Context Mitigating the impacts of mining on biodiversity and ecosystem services (ES) is critical for maintaining human wellbeing in mineral-rich landscapes. Environmental assessments and mitigation plans almost always consider impacts on biodiversity, yet few extend to the individual ES valued by local communities. As a result, …
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Australia. 213. 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 of alumina every year. Today, Kwinana employs about 1,000 people plus a significant ...
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Aug 22, 2023 – 5.40pm. Alumina Limited chief executive Mike Ferraro has welcomed further regulatory oversight of his bauxite mines in Western Australia but says the company can't tolerate the ...
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The jarrah forest is a highly valued resource for the people of Western Australia. It is renowned for its diverse flora, being one of the most plant-species-rich forests in the world outside of tropical rain forests. The program started with five-year improvement milestones. The first milestone was to achieve 80 per cent of forest-species richness.
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The first 2 years of post-burn vegetation succession of 11–13-year-old rehabilitated bauxite mines in Western Australia is compared to the native jarrah (Eucalyptus marginata) forest using the techniques of ordination (CANOCO TM) and classification (TWINSPAN TM).Analyses of understorey species density and cover …
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A cancer incidence and mortality study has been undertaken for a cohort of employees working in three bauxite mines and three alumina refineries in Western Australia. 23 This is the only cancer incidence and mortality study to date in bauxite mining and alumina refining. The most recent analysis of this ongoing study was undertaken with data to ...
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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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In the 1960s, bauxite mining cleared 440ha of publicly-owned land in the Northern Jarrah Forest, but between 2010 and 2019, the figure had surged to 10,420ha – a nearly 25-fold increase. The report warns that if the current trend of bauxite mining continues, it could eventually clear up to 83,000ha of forest and fragment another …
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Mining companies Alcoa and South32 have applied for approval to clear a further 11,109 hectares and fragment another 70,211 hectares. It is estimated that …
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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 …
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A range of reviews and technical reports have been presented in this volume that cover many components of the jarrah forest ecosystem and its restoration after bauxite mining in Western Australia. This synthesis reviews these papers and attempts to decide if the jarrah forest ecosystem has been restored.
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Resource figures are current as at 31 December 2016. Bauxite is a natural product of weathering and occurs as a white to grey to reddish orange-brown crust at or near the Earth's surface in regions that have, or have had in the past, high rainfall. Bauxite is generally hard, heterogeneous in appearance and can be nodular, layered or massive.
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A cancer incidence and mortality study has been undertaken for a cohort of employees working in three bauxite mines and three alumina refineries in Western Australia.23 This is the only cancer incidence and mortality study to date in bauxite mining and alumina refining. The most recent analysis of this ongoing study was …
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Ownership positions in seven mines globally, including the Huntly mine in Australia, the world's largest bauxite mine. Strategically located global network near key Atlantic and Pacific markets. Successful, science-based reforestation practices demonstrated in areas such as the Jarrah forest in Western Australia and the Amazon in Brazil.
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Here, we studied the changes in 23 properties of jarrah-forest soils restored after bauxite mining (1.5, 7, 22 years post-restoration) and their correlative effects on the growth of bossiaea, a ...
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bauxite mining and alumina refining operation in the South West of Western Australia with a proud track record spanning more than 35 years. The Worsley Mine Development is the next phase of bauxite mining near Boddington, providing access to future reserves and resources to sustain production at our Worsley Alumina refinery near Collie.
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US$1.1m. FY23 investment in local communities. Our operations. South32 owns 86 per cent of Worsley Alumina, with 10 per cent held by Japan Alumina Associates (Australia) Pty …
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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 …
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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. Bauxite is mined near the town of …
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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). …
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N2 - A range of reviews and technical reports have been presented in this volume that cover many components of the jarrah forest ecosystem and its restoration after bauxite mining in Western Australia. This synthesis reviews these papers and attempts to decide if the jarrah forest ecosystem has been restored.
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Alcoa World Alumina Australia (hereafter Alcoa) has been mining bauxite in the northern jarrah forest of south-west Western Australia since 1963, and restoring their mines since 1966 (Gardner 2001 ...
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The Western Australia study considered bauxite mines and used choice modeling as a survey method to estimate the nonmarket environmental value of the rehabilitation of their mines (Burton, Zahedi ...
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The role of terrestrial invertebrates in the restoration of Alcoa's bauxite mines in the Jarrah (Eucalyptus marginata) forest of Western Australia has been the subject of over 20 individual studies.
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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 …
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Alcoa, a global industry leader in bauxite, alumina and aluminium products says it has a vision to reinvent the aluminium industry for a sustainable future.The company was quick to express its satisfaction on seeing the Western Australia government approval of Alcoa's latest five-year mine plan – known as the 2023-2027 Mining and Management …
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The Australian bauxite mines are: Bauxite Hills Mine. Queensland. Metro Mining Ltd. Learn more. Boddington. Western Australia. South32. Learn more. Gove. Northern …
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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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The Southwest of Western Australia is one of the world's biodiversity hotspots. In the jarrah forest there are at least 300–400 plant species in vegetation that is typically mined and as many as 163 species per 0.1 ha. Hence, restoring the plant species to post‐mining areas is seen as a priority.
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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 …
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Fertiliser incorporation initiated greater plant growth than surface broadcasting. ... a range of fertiliser treatments on establishment of one-year-old jarrah forest in the process of being restored after bauxite mining in Western Australia. Specifically, we investigated whether fertiliser incorporation versus a top-dressed …
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As US mining giant Alcoa says it will close its refinery in Kwinana in Perth's south, an expert warns the hit to Western Australia's economy will run into the hundreds of millions of dollars.
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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 …
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In the jarrah forest there are at least 300–400 plant species in vegetation that is typically mined and as m... Restoring a Jarrah Forest Understorey Vegetation after …
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Peter de Kruijff. More land has been cleared for bauxite mining than by the timber industry in Western Australia's South West over the past decade, according to a new report from a coalition of ...
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In 1954 Australia mined little bauxite and did not produce alumina, but by the end of the 1970s Australian industry accounted for more than one third of the western world's bauxite production and ...
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fertiliser regime affect jarrah forest restoration after bauxite mining in Western Australia. 459 . ... forest soil restored after strip mining. Plant Soil 427, 105 ...
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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).
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In the 1960s, bauxite mining cleared 440ha of publicly-owned land in the Northern Jarrah Forest, but between 2010 and 2019, the figure had surged to 10,420ha – …
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Bauxite mining and the jarrah forest. Bauxite was first discovered by Government geologists in the Darling Range of Western Australia (WA) in 1902 (Simpson, 1951). Alcoa World Alumina Australia (Alcoa) entered into a mining lease with the state government in 1961 (Alumina Refinery Agreement Act, 1961) to
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