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Soil Degradation In South Africa Due To Coal:

Bacterial degradation of coal discard and geologically ...

Mar 17, 2020  The biodegradation of coal discard is being intensively studied in South Africa in an effort to develop passive methods for the successful revegetation and rehabilitation of waste dumps, to mitigate pollution, and facilitate mine closure. Bacteria were isolated from slurries of coal tailings and diesel-contaminated soil, screened for coal

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(PDF) Degradation of land due to coal mining and its ...

Degradation of land due to coal mining and its natural recovery pattern ... 8 The land-use problem associated with closed collieries of South Africa has been dealt with in the research paper ...

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Water pollution from acid drainage due to coal mining in ...

Aug 10, 2020  In South Africa, and particularly in the province of Mpumalanga, large-scale coal mining operations also have an increasing negative impact on the country’s water quality and availability. A Both End report (2016) explains that communities in Mpumalanga province, where the coal mining business is flourishing, struggle daily to get access to ...

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COAL MINING AND ENVIRONMENTAL CHALLENGES IN

Mpumalanga lies in eastern South Africa, bordering Swaziland and Mozambique. It constitutes 6.5% of South Africa's land area. Extensive mining is done and the minerals found include coal, gold, platinum group metals, silica, chromite etc. Mpumalanga is popular with

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Evaluating the impact of coal mining on A report by BFAP ...

The pilot area has approximately 5.3 % of South Africa’s total high potential arable land, making it one of the most productive regions in South Africa with respect to grain and oilseed production. The potential loss of maize production from current mining activities and activities in the near future, amounts to 284 844 tons per annum.

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Coal mining threatens people’s access to water in ...

Coal mining threatens . people’s access to water in Mpumalanga, South Africa. u. South Africa is one of the thirty driest countries in the world. This is due to its geographical location and low annual rainfall, however, large-scale mining . operations also have an increasing negative impact on the country’s water quality and availability.

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The impact of coal mining on the environment and community ...

The impact of coal mining on the environment and community quality of life: a case study investigation of the impacts and conflicts associated with coal mining in the Mpumalanga Province, South Africa. (Thesis). University of Cape Town ,Faculty of Engineering the Built Environment ,Department of Chemical Engineering.

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Monitoring soil erosion in South Africa at a regional scale

Soil erosion is a major soil degradation problem, confronting land and water resource management throughout South Africa. Soil erosion involves the loss of fertile topsoil and reduction of soil productivity, as well as serious off-site impacts related to increased mobilization of sediment and delivery to rivers.

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Effects of stockpiling on selected properties of opencast ...

Soil stockpiling is a necessary component of opencast coal mining and, because most of the soils involved have arable potential, this involves the possibility of serious soil degradation. A study at four mines on the Highveld of South Africa involved sampling a number of

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Soil Erosion in Africa - ThoughtCo

Jul 23, 2015  The Problem Today . Currently, 40% of soil in Africa is degraded. Degraded soil diminishes food production and leads to soil erosion, which in turn contributes to desertification.This is particularly worrisome since, according to the UN's Food and Agriculture Organization, some 83% of sub-Saharan African people depend on the land for their livelihood, and food production in Africa will

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GEOGRAPHY FORM SIX:SOIL DEGRADATION AND CONSERVATION

Jul 06, 2020  Soil Degradation Soil degradation is the deterioration (destruction) of the quality of the soil through the loss of fertile, pollution, and erosion and mass wasting. ... Unstable soil due to semi aridity. 2. ... Large seams of coal in South Africa give confidence of the continued coal mining in the country. This aspect has encouraged the ...

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Environmental issues in Africa - Wikipedia

Soil degradation The ... For example, in South Africa the mercury levels are severe due to coal combustion and gold mining. Mercury is absorbed from the air into the soil and water. The soil allows the crops to absorb the mercury, which humans ingest. Animals eat the grass which has absorbed the mercury and again humans may ingest these animals.

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Jaco-K Consulting – Environmental Management

The coal mining process is, however, associated with a multitude of adverse environmental impacts which plays a profound role in environmental degradation in South Africa - including but not limited to: Land degradation due to the disturbance of natural land profiles. Water pollution including Acid Mine Drainage (AMD) and post-closure decant.

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Conflict implications of coal mining and environmental ...

Coal burning from power stations for generating electricity is responsible for high levels of air pollution in South Africa (Department of Environmental Affairs and Tourism 2005) and has caused a great hazard to human health and the South African environment in

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In situ bioremediation of South African coal discard dumps

return mined land to a viable post-mining state that caters to alternative land use and mitigates any deleterious environmental impact (Limpitlaw et al. 2005; Limpitlaw Briel 2015). The conventional approaches to rehabilitation of opencast spoil and discard coal dumps in South Africa

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POTENTIAL OF REVEGETATION ON NON-TOP SOILED

land use that by virtue of implication has no or very little residual environmental risk (Cowan, 2016). From a sustainable development perspective and in accordance with legislation, Anglo Coal South Africa is duty bound to mitigate environmental land degradation brought about by its mining activities and this is referred to as rehabilitation.

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The Impact of the Quality of Coal Mine Stockpile Soils on ...

South Africa’s economy is highly fossil-fuel-dependent, with the main source of electricity being coal, accounting for about 91%. Apart from the heavy domestic reliance on coal as a source of energy, South Africa is a significant participant in global coal markets.

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Soil erosion in South Africa - its nature and distribution

South Africa has a higher soil loss rate than Australia, presumably due to extensive tillage-based cultivation and overgrazing. More than 60% of the country is currently under commercial and subsistence farming, while around 10% is under cultivation. Due to limited financial resources it will not be feasible to rehabilitate erosion features ...

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Degradation by coal mining should be priority in ...

Jul 01, 2017  In southern Santa Catarina state, Brazil, coal mining mostly took place from 1940 to 2000 (Citadini-Zanette, 1999).These activities resulted in a total of 6500 ha of severe degraded land in three watersheds (Araranguá River, Urussanga River and Tubarão River) (Brasil, 2015).Degradation conditions vary between sites but in general mean strong contamination of both physical (water and soil ...

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(PDF) The South African Soil Environment Shoana Leigh ...

Page 12 fFigure 5: The South African Drainage (SA DEA, 1999) Soil erosion is one of the major causes of land degradation, below are some of the various factors affecting land degradation. 1.2.3 Land Degradation Land Degradation can be defined as “when the economical and biological productivity of land is lost.” (Rosenberg, 2007).

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Causes and Impacts of Land Degradation and Desertification ...

Mar 02, 2013  scale in many parts of sub -Saharan Africa. 2.1. Land Degradation . Land degradation is, usually, the result of complex inter-relationships between biophysical and socio-economic issues which affect many people and their land, specially in the tropics and developing countries. The term land degradation involves both soil and vegetation degradation.

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5 possible solutions to soil degradation - Positive News ...

Feb 26, 2018  5. Leave land alone. Leaving more land alone, despite the challenges of a growing population, is another solution to soil degradation: it takes around 500 years for just 2.5cm of topsoil to be created. Taking land out of production would allow soil carbon to rebuild and become stable.

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Land Soil Degradation: Types, Causes, Effects ...

Sep 18, 2018  Land and soil are some of the most important resources to humans on Earth.. So, it’s important to learn about how they can be degraded (and conserved/protected). In this guide, we look at what land degradation is, the main types, the causes, the effects/impact, and the potential solutions to

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Structural and functional differentiation of bacterial ...

Feb 04, 2020  Soil microbial communities are suitable soil ecosystem health indicators due to their sensitivity to management practices and role in soil ecosystem processes. Presently, information on

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7 Ways Coal is Impacting Wildlife - Arcadia

Jul 17, 2017  Many will remember the 2008 TVA Kingston Fossil Plant coal ash spill in which 5.3 million cubic yards of coal ash spilled into the Emory and Clinch Rivers in Tennessee and covered about 300 acres of land, resulting in the nation’s largest coal-ash spill in history. Water pollution. Coal mining impacts aquatic wildlife in several ways.

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Status of Soil Pollution in Africa - SlideShare

Jun 25, 2018  Sources of Soil Pollution: South Africa • South Africa has a wide variety of soils, mainly due to its wide range of geological parent materials as well as the climatic range across the country. • In most of South Africa, the level of soil pollution is low, but there are exceptions, mainly associated with mining and other industrial ...

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THE ASSESSMENT OF TOPSOIL DEGRADATION ON

This study investigates coal discard cover soil fertility and its potential for degradation, particularly in terms of its salinisation and acidification potential. Seven rehabilitated coal discard dumps in the Witbank, Ermelo and Newcastle regions were used as study areas. All areas were rehabilitated with a cover soil layer, revegetated

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Environmental Issues and Mitigation in South Africa - Atha ...

May 02, 2017  Coal mining leads to the emission of dust, suspended particles and poisonous gas that causes air pollution. Surface water too gets contaminated due to the release of several harmful elements. Underground coal mining, in particular, leads to the degradation of soil fertility, deteriorating its quality and making it toxic.

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Environmental crisis in Mpumalanga: Why is nobody ...

In November 2011, WWF-SA released its Coal and Water Futures in South Africa report, detailing the rapid degradation of the critical Olifants river catchment as a result of coal mining. WWF warned that prospecting and mining rights for coal were "being issued in some of our most precious and sensitive catchments", and that "no government ...

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Geochemical Study of Weathered Coal, a Co-Substrate for ...

Coal mining creates large volumes of waste in the form of discard coal that is stockpiled. In South Africa, rehabilitation of coal discard dumps remains a challenge due to reliance on topsoil for establishment of vegetation.

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South Africa's coalfields a 2014 perspective

1 South Africa's coalfields – a 2014 perspective 1Hancox, P. John and 2,3Götz, Annette E. 1University of the Witwatersrand, School of Geosciences, Private Bag 3, 2050 Wits, South Africa; [email protected] 2University of Pretoria, Department of Geology, Private Bag X20, Hatfield, 0028 Pretoria, South Africa; [email protected] 3Kazan Federal University, 18 Kremlyovskaya St.,

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The impact of cattle grazing on a recently rehabilitated ...

Coal mining companies are making considerable efforts to rehabilitate the landscape after open cast mining, recreating natural contours, returning the top soil, sowing grasses and controlling erosion. The ultimate aim of these efforts is to return the land to a state where it can be used again, either for agriculture or grazing [1].

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Dryland Degradation in South Africa LCLUC

Dryland Degradation in South Africa. This link is no longer available. A replacement is being developed and will be available soon.

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The Economics of Land Degradation in Africa

Land Degradation in Africa eld-initiative. 2 Suggested citation: ELD Initiative UNEP (2015). The Economics of Land Degradation in Africa: Benefits of Action ... world’s arable farmland due to erosion, just as the number of people to be fed from it almost doubled.

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Land degradation – News, Research and Analysis – The ...

Aug 06, 2021  South Africa needs to wean itself off coal in a way that protects jobs and the environment. One third of the world’s land has been severely degraded from its

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Soil Degradation Causes, Effects, Preventive Methods ...

May 06, 2020  Soil degradation causes, effects, preventive methods. Soil degradation means the decline in soil quality which comes about due to aspects, for example, improper land use, agriculture, and pasture, urban and industrial purposes.It mainly involves the decline of the soil’s physical, biological, and chemical state.

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The Social and Environmental Consequences of Coal Mining ...

South African coal export and Dutch coal import Coal is exported from South Africa through the Richards Bay Coal Terminal (RBCT). The terminal was opened in April 1976, with an export capacity of 12 million tons of coal per year (12 Mt/a). Over the years, export capacity has grown to 76 Mt/a in 2008.

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Health and environmental impact of the coal industry ...

The health and environmental impact of the coal industry includes issues such as land use, waste management, water and air pollution, caused by the coal mining, processing and the use of its products.In addition to atmospheric pollution, coal burning produces hundreds of millions of tons of solid waste products annually, including fly ash, bottom ash, and flue-gas desulfurization sludge, that ...

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South Africa - Environmental Trends

South Africa Table of Contents. South Africa has a wealth of natural resources, but also some severe environmental problems. The mainstay of the economy, the mining industry, has introduced environmental concerns, and mineowners have taken some steps in recent years to minimize the damage from this enterprise (see Environmental Protection and Tourism, ch. 3).

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