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| Dingo Fence | |
|---|---|
| Name | Dingo Fence |
| Location | South Australia, New South Wales, Queensland |
| Length | "Approx. 5,614 km (historically variable)" |
| Established | "Late 19th century (phased)" |
| Purpose | "Predator exclusion; protection of livestock" |
Dingo Fence
The Dingo Fence is a contiguous pest-exclusion barrier in eastern and southern Australia, erected to reduce predation on sheep and other livestock by wild canids. It spans state boundaries across arid and semi-arid zones, traversing regions administered by authorities such as the South Australian Department for Environment and Water, the New South Wales Government, and the Queensland Government. The fence has been a focal point in debates involving pastoralists from the Gidgealpa Station era to modern enterprises like S. Kidman & Co., environmentalists associated with the Australian Conservation Foundation and researchers at institutions including the Australian National University.
The concept of predator exclusion predated federation and evolved amid 19th-century pastoral expansion involving settlers who established stations such as Anna Creek Station and Torrens Creek Station. Early initiatives linked to figures from colonial administrations in South Australia mirrored contemporaneous projects like the Rabbit-proof Fence in Western Australia. Legislative and administrative milestones involved colonial land management policies, with implementation interacting with enterprises such as Elders Limited and advocacy by bodies including the Graziers' Association of New South Wales. During World War II and the interwar period, construction and extension received technical input from engineering units influenced by methods used in projects overseen by the Commonwealth Scientific and Industrial Research Organisation and private contractors subcontracted by agencies such as the Department of Works and Railways.
The barrier comprises wire mesh and star pickets, with gates and cattle grids placed at strategic crossings near towns like Broken Hill, Cobar, and Cloncurry. Its route intersects bioregions recognized by the Australian Bureau of Agricultural and Resource Economics and Sciences and crosses ephemeral channels associated with drainage basins such as the Lake Eyre Basin and the Murray–Darling Basin. Structural components reference materials supplied historically through merchants in Adelaide and Townsville, and design standards have been discussed in the context of engineering departments at universities such as the University of Adelaide and the University of Queensland.
Construction techniques historically relied on labor drawn from station hands, itinerant workers, and contractors linked to firms like Perisher Blue (in a different infrastructure context) and rural suppliers. Ongoing maintenance involves state agencies and local shire councils including Outback Communities Authority regions and shires such as Bourke Shire, employing tractors, temporary fencing crews, and aerial surveillance provided by operators based in hubs like Moree and Charleville. Funding and logistic arrangements have involved intergovernmental agreements between the Government of South Australia, the Government of New South Wales, and the Government of Queensland, as well as contributions from pastoral companies and industry groups including the National Farmers' Federation.
Ecological consequences have been explored by researchers at the CSIRO and universities such as the University of Western Australia and the University of Sydney. The fence alters predator–prey dynamics, affecting populations of species including the red fox (where overlapping control measures exist), the feral cat, and native marsupials like the red kangaroo, common brushtail possum, and the bilby. Changes in herbivore pressure have cascading effects on vegetation communities across ecoregions mapped by the Atlas of Living Australia and affected habitats such as the Mulga and spinifex grasslands. Studies referencing the IUCN and national recovery plans examine impacts on threatened taxa including the numbat and habitat specialists in reserves like Munga-Thirri–Simpson Desert National Park.
The fence underpins sheep and cattle industries in pastoral zones linked to market supply chains terminating in export hubs such as Port Adelaide and Brisbane. Economic assessments by the Australian Bureau of Statistics and agribusiness analysts at groups like Meat & Livestock Australia quantify reduced stock losses and increased wool yields on properties guarded by the barrier. Historical ties link the fence to property consolidation patterns involving families and corporations exemplified by Kidman Holdings and the land tenure regimes administered by offices such as the Lands Title Office, South Australia.
The fence has been central to disputes involving Indigenous Traditional Owners associated with groups such as the Arabana people and the Barkindji people, heritage advocates, and conservation NGOs including The Wilderness Society. Political debates have engaged parliamentarians from parties like the Liberal Party of Australia, the National Party of Australia, and the Australian Labor Party. Media coverage from outlets including the ABC (Australian Broadcasting Corporation), The Sydney Morning Herald, and regional publications has amplified controversies over animal welfare, biosecurity, and land rights, intersecting with legal frameworks like the Native Title Act 1993 and environmental assessments under the Environment Protection and Biodiversity Conservation Act 1999.
Longitudinal monitoring programs involve collaborations between the CSIRO, state departments, and university research groups at institutions such as the University of Melbourne and James Cook University. Methods include camera-trapping networks, genetic studies published in journals like Biological Conservation and Ecography, and population modelling influenced by work at the National Centre for Epidemiology and Population Health. Citizen science initiatives coordinated through platforms like the Atlas of Living Australia and veterinary pathology support from laboratories affiliated with the Commonwealth Department of Health contribute data for adaptive management and policy reviews.
Category:Fences in Australia Category:Environment of Australia Category:Agriculture in Australia