jarrah forest mining

  • Home Save Our Jarrah

    The Northern Jarrah Forest is in imminent risk of losing important biodiversity, cultural and heritage values. Save Our Jarrah strives to protect a large section of the Northern Jarrah Forest near Jarrahdale, Western Australia for future generations. The natural, cultural

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  • Restoration Resource Center Australia: Returning the

    Primary Causes of Degradation Mining & Resource Extraction Degradation Description There are currently approximately 1.8 million ha of intact Jarrah forest in Western Australia, about 65% of the total compared to pre-European settlement. Currently, Alcoa mines

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  • Restoring jarrah forest in southwestern Australia after bauxite mining

    mining forest” (Ward et al. 1997). The jarrah forest of southwestern Australia is classified as open forest in the north and tall forest in the south (Dell and Havel 1989). The overstory is dominated by jarrah (30-40 m), the understory is composed of small trees (4-7

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  • Bauxite Mining in Jarrah Forests: A Note from Roger

    Jarrah forest soils are lateritic and contain bauxite. This is the ore from which alumina and ultimately aluminium is produced. In the 1960s, the State government issued leases for bauxite mining over 800,000 hectares of jarrah forest, and put in place State

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  • Bauxite Mining and Conservation of the Jarrah Forest in

    Forest Rehabilitation Case study: Rehabilitation after bauxite mining in the jarrah (Eucalyptus marginata) forest of south-western Australia. In Proceedings of the FAO: Bringing Back the Forests

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  • Rehabilitating mines to meet land use objectives: bauxite

    Alcoa's rehabilitation objective is to "return a self-sustaining jarrah forest ecosystem that fulfils all of the pre-mining land uses". The specific conservation goal is "to encourage floral, faunal and soil characteristics similar to those of the indigenous jarrah forest ecosystem" (Nichols et al.,1991).

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  • (PDF) Restoring Jarrah Forest after Bauxite Mining in

    Soil-P levels in restored jarrah forest, and other post-mining environments,have been shown previously to remain elevated for at least 20-years after fertiliser addition (Spain et al., 2006

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  • Jarrah Forest Restoration in Western Australia: Canopy and

    The restoration of the northern jarrah (Eucalyptus marginata) forest after bauxite mining is a major objective of Alcoa of Australia Limited. The typically variable and sometimes low emergence of broadcast seed of jarrah‐forest plant species may relate to microclimatic changes associated with mining

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  • State‐and‐Transition Successional Model for Bauxite

    John M. Koch, Restoring a Jarrah Forest Understorey Vegetation after Bauxite Mining in Western Australia, Restoration Ecology, 10.1111/j.1526-100X.2007.00290.x,

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  • Jarrah Forest Wikipedia

    Most of the Jarrah Forest has been cleared for agriculture, timber and mining, leading to the consequent degradation of flora and fauna species and ecosystems. This is further threatened by the replacement of native vegetation with exotic grasses and weeds, introduced grazing species and predators such as the fox ( Vulpes vulpes ).

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  • Rehabilitating mines to meet land use objectives: bauxite

    Alcoa's rehabilitation objective is to "return a self-sustaining jarrah forest ecosystem that fulfils all of the pre-mining land uses". The specific conservation goal is "to encourage floral, faunal and soil characteristics similar to those of the indigenous jarrah forest ecosystem" (Nichols et al.,1991).

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  • WA trails town Dwellingup takes on mining giant Alcoa

    Alcoa says less than 4 per cent of the jarrah forest in its mining lease has been cleared.(ABC Rural)Trail town fights back Dwellingup is situated among the jarrah forest and is fast positioning

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  • Bauxite Mining and Conservation of the Jarrah Forest in

    Forest Rehabilitation Case study: Rehabilitation after bauxite mining in the jarrah (Eucalyptus marginata) forest of south-western Australia. In Proceedings of the FAO: Bringing Back the Forests

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  • Restoring Botanical Richness after Bauxite Mining the

    Alcoa’s aim after bauxite mining is to re-establish all the pre-existing land uses of the forest to as similar as the original forest as possible. The jarrah forest is a

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  • Hydrological response to bauxite mining and

    1/8/2017· Mining for bauxite in the jarrah forest caused a peak response in catchment streamflow of 225 mm or 18% of rainfall before returning to pre-mine levels 11 years after mining commenced. Changes in streamflow were closely associated with an expansion and subsequent contraction of the groundwater discharge area in the valley floor, which in turn was primarily driven by changes in LAI

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  • Australian Centre for Geomechanics Conference Paper:

    In this paper, we explored the effects of P-fertilizer on the diversity of the jarrah forest that is restored after bauxite mining. We assessed the restored jarrah forest 13 years after its establishment and compared it to nearby unmined jarrah forest.

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  • Restoring Jarrah Forest Trees after Bauxite Mining in

    Growth rates of Jarrah trees are high (1.5–2.7 m 2 ·ha −1 ·yr −1 basal area), similar to tree growth in unmined forest following clear‐fell operations. Jarrah responds to both N and P fertilizers when very young but the response to early N application is not significant after approximately one decade.

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  • Impact of Bauxite Mining on Forest Fire Management

    Mining involves the complete removal of the original jarrah forest, then carving off the topsoil which is stockpiled to one side, then the bauxite layer, 3-5 metres in depth is removed, the topsoil is replaced, fertiliser is added and the former mine pit is seeded with a

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  • Campaign to Save Native Forests Wikipedia

    mining in the jarrah forest, another group started as well—the South West Forests Defence Foundation. There was co-operation between the groups on some issues as well as joint publications. The CSNF subsequently campaigned in response to mining

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