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| Lake Pedder | |
|---|---|
| Name | Lake Pedder |
| Location | South West Tasmania, Australia |
| Type | Reservoir |
| Inflow | Gordon River, Serpentine River, Huon River |
| Outflow | Gordon River (modified) |
| Basin countries | Australia |
| Area | 242 km2 (approx.) |
| Created | 1972 (impoundment) |
| Islands | Bathurst Island (partially submerged) |
Lake Pedder Lake Pedder is an impounded reservoir in South West Tasmania formed by the construction of hydroelectric dams during the late 20th century. The reservoir altered the original glacial and dune-formed lake and adjacent wilderness, becoming a focal point for Tasmanian politics, environmental activism, and hydroelectric development. The transformation involved engineering projects tied to Australian energy policy and sparked enduring campaigns by conservationists, scientists, and cultural groups.
The impoundment project linked to Lake Pedder is associated with major Hydro Tasmania schemes and the broader development of the Tasmanian Hydro-Electric Commission infrastructure that includes the Gordon River Power Development and the King River Power Development. The controversy engages organizations such as the Tasmanian Wilderness Society, the Australian Conservation Foundation, and international bodies like IUCN and conservation networks tied to the World Heritage Convention. Prominent figures in the dispute included political leaders from the Australian Labor Party and the Liberal Party of Australia at state and federal levels, as well as activists who later influenced environmental law and public policy in Australia.
The reservoir occupies a valley in the South West National Park and the Franklin-Gordon Wild Rivers National Park region within the Tasmanian Wilderness World Heritage Area. The impounded waters are fed by tributaries originating in ranges such as the Franklin River, Serpentine River, and headwaters near the Western Arthurs. Hydrological management connects to the Gordon River, whose flow regime was altered by the construction of the Gordon Dam and the Serpentine Dam. The catchment links to the Huon River system and to glacial landforms studied by geologists from institutions like the University of Tasmania and the Australian National University. The reservoir’s shoreline and submerged features interact with topographical elements mapped by the Tasmanian Department of Primary Industries, Parks, Water and Environment and charted in cartography by the Hydrographical Surveyors tradition.
Prior to impoundment, the original lake and nearby landscapes were visited by explorers and surveyors including members of expeditions with ties to the Van Diemen's Land Company and 19th-century figures associated with early Tasmanian colonial exploration. Twentieth-century interest in hydroelectricity intensified with proposals by the Hydro-Electric Commission during premierships such as those held by politicians in the Franklin D. Roosevelt-era global context of large-scale public works (note: linked for historic development parallels). The late 1960s and early 1970s saw construction by contractors working under state procurement frameworks and funding mechanisms discussed in the Commonwealth of Australia fiscal relations. Major infrastructure works included the construction of the Gordon Dam, associated tunnelling and diversion works, and the flooding of adjacent plains and wetlands, executed during administrations that negotiated with industry partners and engineering firms with precedents in projects like the Snowy Mountains Scheme.
The flooding provoked campaigns by activists associated with the Tasmanian Wilderness Society, environmental lawyers trained at campuses such as the University of Melbourne and the Australian National University, and international conservationists connected to the IUCN and World Wildlife Fund. Protests and public inquiries involved demonstrations, petitions, and litigation that brought attention to environmental instruments including the EPBC Act lineage and precedents set by cases in the High Court of Australia. Scientific assessments by researchers at the CSIRO and academics from the University of Tasmania documented impacts on peatlands, riverine systems, and endemic species, informing debates in journals associated with the Australian Academy of Science. The controversy contributed to policy shifts that influenced later campaigns to protect the Franklin River and produced cultural works by filmmakers, photographers, and authors affiliated with institutions like the ABC (Australian Broadcasting Corporation) and publishers connected to environmental history.
The original lake and surrounding moorlands hosted endemic flora and fauna studied by botanists and zoologists from the Tasmanian Herbarium and the Tasmanian Museum and Art Gallery. Submerged habitats affected species linked to Gondwanan lineages that are of interest to researchers at the Australian Museum and the Royal Society of Tasmania. Notable taxa studied include species within families catalogued in collections at the Australian National Herbarium and shelved in conservation assessments coordinated with the IUCN Red List. Wetland ecology and peatland carbon dynamics have been the subject of research collaborations involving the University of Tasmania, Monash University, and international partners from institutions like the University of Oxford. Impacts on aquatic invertebrates, freshwater fish communities such as those monitored by the Inland Fisheries Service (Tasmania), and birdlife recorded by groups like the BirdLife Australia have been documented in long-term monitoring programs.
After impoundment, the reservoir and surrounding parks became destinations promoted by agencies such as the Parks and Wildlife Service (Tasmania) and regional tourism bodies including Tourism Tasmania. Recreational activities include boating, hiking on routes linked to the South Coast Track, and birdwatching connected to migratory lists maintained by BirdLife Australia. Access has been influenced by infrastructure maintained by the Department of State Growth (Tasmania) and by private tour operators often based in hubs such as Strahan, Tasmania and Hobart. Interpretive materials and visitor centres operated by the Parks and Wildlife Service (Tasmania) and collaborations with cultural institutions provide context about historical developments and conservation narratives.
The area holds cultural associations with Tasmanian Aboriginal groups whose connections to country feature in consultations with bodies such as the Tasmanian Aboriginal Centre and heritage registers administered through the Heritage Council of Tasmania. The flooding and campaigns generated artistic responses from writers, photographers, and musicians associated with the Tasmanian Society of Artists and the Australian literary scene, including contributions archived in institutions like the State Library of Tasmania. The contested legacy remains subject to heritage discourse in forums involving the Australian Heritage Council and academic research in environmental humanities at universities such as the University of Tasmania and the University of Melbourne.
Category:Reservoirs in Tasmania Category:Tasmanian Wilderness