Indigenous fire management is experiencing a resurgence worldwide. Northern Australia is the world leader in Indigenous savanna burning, delivering social, cultural, environmental and economic benefits. In 2016, a greenhouse gas abatement fire program commenced in the savannas of south-eastern Arnhem Land in the Northern Territory, managed by the Indigenous Yugul Mangi rangers. We undertook participatory action research and semi-structured interviews with rangers and Elders during 2016 and 2019 to investigate Indigenous knowledge and obtain local feedback about fire management. Results indicated that Indigenous rangers effectively use cross-cultural science (including local and Traditional Ecological Knowledge alongside western science) to manage fire. Fire management is a key driver in the production of bush tucker (wild food) resources and impacts other cultural and ecological values. A need for increased education and awareness about Indigenous burning was consistently emphasized. To address this, the project participants developed the Yugul Mangi Faiya En Sisen Kelenda (Yugul Mangi Fire and Seasons Calendar) that drew on Indigenous knowledge of seasonal biocultural indicators to guide the rangers’ fire management planning. The calendar has potential for application in fire management planning, intergenerational transfer of Indigenous knowledge and locally driven adaptive fire management.

BackgroundPrehistoric human activities have contributed to the dispersal of many culturally important plants. The study of these traditional interactions can alter the way we perceive the natural distribution and dynamics of species and communities. Comprehensive research on native crops combining evolutionary and anthropological data is revealing how ancient human populations influenced their distribution. Although traditional diets also included a suite of non-cultivated plants that in some cases necessitated the development of culturally important technical advances such as the treatment of toxic seed, empirical evidence for their deliberate dispersal by prehistoric peoples remains limited. Here we integrate historic and biocultural research involving Aboriginal people, with chloroplast and nuclear genomic data to demonstrate Aboriginal-mediated dispersal of a non-cultivated rainforest tree.ResultsWe assembled new anthropological evidence of use and deliberate dispersal of Castanospermum australe (Fabaceae), a non-cultivated culturally important riparian tree that produces toxic but highly nutritious water-dispersed seed. We validated cultural evidence of recent human-mediated dispersal by revealing genomic homogeneity across extensively dissected habitat, multiple catchments and uneven topography in the southern range of this species. We excluded the potential contribution of other dispersal mechanisms based on the absence of suitable vectors and current distributional patterns at higher elevations and away from water courses, and by analyzing a comparative sample from northern Australia.ConclusionsInnovative studies integrating evolutionary and anthropological data will continue to reveal the unexpected impact that prehistoric people have had on current vegetation patterns. A better understanding of how traditional practices shaped species’ distribution and assembly will directly inform cultural heritage management strategies, challenge “natural” species distribution assumptions, and provide innovative baseline data for pro-active biodiversity management.

Indigenous knowledge emphasises the importance of cultural connections between humans and the biophysical world. In the face of threats to the maintenance and transfer of Indigenous knowledge, novel approaches such as seasonal calendars are emerging as tools to share knowledge and guide management of natural and cultural resources. The renewal of Indigenous cultural fire management in southeast Australia provided an opportunity to explore whether the co-production of a fire and seasons calendar, using Western and Indigenous knowledges, can support cultural fire management. We present a case study of cross-cultural collaboration between scientists and the Banbai Aboriginal rangers at Wattleridge Indigenous Protected Area, New South Wales. We reviewed literature from various disciplines (archaeological, ethnohistorical, Indigenous and ecological) and undertook participatory action research and interviews to collate relevant information. This was synthesised in Winba = Fire, the Banbai Fire and Seasons Calendar, which is used by the Banbai rangers to guide cultural burning, share cross-cultural knowledge and increase awareness of Indigenous cultural fire management. The process of co-producing knowledge, revitalising culture, caring for Country, working together and supporting self-determination is relevant for many Indigenous communities around the world.

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Contemporary Indigenous cultural fire management facilitates opportunities for Indigenous peoples to connect to and manage their Country, as well as providing scope for research. Right-way science is defined as collaborative process of bringing Indigenous and Western scientific knowledge and methods together to create ethical, productive and mutually beneficial research. Five key requirements of right-way science emerge from the literature, including: building relationships and trust; formal research approval processes; co-development of research; acknowledging challenges; and ethical, productive and mutually beneficial research. This article explores the question: how can right-way science enhance Indigenous cultural fire management? By reflecting on research collaborations between Western scientists and Indigenous ranger groups of New South Wales (Banbai) and the Northern Territory (Yugul Mangi), this paper, firstly, describes the methods we used to explore right-way science around cultural fire management. Secondly, it synthesises key findings of the research projects, including how we addressed the five key requirements of right-way science elicited from the literature. Thirdly, we provide insight on how right-way science can be applied more broadly to enhance Indigenous cultural fire management. We found that increasing opportunities for Indigenous peoples to care for their Country, supported by right-way science, places them in a unique position to contribute to solving some of the ongoing challenges and research questions associated with fire management. Western scientists have an important role to play, as supporters and followers of Indigenous research partners, and advocates of right-way science.

Indigenous cultural fire management is being recognised and revived across Australia, primarily in the centre and across the north. To explore the benefits of contemporary cultural fire management in southeast Australia and barriers to its revival, we undertook a systematic analysis of the literature. Seventy documented applications of cultural fire management projects were found with the potential for significant upscaling. Over the last decade, eight policies related to Indigenous fire management have been developed by state and territory governments in southeast Australia, with varying levels of implementation. Seventy-eight benefits and 22 barriers were identified in relation to cultural fire management. In the cases where cultural fire management has been successfully reinstated as an ongoing practice, Indigenous leadership, extraordinary relationships, strong agreements and transformational change were identified as drivers of success. For cultural fire management to grow, more funding, policy implementation, long-term commitment, Indigenous control and decision making, mentoring, training and research are required. Several areas of research could facilitate the expansion of cultural fire management and be applied in similar contexts globally, including Africa and the Americas. While Indigenous voices are increasingly represented in the literature, it is imperative that mutually beneficial and respectful partnerships are developed in the cross-cultural interface of landscape fire management.

Indigenous self-determination, land rights and caring for Country programs are enabling Indigenous peoples across the world to re-establish customary roles in biodiversity conservation and cultural fire management. In Australia, Indigenous-controlled lands form the majority of the protected area estate, harbour almost 60% of listed threatened species and maintain high levels of biodiversity. This study used cross-cultural (Indigenous and Western academic) methods to monitor the impact of Indigenous cultural burning v. wildfire on the threatened plant, Backwater grevillea (Grevillea scortechinii subsp. sarmentosa). Cultural burning resulted in lower mature grevillea mortality and less impact on reproductive output than wildfire. Both fires stimulated a mass germination but the cultural burn preserved a multi-aged population while the wildfire killed 99.6% of mature shrubs. Comparison of fuel load changes resulting from cultural burning, hazard reduction burning and wildfire indicated that fuel loads were reduced by all fire treatments, although the cultural burn was less severe than other fires. Our case study of the Backwater grevillea and its Banbai custodians provides an example where Indigenous rangers have adopted a plant into their cultural management framework. They are conserving this threatened species using culturally driven, holistic management that is locally focused and supported by cross-cultural knowledge.

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