protect Aboriginal sites and clear access to country for cultural uses (e.g. hunting, access to fish traps, ceremony grounds). Aboriginal control of preparation and implementation is essential.

Cultural fire means everything. It means healing Country and when you heal Country, you heal people.

— Wurundjeri Elder Dave Wandin

After World War II, missions towns and cattle stations lured Aboriginal people away from their homelands with promises of work and education. Fire management stopped with severe consequences for the land. Lightning strikes ignited large, hot fires late in the dry season, between August and December, when there was plenty of fuel.

The devastating 2015 Christmas bush fire at the Great Ocean Road in Victoria, triggered also by lightning, was only able to destroy a third of homes in Wye River and "entire streets" because "this country has not burnt, had a fire in it, in decades," as Craig Lapsley, Victoria's Emergency Management Commissioner admitted.

This trend has not been reversed yet. "Since European settlement, fires in the north have increased in size and severity. This has threatened biodiversity as well as increased greenhouse gas emissions," says Dr Garry Cook from the Commonwealth Scientific and Industrial Research Organisation (CSIRO).

When Aboriginal people returned to country and properly managed it, the area that burned was cut in half. Fire is an inevitable force in the dry season and needs to be managed. Fire burning has created a variety of habitats including places that are very sensitive to fire like rainforest.

In 2019, Forest Fire Management Victoria and Dja Dja Wurrung Clans Aboriginal Corporation (DDWCAC) jointly brought back cultural burning for the first time since invasion. It follows a lesson learnt from the March 2018 fires across the Bega Valley in New South Wales which stopped where the the Bega Local Aboriginal Land Council had done cultural burns the year before.

But cultural land management cannot just be added to existing non-Aboriginal practices. Aboriginal people must be involved as they know when to burn, where to burn and how to execute a burn.

Before Europeans arrived Aboriginal people were practising a form of fire management that in some respects was more successful than that which has been practised since.

— Prime Minister Tony Abbott, after devastating bushfires in NSW

Cultural burning is a practice not limited to Australia. Other indigenous peoples applied the same technique, for example the Indigenous Peoples of Canada.

The Northern Territory started supporting cultural burns on public lands from the early 1980s, New South Wales not before 2017.

Video: Cultural burning

Learn about cultural burning from Aboriginal fire practitioners (11 mins).

Open country with ant mounds in the background.
Fire-managed country. Notice the lack of tall grass or thick bushes. This would have been an ideal hunting ground a few weeks after a fire.

When to burn

The timing of fire management is critical and needs to happen at the right time of the year. To Aboriginal experts, the country reveals when it is appropriate to use fire: indicators such as when trees flower and native grasses cure. "The knowledge is held within the landscape. Once we learn how to read that landscape and interpret that knowledge, that’s when we can apply those fire practices," explains Aboriginal community member Noel Webster.

Ideal is the early dry season, from April to July, when vegetation that grew during the wet season begins to dry, fuel loads are low and wind patterns and drew support a burn. You don't want to burn when certain seeds or fruits are ripe for harvest.

The bushfire threat ends usually in November when monsoon rains arrive and the wet season returns.

If burning too early, big thick shrub develops after the fire which can become a big fuel load and is hard to manage.

If burning occurs too late, trees 'explode' during the fire and not much will be left after the fire goes through. Such fires emit higher levels of greenhouse gases than early season fires.

The right time depends on the ecosystem of the burn area because each system has its own identity and needs. An ecosystem is for example a forest of boxwood or tea trees, rainforest, or heath areas along rivers and springs.

Cool fires

A central idea in fire management is to have a cool fire. Night time or early mornings are ideal for cool fires as during the day plants sweat out flammable oils, and a nightly dew helps cool down the fire.

During a morning burn the wind is often gentle and supports Aboriginal people direct the burn. Without the help of the wind burning cannot happen at the right time. The sun, in contrast, encourages the fire to burn.

Cool fires don't bake the seeds and nutrients in the soil or destroy root systems. Flames are low so they cannot ignite the tree canopy and only char the bottom bark. They don't burn logs lying on the ground or habitat trees. Burning supports certain soils to improve and enables them to hold more moisture.

The speed of the fire is slow enough to allow insects to escape. If you cannot see an army of insects crawling and flying away from the fire, it is moving too fast and is too hot. The humans who manage the fire can also walk with the fire and correct if necessary.

Cool fires help change the vegetation structure by reducing the density of plants like Bracken Fern or Casuarina which lead to extreme fuel loads. But hot fires, such as hazard reduction burns, encourage their regrowth.

Aboriginal people who execute cool fires usually stay with the fire to manage it.

Video:Burning to heal: Indigenous burning before and after the Tathra bushfire (11 min, ABC News)

Video: How to conduct a cool burn

John Daly, an Aboriginal ranger from Fish River, Northern Territory, explains a cool burn (5:20 min).

The trunks show that they know fire, they live and understand fire, they’re trees that belong to the fire.

— Dr Tommy George, Kuku Thaypan Elder

Where to burn

Like a non-Aboriginal person reads a book, Aboriginal people can read the land to determine which areas need fire management.

They prepare a burn by looking at the different ecosystems, patches, fuel loads, grasses, soil type, and the kinds of ashes a fire will leave behind. It is not “one big grass area to be burnt”.

Trees tell Aboriginal people about the soil type and this tells them what type of fire is needed. Aboriginal people know which areas will burn and where the fire is going to stop. Some areas "want to be burnt" while others need to rest and regrow.

Cultural burns burn "for country" and not to satisfy a certain number of hectares for bureaucrats or statistics.

Indigenous [fire management] knowledge is really Indigenous science and must be recognised as this.

— David Claudie, Kuuku I'yu Northern Kaanju traditional owner

Burning usually occurs at the edge to the next ecosystem to not affect it as it might require a different approach of fire management at a different time. Many small mammals and birds need ground to stay unburnt for at least three years.

How to manage a burn

Aboriginal fire management techniques cannot be applied universally or done at scale as they intricately depend on the landscape. What works in savannah in northern Queensland might not work in subtropical rainforests in New South Wales or eucalyptus forests in Victoria.

And not all fire knowledge has been preserved – in areas close to Australian cities, where invasion often wiped out entire Aboriginal nations, fire knowledge has died with them.

Aboriginal people read the systems of fire—the grass, soil type, what animals live there and how they benefit from it. Burning styles differ depending on how "sick" the land is.

To start a fire, Aboriginal people traditionally used a tea tree bark torch. Contemporary fire management uses either a kerosene bark torch (the oil in the bark keeps torch alive) or a drip torch (hot fires).

The first fire burns a circle around Aboriginal people’s living area so they are safe.

Early dry-season, cool fires trickle through the landscape and burn only some of the fuel, creating a network, or mosaic, of burnt firebreaks. These stop the late dry-season, hot fires.

The canopy is sacred

A cool fire preserves the canopy of trees. This is very important for several reasons:

  • Protection and provision. The canopy provides shade, fruit flowers and seeds. It allows animals to come back quickly.
  • Carbon reduction. Unlike a cool burn, a canopy fire releases too much carbon. Local land managers can then sell carbon credits for the emissions avoided.
  • Fire refugee. When there’s a fire insects and other small animals crawl up the tree to safety.
  • Preserve tree cycle. With its canopy intact the tree does not miss its cyclic renewal.
  • Trigger for germination. The smoke from a cool burn goes through the canopy and triggers off a reaction for seeds up there to germinate.

No wonder that Aboriginal people consider the trees' canopy "sacred".

This is in stark contrast to how non-Aboriginal people understand fire. “Non-Indigenous mob, their fires are based on their money,” complains David Claudie.

Non-Aboriginal people, like pastoralists or officers in land management departments and other government bodies, are trying to learn how to manage fire correctly on their own, but the knowledge is right there under their nose, with Aboriginal people. All they need to do is ask for help. Some do.

The land has become sick and the land is pushing [pastoralists] to us [Aboriginal people].

— Victor Steffensen, Tagalaka man from North Queensland

Fire cannot be managed from the air alone, you need to have people on the ground.

The problem is not the fire, it’s people with no proper relationship with the land.

— David Claudie

Comparison: Cool vs hot burn

Hazard-reduction burns are deliberate, authorised fires to reduce fuel loads and threats to people and property from wildfires. They are also known as fuel reduction burns, prescribed, planned or controlled burns. These burns can often be much hotter than cool burns, with devastating consequences to the burnt areas.

Backburns are different – they are lit during an emergency to create a burnt buffer to stop an active bushfire and do not consider environmental impact.

Cool burnHot burn / hazard reduction burn
Objectivefuel reduction, weed control, healing country, cultural practices, access to countryfuel reduction
Sizesmall patcheslarge scale operations
Burn scheduledetermined by reading the land (e.g. tree species) and local knowledge from traditional custodians determined by computer modelling
Ignition pointchosen specifically so animals can escapechosen by topography, several points spread out (e.g. along lines or grids), often via helicopter drops (aerial ignition)
Burn speedslowfast
Temperaturelowvery high
Flame heightknee-highmore than 1.5 metres (the upper limit recommended for fuel-reduction burning )
Timingaccording to seasons and plant cyclesanytime, often not considering plant cycles
Extend of firecontrolledcontrolled, but sometimes escapes control
Flora impactlower bark of trees scorched, burns grasses and leaf litter and some shrubssignificant parts of the tree burnt, often including its crown; burns all vegetation; sometimes loss of some native plant species from the ecosystem
Animal impacttime to flee or burrowcan be fatal
Soil impactseeds, nutrients and roots intact, soil moisture increasedsoil is baked, seeds and nutrients destroyed
Burn frequencyseveral times a yearannually, every 7 years or not at all
Plants that regrownative grasses and herbsdominating ferns and trees
Fallen logsdon't burn, preserving animal habitatsburn to ashes
Fire stopsnaturally (self-extinguishes) or controlled stopat control (containment) lines (i.e. in a managed way)
Labour effortvery highhigh
Weather impactlight and patchy smokeheavy smoke, red or black sky, pyrocumulus (flammagenitus) clouds, lightening, ashy rains
Climate impactgreenhouse gasesheavy greenhouse gases
Property impactlittle to nonesevere loss of properties and infrastructure
Nature recoveryquicklymany years, sometimes decades

Research shows that hazard reduction burning is not an effective method to prevent subsequent bush fires.

Sick country needs fire to restore its health. One of the signs that country is sick is a heavy layer of leaf litter.

— Sue Stevens, Reduce Your Footprint
While a cool burn is usually about knee-high, hot burns are often higher than their prescribed height of 1.5 metres and can reach the tree crown.
Flame height of a cool burn vs. a hot burn. The prescribed flame height for hot burns is 1.5 metres, but sometimes these fires are much higher and occasionally reach the tree crown.

The "two toolbox" approach to fire management

Aboriginal Elder Terrah Guymala is a senior member of the Bordoh clan of the Warddeken people in remote west Arnhem Land and director of Warddeken Land Management.

He uses a "two toolbox" approach to manage fire: One virtual toolbox contains traditional knowledge and land management skills, the other Western knowledge like using helicopters and satellite imaging.

This combined knowledge lets the Warddecken people manage their country successfully.

Elsewhere the Commonwealth's Carbon Farming Initiative motivates Aboriginal people to restore traditional fire management practices on their homelands. They combine modern environmental and fire science with traditional "mosaic" burning practices.

People here see burning as like mowing the lawn. It's how they maintain and manage their land.

— Shaun Ansell, chief executive, Warddeken Land Management

Fighting carbon with fire in western Arnhem Land, NT

Watch a video by the United Nations University about how the "two toolbox" approach saves thousands of tonnes of carbon each year.

Fire, fauna and flora

The discussion around the sacred canopy of trees already indicated the intricate links between fire, animals and plants.

During a fire, bush turkeys hunt for bugs and insects at the fire line while hawks scour it for small animals.

Animals know how to protect themselves from fire: ants and snakes go deep down into their nests and burrows, kangaroos find safe spots on rocky outcrops.

Regular burning is also an effective weed control to introduced species like the African gamba grass which can increase fuel loads 10-fold.

After a fire, if it was cool, new grass is growing only weeks after a burn. It holds the soil together and provides a source of food for wombats, wallabies and native birds, and ample of hunting opportunities prior to invasion. Brolgas (Australian cranes) eat insects that have been burnt.

Wallaby, birds and other animals bathe in the cool ash to cleanse themselves, for example to get rid of lice. The black coals can also be used as medicine.

Do we burn too often, too much?

Fire management is not without its critics. It divides tourism operators, bushwalkers, environmentalists, ecologists and archaeologists.

Some believe that that too much land is burnt too often, and that fighting fire with fire worsens what it should protect: the loss of habitat, decline of species, erosion, flooding and the destruction of Aboriginal rock art. Bushwalking businesses are concerned to lead their customers "through ash" while environmentalists stress that "good" fire regimes should maximise the extent of unburnt areas.

Another point of conflict arises when landowners are paid to burn early in the season, called savanna carbon farming. The fire stimulates gras regrowth, so carbon dioxide emissions from the fire are not included in emission calculations because it is assumed that vegetation regrowth removes an equivalent amount from the atmosphere.

Farmers and landowners are reluctant to burn their land as kilometres of fences, often built using wooden posts, could catch fire. Their replacement can cost as much as a quarter million dollars.

While Aboriginal custodians managed for thousands of years to preserve Aboriginal rock art within areas which were regularly burnt, current fire practices ("hazard reduction burns") might no longer guarantee the same result. Archaeologists claim that aerial burning is responsible for fading and scorching art and destroying as much as 30% of it in the Kimberley.

'Controlled' is not a word you’d use to describe Australia’s 2020 bushfires, our wildfires. They howled and devoured like fiery beasts themselves, they incinerated and razed.

— Kim Scott, Noongar author

Passing on fire management knowledge

Aboriginal people understand that fire is part of the healing process of the land. Children as young as four learn how to lose their fear and manage fire.

Going back to their homelands, Aboriginal people want to heal the land from colonisation. Proper fire management is an essential part of this healing process. But it goes both ways – Aboriginal people who go out on country also reconnect with culture.

Elders share knowledge with younger generations of Aboriginal men who receive training from the Royal Fire Service. Cultural burning also complements the fire service’s hazard reduction burns in fire-prone areas.

As Aboriginal rangers increase their knowledge of how to manage fire, so rises their confidence and sense of identity. "Having the rangers here plays a big part in keeping identity alive and pride in what our people have," finds Aboriginal ranger Robin Dann.

Rangers burn vegetation to protect rainforest patches, rock art and traditional pathways. They track the progress of fires with online maps based on satellite images.

If we go by government plans, all of Australia will be burnt out and not just by fire.

— David Claudie

The remote Lake Tyers Aboriginal Trust Country Fire Authority (about 350 kms east of Melbourne) employs Australia's first all-Aboriginal, all-female fire brigade.

Homework: Fire management means respecting country

"This is like a garden for us. We need to look after it," says Terrah Guymala, director of Warddeken Land Management.

Here's a challenge: On your way to school, study or work, notice how people have interacted with the land.

  • Where can you see respectful treatment of the land? Where are examples of ignorance, disrespect and abuse?
  • What would these people need to change to be more caring?
  • Use your mobile phone's camera to document examples. What can you do next?

Homework: The forward-thinking insurance company

As a result of devastating bush fires many Australians discovered that they could no longer afford insurance because companies would either reject them or charge astronomical contributions.

But imaginary insurance BurnWell has a different approach. It offers clients standard charges if they agree to hire Aboriginal companies to preventatively and regularly burn Country around their business.

  • Write a letter to a client who is asking to be insured and explain this approach.
  • Draft another letter to a client who rejects to cooperate with an Aboriginal business. What arguments could convince them?

Did fire influence Australian trees?

For thousands of years, Aboriginal people have used fire to hunt and to manage the landscape. Some scientists have argued that when people first arrived in Australia about 45,000 years ago they set a large number of these fires, which reshaped the country's ecosystems. This theory has become an accepted idea.

A study from the University of Tasmania examined this theory by analysing the genetic fingerprints of a particular fire-sensitive tree found across the continent.

It found that fluctuations in populations of these trees across the continent since the arrival of people were driven primarily by climate, not fire. Aboriginal use of fire seems not have caused a major restructuring of vegetation across the continent.

"The effect of Aboriginal landscape burning is a lot more subtle. It's still important, but it's subtle and it's region-specific," the researchers concluded.


NSW Rural Fire Service Crews use burning Banksia cones to start fires for back burning.

Teaching resources

Cool Australia

Educational website has prepared lessons and supporting material like worksheets for primary and secondary students.

Lessons revolve around cool burning, fire management, benefits, climate change and the Fire Triangle model. A login is required to access the material.

Check out primary student and secondary student material.

Firesticks Alliance Indigenous Corporation

The Firesticks Alliance Indigenous Corporation is an Aboriginal-led network that aims to re-invigorate the use of cultural burning. It offers cultural learning pathways to fire and land management and is open for Aboriginal and non- Aboriginal people to look after country, share their experiences and collectively explore ways to achieve their goals.

Firesticks offers fire workshops and burning forums and demonstrations.

Koori Country Firesticks Aboriginal Corporation

The Koori Country Firesticks Aboriginal Corporation is a non-for-profit organisation that works to revive cultural burning as an alternative approach to hazard reduction burns. You can participate in workshops, demonstrations, camps or events.


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Cite this page

Korff, J 2022, Cool burns: Key to Aboriginal fire management, <>, retrieved 20 July 2024

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