Post-burn vegetation development of rehabilitated bauxite …
Alcoa World Alumina Australia has been rehabilitating bauxite mines in the jarrah (Eucalyptus marginata) forest of Western Australia for more than 35 years.Mines rehabilitated in the early 1980s contain some eastern Australian eucalypts and have built up substantial fuel loads (23–35 t/ha) that may be reduced through prescribed burning. The aim of this study was to …
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Alcoa starts job cuts at alumina refinery in Western Australia
The plant was the first of Alcoa's three Western Australia alumina refineries that's been in operation for about 60 years with the capacity to produce about 2.2 million metric tons of the raw ...
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Forest rehabilitation
to make it begins with mining bauxite, which occurs in certain locations globally including Western Australia's Northern Jarrah Forest. When our mining is complete, we embark on extensive +500 hectares forest rehabilitation. We only mine in areas that have been previously logged, and avoid old growth forest, national parks and areas of high
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Vegetation Succession After Bauxite Mining in Western Australia
Alcoa World Alumina Australia has been rehabilitating bauxite mines in the jarrah forest of Western Australia for more than 35 years. An experiment was established in 1988 using three different ...
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Australian Bauxite
These alumina refineries, in turn, supply alumina to the four Australian aluminium smelters. Australia is one of the world's largest producers of bauxite. In 2023, Australian bauxite production was 98.64 million tonnes (Mt). 41.23 Mt of bauxite was exported, and the remainder converted to Australian alumina.
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WORSLEY ALUMINA MINE DEVELOPMENT
bauxite mining and alumina refining operation in the South West of Western Australia. Bauxite is mined near the town of Boddington, 130 kilometres south east of Perth. The bauxite is transported to the Worsley Alumina Refinery near Collie via an overland conveyor system that stretches more than 50 kilometres.
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A Thousand Cuts
Produced by the Western Australian Forest Alliance (WAFA), the Wilderness Society and the Conservation Council of WA, the report outlines how continued clearing of Western Australia's South West forests is putting vulnerable species and plant life under 'unendurable strain', with concerns that the majority of forest between Collie and ...
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The where, when and what of phosphorus fertilisation for …
The jarrah (Eucalyptus marginata) forest in Western Australia has highly weathered, nutrient deficient soils.Post mining restoration in this, and other environments with nutrient deficit soils can result in soil phosphorus concentrations remaining elevated for 20 or more years after a single, initial fertiliser application (e.g. Banning et al., 2008; Spain et al., …
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Australia
In Western Australia, we extract bauxite at our Huntly and Willowdale mines and conduct world-class rehabilitation. The bauxite is transported to our three refineries at Kwinana, Pinjarra and …
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Mining and Refining – Australia
Alcoa's Kwinana alumina refinery is located 45 kilometres south of Perth, Western Australia. Opened in July 1963, the plant has been upgraded and improved over the years, and now has a production capacity of more than two million tonnes …
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Our locations
Worsley Alumina Western Australia. South32 owns 86 per cent of Worsley Alumina, with 10 per cent held by Japan Alumina Associates (Australia) Pty Ltd and the remaining 4 per cent held by Sojitz Alumina Pty Ltd. Operations began in 1984 and today, it is recognised as one of the largest alumina refineries in the world.
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Restoring jarrah forest in southwestern Australia after …
Restoring jarrah forest in southwestern Australia after bauxite mining Andy Seiser . Introduction . Alcoa of Australia Limited is the world's largest bauxite miner and alumina refiner. This company has mined bauxite in the jarrah forest in western Australia since 1963, and the first restorations were carried out in 1966 (Koch and Ward 1994).
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Alcoa Welcomes Decisions That Support Western Australian …
Alcoa Corporation (NYSE: AA) today welcomed decisions from the Western Australian (WA) Government that will allow the Company to continue bauxite mining and downstream alumina refining in the State, while also pledging to enhance the way it operates to meet evolving requirements and expectations. The government has announced that it will …
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The role of bauxite in Australia's geostrategic competitiveness
She cites Alcoa's curtailment of its Kwinana alumina refinery in Western Australia as a prime example of this vulnerability. In a letter to the government on 26 July, the AAC repeated its stance on the importance of bauxite mining in Australia's ability to vie for capital in a competitive global market.
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Vegetation Succession After Bauxite Mining in Western Australia
Introduction Alcoa World Alumina Australia (Alcoa) has carried out bauxite mining in Western Australia's Jarrah (Eucalyptus marginata) forest since 1963. The current objective of the rehabilitation is to establish a self-sustaining jarrah forest ecosystem, planned to enhance or maintain water, timber, recreation, and conservation values.
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Mining and Refining – Australia
Sustainable Bauxite Mining Guidelines (2018) - Indonesian. Completed Bioremoval Plant Kwinana; ... full scale plant utilising this technology has now been installed and commissioned at Alcoa's Kwinana refinery in Western …
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The where, when and what of phosphorus fertilisation for …
An operational scale assessment of the effects of a reduction in fertiliser application rates on plant species responses in jarrah forest restored after bauxite mining Alcoa of Australia Ltd; M.I. Daws et al. Nitrogen and phosphorus fertiliser regime affect jarrah forest restoration after bauxite mining in Western Australia
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Alcoa Australia
In 1957, one of Australia's most successful mining companies, WMC Limited, began exploring the bauxite in Western Australia's Darling Range. Within a year the deposits had been delineated and encouraging results prompted WMC to invite two other Australian mining companies, Broken Hill South Limited and North
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Mining giant Alcoa digging up its past to keep Pinjarra plant …
Aluminium giant Alcoa will reactivate a mine site unused since 2014 in a last-ditch bid to replace ore from a stalled transition project and keep the Pinjarra refinery filled.
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Post-burn vegetation development of rehabilitated bauxite …
Alcoa World Alumina Australia has been rehabilitating bauxite mines in the jarrah (Eucalyptus marginata) forest of Western Australia for more than 35 years.Mines rehabilitated in the early 1980s contain some eastern Australian eucalypts and have built up substantial fuel loads (23–35 t/ha) that may be reduced through prescribed burning.The aim of this study was to …
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Western Australian bauxite mining in the spotlight
The Conservation Council of Western Australia, the West Australian Forest Alliance, and the Wilderness Society together have made five recommendations which, if …
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Bauxite 101
A biodiversity-restoration project under way in Western Australia provides a leading example. The goal: to reestablish the equivalent level of plant species richness in rehabilitated areas equal to the un-mined Jarrah forest. (A Jarrah forest is tall open forest. Eucalyptus marginata is the dominant tree.) Les Baux, the Home of Bauxite
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The where, when and what of phosphorus fertilisation for …
The where, when and what of phosphorus fertilisation for seedling establishment in a biodiverse jarrah forest restoration after bauxite mining in Western Australia June 2020 Ecological Engineering ...
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Invertebrates and the restoration of a forest ecosystem: 30 …
Invertebrates and the restoration of a forest ecosystem: 30 years of research following bauxite mining in Western Australia
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Bauxite Mining Restoration by Alcoa World Alumina Australia in Western …
Alcoa World Alumina Australia mines bauxite under lease agreements with the Government of Western Australia. The leases lie in the Darling Range to the east of Perth, the capital and major population center.
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Restoration Following Bauxite Mining In Western …
forest after mining and re-establishing the high botanical diversity of the Jarrah forest (Ward et al. 1996). Regional Description . ALCOA of Australia mines bauxite from the Darling Range in south-western Australia in an area known as the Jarrah Forest. The Darling Range is a mountainous region characterized by a
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Bauxite Mining Western Australia
bauxite mining operations in western Australia, which are destroying the only Jarrah forest in the world and are threatening Perth's total supply of fresh drinking water. Alcoa of Australia Ltd., a subsidiary of the Aluminium Company of America, has very close links with Western Australia's Liberal government, headed by Sir Charles Court.
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Re-establishing the mid-storey tree Persoonia longifolia …
in restored forest following bauxite mining in southern Western Australia Received: 8 November 2015/ Accepted: 20 May 2016 The Ecological Society of Japan 2016 Abstract Persoonia longifolia is a common mid-storey species that is difficult to return to post-mining envi-ronments. This study aimed to quantify in situ emer-
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Restoring Jarrah Forest after Bauxite Mining in Western Australia …
Abstract: South-western Australia is well known for its diverse and mostly endemic flora that live on some of the most P-impoverished soils in the world. One of the challenges in the restoration of these ecosystems after mining is to establish colonizing species to facilitate vegetation succession, and to establish the dominant tree species, both without compromising the …
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Vegetation Succession After Bauxite Mining in Western Australia
Alcoa World Alumina Australia has been rehabilitating bauxite mines in the jarrah forest of Western Australia for more than 35 years. An experiment was established in 1988 using three different seed treatments (legume and small understorey mix, small understorey mix only, and no seed) and two fertilizer treatments (N and P, and P only). The objectives of this study were to …
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