Partnership area: 6.6 million ha / 66,000 km2
Location: 900km north-east of Perth, 500km south-east of Port Hedland
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The Birriliburu Indigenous Protected Area (IPA) in the Little Sandy and Gibson Deserts of Western Australia is roughly the size of Tasmania.
The Birriliburu Traditional Owners are the Martu people, whose traditional, ecological and cultural knowledge stretches back more than 25,000 years. They're determined to continue to protect and preserve the plants, animals and landscapes of the Western Desert region.
The Martu were granted native title to 136,000 square kilometres of their country in 2002 – the largest native title determination in Australian history at the time. The IPA was declared in April 2013. The Martu then established an Indigenous ranger program employing locals from Wiluna and surrounding areas.
The rangers lead a number of land management activities in the Birriliburu IPA, including reinstating traditional fire patterns, threatened species monitoring and baseline fauna surveys.
Bush Heritage has been proudly supporting the Birriliburu ranger team since 2013, using 'two-way' learning with both traditional skills and science, particularly with regards to fire ecology. The partnership has provided an opportunity for cross‑cultural exchange and better outcomes for the people and their land.
Our work together has seen Bush Heritage provide funds for equipment, project resourcing and ranger wages, and the continued support of our regional ecologist to work closely with the rangers.
Central Desert Land and Community are also key partners and are working with us on a science and monitoring program with a focus on fire management, feral animals, threatened species and bush tucker.
Embracing traditional knowledge
The Birriliburu IPA is astonishingly diverse, ranging from sand dunes and sandstone mountain ranges to salt lakes and claypans. It covers three bio‑geographic regions – the Little Sandy Desert, Gibson Desert and Gascoyne.
The area is home to many nationally significant species such as the Greater Bilby, Mulgara and Marsupial Mole to name just a few.
It's with great pride that Bush Heritage is able to play a part in maintaining Martu people’s connection to country, and that we can continue to share knowledge for the mutual benefit of Birriliburu and the plants and animals that call it home.
Birriliburu researchers, land managers and the Birriliburu rangers are bringing together science and traditional knowledge to establish a bush tucker database.
Our regional ecologist has been working closely with Martu rangers such as Rita Cutter and Lena Long, to document this knowledge for the first time; recording traditional and scientific names and uses for desert food and medicine plants unique to the region.
Every time we come out with different elders, we fill in some gaps because they remember different names. And that’s really important – to document that knowledge – to make sure it gets passed on.
In the south-western pocket of the Birriliburu IPA is Katjarra – a vast landscape and area of significant cultural and ecological value. The hard, red sands provide an ideal breeding habitat for the Greater Bilby (Macrotis lagotis), which digs burrows to keep its young safe from predators.
Bilby numbers have declined dramatically since European settlement and 10% of that decline has occurred in the past 12 years, with the current population estimated to be fewer than 10,000.
Katjarra represents one of the only remaining, confirmed Bilby populations in the south-western extent of their current range, so the Birriliburu rangers, Central Desert Land and Community staff and Bush Heritage scientists are working together to track and monitor the vulnerable species in order to help safeguard its survival.
The Birriliburu team are using fire management, informed by both traditional knowledge and modern ecological science, to protect areas with significant rock art sites and others that are habitat for the Greater Bilby. Fire scars are being mapped and management burns are being used to prevent wildfires.
Mapping of fire scars using satellite imagery enables us to build up an understanding of the fire history of priority areas. We're also now able to distinguish between fire scars that were created by ranger burns and wildfire. This mapping allows the rangers to demonstrate the difference they're making. Gradually, as we burn more areas and create a patchwork of spinifex ages, we expect to see a reduction in the areas that wildfires are taking out.