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Journal articles on the topic "Rehabilitated mine"

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Paton, Colin J., Jeffrey F. Clewett, Alice R. Melland, Tom Newsome, Jochen Eberhard, John McL Bennett, and Craig P. Baillie. "Sustainability of beef production from brigalow lands after cultivation and mining. 1. Sown pasture growth and carrying capacity." Animal Production Science 61, no. 12 (2021): 1246. http://dx.doi.org/10.1071/an20135.

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Context New Acland coal mine in south-eastern Queensland is seeking to rehabilitate mined land to pastures that are safe, stable and sustainable for beef production. Little is known of the productivity and sustainability of grazing previously mined land in the Darling Downs study region. Additionally, information is required to specify management guidelines for sustainable grazing of regional land types retired from cultivation. Aims Identify pasture growth characteristics, rainfall use efficiencies and long-term carrying capacities of subtropical sown pastures established on lands rehabilitated after open-cut coal mining in comparison to sown pastures established on un-mined but previously cultivated lands. Methods Pasture growth and quality (% nitrogen) were observed using the Swiftsynd methodology in ungrazed exclosures with three sites on rehabilitated lands of the Acland Grazing Trial over a 5-year period (2014–2018), and 13 sites on unmined lands over periods of 2–5 years providing data for modelling pasture growth. Key results Peak pasture yield (TSDM for autumn harvests) averaged for 2017 and 2018 was greater (P < 0.1) on rehabilitated sites than unmined Poplar Box land type sites (5957 and 2233 kg/ha respectively) but similar to Brigalow Uplands and Mountain Coolibah land type sites (3946 and 3413 kg/ha respectively). Pasture rundown was evident, with pasture N uptake decreasing over 5 years at some sites. Soil mineral N supply (potentially mineralisable N and mineral N) in spring was a useful indicator of N uptake over the following growing season. Simulations using the GRASP pasture growth model for the grazing trial period predicted rainfall use efficiencies of 12.0, 7.0, 9.1 and 4.8 kg/ha.mm rainfall for rehabilitated sites and unmined sites on Brigalow Uplands, Mountain Coolibah and Poplar Box land types respectively. Long-term carrying capacities based on estimates of long-term median pasture growth and 30% utilisation were 4.39, 3.58 and 5.92 ha/adult equivalent respectively for the unmined land types, and 2.45 ha/adult equivalent for the rehabilitated lands. Conclusions Rehabilitated land can be as productive as unmined but previously cultivated land. Implications Grazing management plans for sustainable management of mined and unmined lands can be developed using data from the present study. The plans will assist with the transition of rehabilitated lands to commercial agriculture.
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Maboeta, M. S., O. G. Oladipo, and S. M. Botha. "Ecotoxicity of Mine Tailings: Unrehabilitated Versus Rehabilitated." Bulletin of Environmental Contamination and Toxicology 100, no. 5 (March 13, 2018): 702–7. http://dx.doi.org/10.1007/s00128-018-2322-8.

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East, T. J., C. J. Uren, B. N. Noller, R. F. Cull, P. M. Curley, and C. J. Unger. "Erosional stability of rehabilitated uranium mine structures incorporating natural landform characteristics, northern tropical Australia." Zeitschrift für Geomorphologie 38, no. 3 (September 29, 1994): 283–98. http://dx.doi.org/10.1127/zfg/38/1994/283.

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Egerton-Warburton, Louise M., and Brendon J. Griffin. "Differential responses of Pisolithus tinctorius isolates to aluminum in vitro." Canadian Journal of Botany 73, no. 8 (August 1, 1995): 1229–33. http://dx.doi.org/10.1139/b95-133.

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Isolates of Pisolithus tinctorius collected from old coal mining (pH 4.3, Al 327 mg/L, mine sites), rehabilitated (pH 4.9, Al 22 mg/L), and forest sites (pH 5.3, Al 6 mg/L) were grown in axenic culture with 0–2000 mg/L Al and assessed for aluminum tolerance by comparing the mass of mycelia produced and levels of Al, Ca, and Mg in mycelia as detected by energy-dispersive X-ray microanalysis. Mine-site isolates demonstrated mycelial growth to 2000 mg/L Al, a threshold of 90 mg/L Al before accumulation of Al in mycelia, and higher levels of Ca and Mg within the mycelia than either rehabilitated- or forest-site isolates at substrate concentrations greater than 4 mg/L Al. In contrast, mycelial growth ceased at 22 and 12 mg/L Al for rehabilitated- and forest-site isolates, respectively, and was strongly correlated with a high Al and low Ca and Mg content in the mycelia. These differences indicated that an increase in Al tolerance of mine-site isolates may operate through an increase in the presence of Ca and Mg in mycelia and a physiological tolerance to the metal. Key words: Pisolithus tinctorius, Al, Ca, Mg, axenic culture, energy-dispersive X-ray microanalysis.
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Hartzer, Suzette, and Willemien Du Plessis. "The Liability of Historical Mine Authorisation Holders for Rehabilitation of ‘Old Order Mine Dumps’." Southern African Public Law 29, no. 2 (December 18, 2017): 469–93. http://dx.doi.org/10.25159/2522-6800/3648.

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Mine dumps or tailings (i.e. ‘mine waste’) created by mining activities are some of the main environmental impacts of mining. Historically little or no regard was given to the environment while planning mine dumps, since planning was based on minimum cost, the availability of land and the safety of underground workings.Mine dumps continue to cause water and air pollution when abandoned without being rehabilitated. Abandoned mines and their dumps are common features of the South African landscape. Section 46 of the Mineral and Petroleum Resources Development Act 28 of 2002 (MPRDA) provides that the state is responsible to rehabilitate abandoned mines if the owner is deceased, cannot be traced, ceased to exist or has been liquidated. Rehabilitation of these mines has extensive financial consequences for the state and indirectly to the taxpayer.The aim of this article is to determine the responsibility of historical mining right holders for such rehabilitation. ‘Historic polluters’ refer to mining companies who caused pollution and environmental degradation due to mining activities before the Minerals Act came into force in 1991. Also to be addressed in this article is the question whether owners of tailings created through an authorisation issued in terms of the now repealed Minerals Act or prior legislation (old order dumps) would be able to escape their rehabilitation obligations or not. Reference will be made to the new proposed amendments to the MPRDA as well in addressing the question.
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Brown, G. M. C., and C. D. Grant. "Nutrient status of pasture ecosystems established on rehabilitated overburden and topsoil sites in the Hunter Valley, New South Wales." Soil Research 38, no. 2 (2000): 479. http://dx.doi.org/10.1071/sr99061.

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The rehabilitation of disturbed areas at the Howick Coal Mine (Hunter Valley, New South Wales) involves re-creating pasture ecosystems. Some sites are rehabilitated using topsoil, whereas others are established directly into the overburden mine waste due to the low availability and poor quality of topsoil. Pastures on both substrate types are then maintained by periodic applications of fertiliser. A comparison was made between nutrient levels held in the soil and the roots and stems of the dominant pasture grass (Rhodes grass, Chloris spp.) in an overburden (rehabilitated in 1990) and a topsoil site (rehabilitated in 1991). Sampling was conducted in autumn 1998 at 3 random locations along 3 replicate transects established on both substrates. Laboratory analyses were conducted to determine levels of N, P, S, Ca, K, Mg, and Na for both soil and plants samples; Mn, Fe, Zn, Cu, and Al for the plant samples only; and NO 3-N, PO 4-P, organic carbon, pH, and EC for the soil samples only. Multivariate analysis showed a distinct difference in the nutrient status of topsoil and overburden sites, across the 7 nutrients common to the roots, stems, and soil. The concentration of all macronutrients was significantly higher in the overburden compared with the topsoil sites. The majority of macronutrients were in greatest concentrations in the stems but the highest levels of micronutrients were found in the roots. There was a higher concentration of micronutrients in the overburden sites. Both of the rehabilitated sites had adequate macronutrient concentrations of S, Ca, Mg, and K. However, there were deficient concentrations of NO3-N in both the topsoil and overburden sites and a deficient concentration of PO4-P in the topsoil site. Long-term management options to improve the nutrient status of rehabilitated coal mines in the Hunter Valley include increased grazing, increasing fertiliser inputs, and burning the rehabilitated areas.
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Hancock, G. R., K. G. Evans, G. R. Willgoose, D. R. Moliere, M. J. Saynor, and R. J. Loch. "Medium-term erosion simulation of an abandoned mine site using the SIBERIA landscape evolution model." Soil Research 38, no. 2 (2000): 249. http://dx.doi.org/10.1071/sr99035.

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This study forms part of a collaborative project designed to validate the long-term erosion predictions of the SIBERIA landform evolution model on rehabilitated mine sites. The SIBERIA catchment evolution model can simulate the evolution of landforms resulting from runoff and erosion over many years. SIBERIA needs to be calibrated before evaluating whether it correctly models the observed evolution of rehabilitated mine landforms. A field study to collect data to calibrate SIBERIA was conducted at the abandoned Scinto 6 uranium mine located in the Kakadu Region, Northern Territory, Australia. The data were used to fit parameter values to a sediment loss model and a rainfall–runoff model. The derived runoff and erosion model parameter values were used in SIBERIA to simulate 50 years of erosion by concentrated flow on the batters of the abandoned site. The SIBERIA runs correctly simulated the geomorphic development of the gullies on the man-made batters of the waste rock dump. The observed gully position, depth, volume, and morphology on the waste rock dump were quantitatively compared with the SIBERIA simulations. The close similarities between the observed and simulated gully features indicate that SIBERIA can accurately predict the rate of gully development on a man-made post-mining landscape over periods of up to 50 years. SIBERIA is an appropriate model for assessment of erosional stability of rehabilitated mine sites over time spans of around 50 years.
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Todd, M. C. L., M. A. Adams, and P. F. Grierson. "Mineralisation of nitrogen in a chronosequence of rehabilitated bauxite mines." Soil Research 38, no. 2 (2000): 435. http://dx.doi.org/10.1071/sr99047.

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Mine site rehabilitation should aim to establish quickly and maintain the processes of nutrient cycling at rates comparable with, or approaching, those of native forests. Current management strategies for rehabilitating bauxite mines and other mine sites in Australia usually include planting fast-growing understorey species at high densities and applying fertiliser. We provide the first detailed study of nitrogen (N) availability and N transformations (mineralisation/immobilisation) in such rehabilitated mine sites. Mean concentrations of NO3– (0–5 cm) in a chronosequence (7, 13, 22, and 27 years old) of rehabilitated mine sites ranged from 0.5 to 1.3 kg/ha, and NH4+ from 4.0 to 9.5 kg/ha. In burnt and unburnt native jarrah (E. marginata Donn ex. Smith) forests adjacent to the mine site, mean NO3– concentrations in surface soil (0–5 cm) were 0.8 kg/ha (burnt) and 1.1 kg/ha (unburnt), and mean NH4+ concentrations were 6.8 kg/ha (burnt) and 7.8 kg/ha (unburnt). Concentration of NH4+ at 0–5 cm was strongly related to soil water content (R2 = 0.69, P < 0.05) in rehabilitation sites, but not at 5–10 cm depth. Rates of N mineralisation (0–5 cm) in rehabilitation sites ranged from 34 to 52 kg/ha.year, of the same order as rates in native forest soil. In all rehabilitation and native forest sites, rates of N mineralisation were significantly related to rates of N-uptake at both 0–5 and 5–10 cm depth (R2 > 0.63, P < 0.05). Soil C/N ratios (0–5 cm) in rehabilitation sites ranged from 22.4 to 38.8, and in native forests from 35.6 (burnt) to 40.3 (unburnt). Soil C/N ratios increased with depth in both rehabilitation and native forest sites (ranged from 31.2 to 51.6). Availability of water was the major determinant of nitrogen availability in this strongly Mediterranean climate.
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Wong, Leslie, Susanga Costa, Tanvirul Islam, Jon Missen, Nicole Anderson, Wing Kong Chiu, and Jayantha Kodikara. "Remote monitoring techniques for rehabilitated slope." E3S Web of Conferences 347 (2022): 03007. http://dx.doi.org/10.1051/e3sconf/202234703007.

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AGL Loy Yang has been intensively engaged and involved in research in the area of rehabilitated mining slopes. A proposal was raised to turn the Loy Yang mine pit into a lake after decommission (in three decades) to achieve safe and stable rehabilitation of the mines. The slope stability of these rehabilitated slopes is one of the major concerns. The slopes are hardly failed spontaneously. Instead, they usually provide indications of distress (cracks and erosion) over some time. Therefore, an ongoing monitoring system may provide valuable time to mitigate the progression of the failure. Distributed optical fibre sensing (DOFS) and unmanned aerial vehicle (UAV) are emerging new and innovative technologies for remote monitoring a large civil structure for early warnings, alerts and decision making. Both DOFS and UAV have been recently deployed at Loy Yang rehabilitated trial site. The preliminary results have demonstrated their reliability and practicality for these rehabilitated slope monitoring techniques. These remote sensing techniques are compared and discussed in terms of slope monitoring application.
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Lottermoser, B. G., P. M. Ashley, and M. T. Costelloe. "Contaminant dispersion at the rehabilitated Mary Kathleen uranium mine, Australia." Environmental Geology 48, no. 6 (July 27, 2005): 748–61. http://dx.doi.org/10.1007/s00254-005-0014-2.

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Dissertations / Theses on the topic "Rehabilitated mine"

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Mengler, Faron. "Gully erosion on rehabilitated bauxite mines." University of Western Australia. School of Earth and Geographical Sciences, 2008. http://theses.library.uwa.edu.au/adt-WU2008.0176.

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[Truncated abstract] Landforms rehabilitated after bauxite mining can be vulnerable to soil loss by water erosion processes. On most rehabilitated sites, management controls such as deep ripping, contour mounding and landscaped sub-catchments limit erosion. Despite these measures, severe gully erosion that is anecdotally associated with steep slopes can damage rehabilitated areas and affect downstream drinking water resources. A review of erosion dynamics reveals that gullies develop episodically and in a non-linear manner. They often initiated as a near surface process and are influenced by natural climatic drivers. Despite this, local site characteristics including soil and landform can predispose an area to gully erosion. Moreover, erosion models, becoming more-widely utilized within the mining industry, may provide useful tools with which to measure, analyse, and manage gully erosion. One of these models, SIBERIA was tested to determine its suitability for application a tool to help manage erosion risk. We first surveyed 26 eroding and erosion-prone rehabilitated hillslopes to determine the common form and setting for gully erosion on these rehabilitated bauxite mines. A conceptual model was developed to include and explore the interplay between the common causes of the gullies surveyed. The conceptual model accounts for slope steepness but suggests that additionally, certain triggers and threshold effects operating under different site conditions are as influential (or even more influential) than slope steepness as determinants of gully erosion occurrence and severity. ... Soil properties and soil erodibility had some subtle influence on landform stability and erosion risk. The most-erodible media occurred where either: mine floor material was mixed with topsoil/ overburden; and/or the topsoil/overburden layer was thin or its coverage is patchy resulting in slaking subsoil, hardsetting soil and surface crusts. When erodible surface media were combined with steeper (>8[degrees]) or longer (>50 m) slopes or with any major erosion trigger, rill and gully development was greatly intensified. The SIBERIA simulation model was calibrated and its simulated outputs were compared to known locations of gully erosion on a steep, rehabilitated pit from the Willowdale mine. At a resolution of one metre, SIBERIA was able to simulate the approximate dimensions of gullies. However, SIBERIA could not simulate the exact location of individual gully headcuts. Additionally, SIBERA was able to simulate the effect of different microtopographic surface treatments but this was only achieved by increasing the grid resolution to 25 cm and reducing the size of the area simulated due to model constraints. Locations of gully headcuts were overlain onto a grid-based, Digital Elevation Model (DEM) using a Geographic Information System (GIS). The spatial distribution of gully headcut locations was compared to DEM derivatives such as slope and flow accumulation. Positive, and predictive relationships allow between the steepness of the slope of the pre-mining landform and the cell count of the area contributing to flow (catchment), as determined by GIS, may allow a mine scale indication of erosion risk using simple GIS desktop analysis.
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Hardiputra, Bingah Astuti. "Properties of rehabilitated coalmine soils at Collie." University of Western Australia. Soil Science and Plant Nutrition Discipline Group, 2004. http://theses.library.uwa.edu.au/adt-WU2005.0041.

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[Truncated abstract] Many soil properties are involved in supporting the growth of plants and in limiting soil degradation. The present study was carried out to provide a basis for minimising environmental impact by providing a firm understanding of the soil properties that affect plant growth for soils developed from mining waste from the Wesfarmers Premier coalmine at Collie. The purpose of this study was to provide an understanding of the soil materials and to identify the potential interactions between soil properties and plants for soils developed on coalmine materials at the Premier mine, Collie. This research was to identify the nature of the manmade soils so as to determine if soil forming processes are active, to determine soil acidity including pH buffering capacity and the lime requirement of soils, to measure water retention characteristics and soil available water for plant growth, to relate soil properties to possible effects on plant growth, and to identify management strategies to improve soil conditions and overcome plant growth constraints. Seventy-seven manmade horizons from pits in 18 constructed soils, ranging from 9 to 21-years old, were analyzed throughout this study. These samples are classified based on soil depth, layer (topsoil and subsoil), and age of soil since rehabilitation. The methods for doing most of the analyses follow the Australian Soil and Land Survey handbook by Rayment and Higginson (1992). The results are presented quantitatively and soil properties are compared to provide information on pedogenic processes, the extent of soil development, the ability of the soils to resist degradation and to provide an indication of soil parent materials
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Allen, Tristan. "Susceptibility of rehabilitated mine batter surface to mass movement." Thesis, Federation University Australia, 2018. http://researchonline.federation.edu.au/vital/access/HandleResolver/1959.17/168528.

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The goal of the research is to quantify coal properties that may affect the processes and controls governing rehabilitated brown coal mine surface mass movements. The research investigates weathering of coal and assesses the difference in strength characteristics between fresh and weathered coal. In addition to quantifying the mechanical properties of coal surfaces in a rehabilitated slope, permeability changes due to weathering of coal are also investigated. Changes in coal strength influence sliding resistance. Changes in coal permeability impact pore pressures above the coal surface, which may also affect sliding resistance on the coal – cover interface. To assess these issues, direct and residual shear tests were used to investigate the changes in shear strength due to weathering at low normal stresses applicable to shallow cover materials. Testing was undertaken with abrasive surfaces to simulate sliding on the contact coal surface beneath cover materials assuming that the cover material is stronger than the coal. The roughness of the abrasive surface proved to be unimportant for large strain shear strength. The shear strength for coal with different weathering and normal effective stresses was examined. Coal cohesion was found to be low, but some rebinding of coal would occur with time. A coal residual friction angle of 39.1 and 37.0 degrees was found for the unsaturated and saturated tested coal respectively. Permeability tests using oxygenated water were undertaken to investigate changes to brown coal permeability as a result of weathering. Even with low levels of oxidation achievable with the permeability test apparatus, coal permeability dropped over time. While the magnitude of the reduction was not large for low oxidation magnitudes, the impact on permeability was demonstrated. A weathering index was developed as part of the study to provide a quantitative basis for assessing the weathered state of coal samples. The index employed changes to Fourier Transform Infrared Spectroscopy (FTIR) spectra to define the state of weathering. To assess the rate and magnitude of weathering of coal through oxidation an autoclave was used to artificially weather brown coal. Fourier Transform Infrared Spectroscopy and Gas Chromatography used to analyse the results. As for the permeability testing the autoclave experiments could not be run for sufficient time to progress to complete weathering by oxidation. Nevertheless the principles of the test and the equipment specifications were developed so that they could be used in future to complete the determination of weathering rates. The research has demonstrated the importance of understanding coal weathering at the upper boundary of a rehabilitated coal surface to the potential for cover mass movements due to sliding at the coal cover interface.
Masters by Research
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Morgenthal, Theunis Louis. "The assessment of topsoil degradation on rehabilitated coal discard dumps / Theunis Louis Morgenthal." Thesis, North-West University, 2003. http://hdl.handle.net/10394/112.

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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 and annually fertilised with nitrate fertilisers, super phosphate, kraal manure and lime. Performance guideline for pH of 5.5-(6.5 i0.5)-7.5 and electrical conductivity guideline of preferably less than 200 mS.rn-' but not higher than 400 mS.m-' were set based on literature information. Soil chemical data from a three-year fertilisation programme were used to assess the fertility of the cover soil surface (0-150mm). Data collected over a three year period as well as additional electrical conductivity and pH measurements from the cover soil surface, subsoil, cover soil/coal contact zone and underlying coal itself were used to assess the occurrence of salinisation and acidification of the cover soil. The soil fertility varied significantly among dumps as well as over the three years. Results indicated an increase in ammonium acetate extractable macro elements (calcium, magnesium and potassium). With the exception of manganese, no micro-element toxicities were recorded. Iron concentrations were slightly elevated in some of the sandy cover soil layers. No increase in soluble nitrogen (nitrate and ammonium) was found and most soluble nitrogen was in the form of nitrates. In general the Bray extractable phosphate increased during the study period. It can be predicted that with the following fertiliser programme increases of exchangeable macro-elements as well as available phosphorus can be expected. The study could not indicate an increase in adsorbed or available nitrogen. Organic carbon was initially not analysed therefore no comments can be made whether organic matter increased. Four of the seven dumps surveyed had comparably similar organic carbon levels to the background samples. Overall the fertiliser programme increased the electrical conductivity and decreased the acidity of the cover soil surface. Acidity and salinity was in general not a problem at the surface of the cover soil and pH was even slightly higher in cover soil samples. The acidity and especially salinity increased at the subsoil and so did the sulphate concentrations. Calcium and magnesium sulphate were predominantly responsible for higher electrical conductivity measurements. The percentage exchangeable sodium was also predominantly less than 2% indicating that sodicity is not currently a problem in cover soil. Soil fertility was satisfactory for vegetation growth and macroelement concentrations were in the correct ratio although calcium was slightly high. An elevated sulphate concentration, in comparison to the natural grassland soils, as well as a high salinity and high acidity in the subsoil layers indicate that salinisation and acidification could deteriorate without proper management. A slightly acidic cover soil can also be attributed partially to its natural acidic pH due to the wellweathered and leach property of burrow pit. Higher than recommended salinity levels were found in subsoil samples but the occurrence of acidification of the subsoil was more dump specific. In relation to acidity and salinity guidelines only the cover soil of one dump was concerning and the larger dumps subsoil acidity and salinity were elevated. The following management strategies are proposed: a) The acidification potential, and therefore the pyrite content of the coal discard must be considered during decisions making on the rehabilitation method (clay barriers), topsoil depth, maintenance and mine closure potential. b) The occasional monitoring of the subsoil's and coal contact acidity is recommended, although not much can be done to stop acidification after cover-soil placement. c) To ensure a more sustained from of nitrogen supplementation over the long term the use of selected legumes should be investigated. Research in Europe and Australia suggested that nitrogen fixation could contribute substantially to the nitrogen for plant uptake. d) The physical properties of the topsoil (bulk density 8 soil compaction) are also being neglected and needs to be assessed occasionally and interpreted together with chemical analyses. Observations in other studies indicate that this could be the most fundamental problem for vegetation growth and not necessarily soil fertility, since soil physical properties could have a major impact on root development. Key words: Coal discard, mine rehabilitation, soil fertility, topsoil degradation, salinisation, and acidification
Thesis (M. Environmental Management)--North-West University, Potchefstroom Campus, 2004.
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Hattingh, Raina. "Framework to guide mine-related land use planning towards optimisation of the coal mining rehabilitated landscape." Diss., University of Pretoria, 2018. http://hdl.handle.net/2263/65312.

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The post-mining land use optimisation framework developed as part of this research underpins the need for examining site-specific decisions within the regional land planning context as well as in relation to the social, economic, and political perspectives within the mine’s localised planning domain. It emphasizes that the spatial and temporal planning and implementation of rehabilitation and land use-related activities remain continually changing throughout the mining life cycle. This implies that amendments, refinements or corrective action should be an integral aspect of this planning, improving the trajectory towards success as new site knowledge and learnings becomes available. Rehabilitation activities should be implemented as soon as site disturbance (construction) starts and maintained throughout the operational and decommissioning periods. More importantly, these activities remain even more pertinent to the monitoring and maintenance period, during which successful implementation of the pre-defined land use/s can be demonstrated. Rehabilitation-, land use and mine closure plans are hence ‘living’, changing tools, aligned towards a common goal – defining a resilient post-mining landscape that will, ultimately, enable harnessing the altered landscapes’ new characteristics to optimise services to post-mining communities that either provides similar resourcing needs from the land, or alternative resources that contribute to the long-term viability of the area.
Dissertation (MSc) - University of Pretoria, 2018.
Coaltech Research Institute, Chamber of Mines
Chamber of Mines
Geography, Geoinformatics and Meteorology
MSc
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Janse, Van Rensburg Marjorie. "Nutritive value of tall fescue (Festuca arundinacea) established on rehabilitated mineland for grazing cattle." Diss., University of Pretoria, 2013. http://hdl.handle.net/2263/40338.

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Sustainable animal production on pasture planted on rehabilitated mine land will only be possible if the optimal stocking rate for animal and pasture production is determined. A grazing trial was conducted on tall fescue, established on rehabilitated mine land and irrigated with mine waste water. The aims of this study were to quantify: a) animal performance and nutritive value at different levels of nitrogen (N) fertilization during pasture establishment, and b) intake, animal performance (defined as average daily gain; ADG) and nutritive value when different stocking rates were applied. This study was done during two seasons: season one in winter (6 June -16 July 2008) and season two in spring (28 Aug – 6 Nov 2008). In terms of post mining land use this study supplied valuable information on potential livestock production. The higher level of N fertilization applied during the winter of 2007 at pasture establishment resulted in a significantly (P < 0.05) higher crude protein (CP) concentration a year later compared to the lower levels of N fertilization. During the winter grazing season the pasture contained an average of 83.4 g CP kg-1 dry matter (DM), 601.9 g NDF kg-1 DM, 6.2 g Ca kg-1 DM and 1.7 g P kg-1 DM, the average in vitro organic matter digestibility (IVOMD) was 642.2 g kg-1 OM and the average leaf: stem ratio was 88:12. The ADG of crossbred weaner calves grazing the low N fertilization (LN), low stocking rate (LS) paddock (229.1 g day-1) was significantly (P < 0.05) lower than the ADG of weaner calves grazing the LN, high stocking rate (HS) and the high N (HN), LS respectively. The ADG of the animals in the HN, LS paddock was 482.7 g day-1 and in the LN, HS paddock was 310.6 g day-1. The low ADG for the LS treatment was due to the low CP concentration of this paddock, with values as low as 55.1 g CP kg-1 DM recorded during the winter grazing period. Low pasture nutritive value during winter can potentially limit animal production.spring grazing season the pasture contained an average of 101.0 g CP kg-1 DM, 639.1 g NDF kg-1 DM, 8.9 g Ca kg-1 DM and 2.1 g P kg-1 DM. The average leaf: stem ratio was 85:15, IVOMD was 717.5 g kg-1 OM and effective DM degradability (in situ) was 56.1 %. The average OM digestibility estimated with the alkane method varied between 720.8 to 768.3 g kg-1 depending on the alkane used and weather a correction was made for the faecal recovery of the alkane used. On average the forage available in the paddock with the LS had a significantly (P < 0.05) higher CP concentration, leaf: stem ratio and IVOMD, with a significantly (P < 0.05) lower NDF concentration than the HS paddock. This is probably due to the fact that in the HS paddock forage with a high nutritive value was removed at a higher rate. Irrespective of the calculation used, digestibility calculated by the alkane method did not differ significantly (P > 0.05) between paddocks at any time period. The average intake in the paddock with medium grazing stocking rate (MS) was significantly (P < 0.05) higher than the average for the other paddocks. The paddock with the MS was managed to supply a pasture DM allowance of 2.5 % body weight (BW). The DM intake over the spring season was 2.2 % BW. The MS treatment supplied sufficient plant material without resulting in large accumulation of plant material. The ADG for the spring season was 110.5 g day-1 and averages for each paddock did not differ significantly (P > 0.05) from each other. During the
Dissertation (MSc Agric)--University of Pretoria, 2013.
gm2014
Animal and Wildlife Sciences
unrestricted
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Sanidad, Wilfredo B. "Comparative studies of the water use characteristics of native tree species growing on a rehabilitated mine site in the wet - dry sub - tropics of Queensland /." St. Lucia, Qld, 2001. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe17423.pdf.

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Davis, Christine. "The importance of dead jarrah (Eucalyptus marginata) stags as microhabitat for arboreal lizards (Cryptoblepharus plagiocephalus an Christinus marmoratus) in rehabilitated bauxite mine-pits and native jarrah forest of south-west Western Australia." Thesis, Davis, Christine (2006) The importance of dead jarrah (Eucalyptus marginata) stags as microhabitat for arboreal lizards (Cryptoblepharus plagiocephalus an Christinus marmoratus) in rehabilitated bauxite mine-pits and native jarrah forest of south-west Western Australia. Honours thesis, Murdoch University, 2006. https://researchrepository.murdoch.edu.au/id/eprint/32752/.

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The marbled gecko (Christinus mannoratus) and wall skink (Cryptoblepharus plagiocephalus) are two arboreal lizards known to use dead stags in the jarrah forest of south-western Australia. Both these species are abundant in un-mined jarrah forest. However, the marbled gecko and to a lesser extent the wall skink are failing to return to areas rehabilitated following mining by Alcoa World Alumina Australia. The reason for this is thought to be the absence of dead stags, as dead stags can provide an important habitat component to arboreal lizards as a foraging substrate to hunt insect prey and also a place in which to shelter (cracks and hollows). The present study examined the microhabitat available to arboreal lizards in rehabilitated mine-pits at Alcoa's Huntly mine-pit (~lOOkm SE of Perth) and in adjacent un-mined jarrah forest, as well as determining the size and senescence of trees used by the two study species. It was found that in un-mined jarrah forest live trees regardless of size (small or large) had significantly less bark than dead trees and that large dead trees had significantly more cracks compared with live trees (small and large) and small dead trees. In rehabilitated areas, trees had similar characteristics to trees of comparable size in the jarrah forest. It was concluded that the absence of large dead trees (the biggest source of cracks) in rehabilitated mine-pits could be preventing the return of the marbled gecko and wall skink to these areas. A trap was designed to specifically target the two study species, so it could be determined what size and senescence of jarrah tree in un-mined forest was most preferred by the wall skink and marbled gecko. Three experiments were conducted. The first experiment was an olfactory experiment wherein wall skinks significantly tongue-flicked towards crickets more than the other four baits tested (fruit flies, mealworms, cockroaches and peanut butter). No significant response was given for any of the five baits by the marbled gecko. As a result crickets were used as the bait. The second experiment examined the attractiveness of different visual and acoustic cues (live crickets, live mealworms, live fruit flies, live cockroaches, peanut butter, a flashing LED light and darkness/cover) using a Y-maze. The wall skink had a significant aversion to darkness/cover. The marbled gecko did not show a significant aversion or attraction to any of the seven stimuli tested. As a result the trap was made from aluminium fly-wire which allowed light through. The final experiment looked at what material was best to use for the drift-fence. It was found that damp-proof flashing with cooking oil applied was the best material to use as it was difficult to climb for both the marbled gecko and wall skink. Consequently flashing was used as the drift-fence material; however, oil was not applied as it became sticky when left in the sun. Because of low capture rates of the marbled gecko and wall skink, microhabitat requirements can only be inferred from apparent general trends. Arboreal lizards apparently preferred dead jarrah trees over live jarrah trees, as all reptile captures were on dead trees. However, no significant preference was shown for the size (small or large) of jarrah tree. Trees on which reptiles were caught were associated with high numbers of cracks (which can be used as shelter sites) low canopy cover (which increases insolation through the canopy for basking), and a greater number and volume of logs in close proximity (which can be used as foraging and basking sites). These findings suggest that these habitat components may be determining factors in the presence/absence of arboreal reptiles (including the wall skink and marbled gecko) in the jarrah forest. The present study also examined whether marbled geckos and wall skinks will re-colonised rehabilitated mine-pits where habitat has been provided by thinning using two different techniques, notching with herbicide injections (to produce dead standing stags) and cutting trees with a chainsaw (to produce small logs). The provision of habitat in the form of dead stags and logs apparently did not facilitate the re-colonisation of the two target species, since no reptiles were observed in any of the rehabilitated mine-pits. Reasons for this may be the lack of both dead stags and logs in the one rehabilitated site as arboreal reptiles were found using a combination of logs as well as dead stags in un-mined forest. Also the absence of larger dead stags and logs could also be limiting factors, since large, dead stags were the biggest source of cracks in the native jarrah forest and large logs found to be used by the wall skink for foraging sites. From the findings of this study it is recommended that large logs as well as large dead stags are transported into rehabilitated mine-pits. In addition, notching of trees is recommended to occur in stages over a period of time to produce dead stags of many sizes. These recommendations are likely to encourage the re-colonisation of the wall skink and marbled gecko. However, more research is required on the longevity of dead stags and the importance of logs to the two study species.
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Carswell, Leslie. "Fungi associated with plant deaths in rehabilitated bauxite mines." Thesis, Carswell, Leslie (1993) Fungi associated with plant deaths in rehabilitated bauxite mines. Honours thesis, Murdoch University, 1993. https://researchrepository.murdoch.edu.au/id/eprint/32821/.

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Alcoa of Australia is committed to reintroduce 80% of the jarrah forest plant. species back onto rehabilitated bauxite mines in south western Australia by 1997. It has been observed that plant deaths do occur on these mines. The aim of this project was to determine if plant pathogens were responsible for these deaths. Healthy, sick and dying plants were sampled over a 5 week period initiated in February 1993. The following isolates were obtained from 19 plant species: 25 Fusarium spp., 11 Botryosporium sp., 8 Bdtryosphaeria ribis, 5 Cytospora eucalypticola, 6 Phoma spp. isolates, 5 Gelasinospora spp., 4 Diaporthe sp., 4 Pestalotiopsis sp., 3 Phonzopsis spp., 1 Dichomera eucalypti, 1 Phytophthora sp., 1 Monochaetia sp. and 1 Botrytis cinerea isolate. Many other fungi were isolated but could not be identified. Not all isolates were tested in glasshouse or field pathogenicity trials. Two B. ribis isolates were lesion forming in glasshouse trials. Gelasinospora, C. eucalypticola, Botryosporium and D. eucalypti were not lesion forming but were reisolated from the wound tissue, indicating that these fungi had the potential to be pathogenic. Field trials initiated in June (winter) (duration of 3-6 weeks) showed 3 B. ribis, 1 C. eucalypticola, and 1 Phoma sp. isolates to be lesion forming. Many isolates were not lesion forming including B. ribis, C. eucalypticola, Diaporthe, Botryosporium, Phoma, Phomopsis, D. eucalypti, and Fusarium but were reisolated from wound tissue, indicating they have the potential to be pathogens. Environmental conditions were felt to be responsible for the lack of lesions in the plants and it was recommended that these pathogenicity tests be repeated in summer, when environmental conditions are likely to be conducive to disease.
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Madalane, Thembi. "The obligation to rehabilitate mining areas : post mining activities." Thesis, University of Limpopo (Turfloop Campus), 2012. http://hdl.handle.net/10386/905.

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Thesis (LLM) -- University of Limpopo, 2012
The study focuses on rehabilitation, since absence of proper rehabilitation process result in indelible damage to the environment. South Africa, like many other countries, is faced with many environmental problems caused by mining. These problems are particularly caused by, inter alia, abandoned mining areas without rehabilitation, inadequate environmental impact assessment after closure, inadequate financial provision for rehabilitation, and lack of monitoring and aftercare system after post mine closure. The study found that many Companies ignore laws governing prospecting, extraction and rehabilitation. The main purpose of this research is to investigate and recommend guidelines in the rehabilitation process so as to instil respect for the environment. The study therefore recommended strict legislation relating to environmental protection against mining.
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Books on the topic "Rehabilitated mine"

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Gardner, J. H. Phytophthora cinnamomi in operational and rehabilitated bauxite mine areas in south-western Australia. S.l: s.n, 1987.

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Woods, Peter H. Likely recharge to permanent groundwater beneath future rehabilitated landforms at Ranger Uranium Mine, Northern Australia. S.l: s.n, 1994.

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Koch, John M. Response of seeded eucalyptus and understory to broadcast nitrogen and phosphorus fertilizer on a rehabilitated bauxite mine. S.l: s.n, 1988.

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), San Francisco (Calif. Worth its weight in gold: Requests for proposals to lease, rehabilitate, develop, and operate the San Francisco old mint. [San Francisco, CA: The City, 2002.

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Koch, John M. The use of fire and soil scarification as a means of establishing jarrah (Eucalyptus marginata) seedlings under an existing eucalyptus stand in rehabilitated bauxite mines. S.l: s.n, 1992.

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Book chapters on the topic "Rehabilitated mine"

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Lottermoser, Bernd, and Paul Ashley. "Assessment of rehabilitated uranium mine sites, Australia." In Uranium, Mining and Hydrogeology, 335–40. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-87746-2_43.

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Murdoch, Dee, and Rajasekar Karunanithi. "Profitable Beef Cattle Production on Rehabilitated Mine Lands." In Spoil to Soil, 111–21. Taylor & Francis Group 6000 Broken Sound Parkway NW, Suite 300 Boca Raton, FL 33487-2742: CRC Press, 2017. http://dx.doi.org/10.1201/9781351247337-11.

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Banning, Natasha C., Briony M. Lalor, Andrew H. Grigg, Ian R. Phillips, Ian J. Colquhoun, Davey L. Jones, and Daniel V. Murphy. "Rehabilitated Mine-Site Management, Soil Health and Climate Change." In Soil Biology, 287–314. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-20256-8_13.

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Bollhöfer, A., P. Martin, B. Ryan, Kirrilly Pfitzner, A. Frostick, K. Evans, and D. Jones. "Radiological Assessment of the rehabilitated Nabarlek Uranium Mine, Northern Territory, Australia." In Uranium, Mining and Hydrogeology, 341–42. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-87746-2_44.

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Cuccovia, Alex, and Adrianne Kinnear. "Acarine (mite) communities colonizing rehabilitated bauxite mine pits in the jarrah forest of Western Australia." In The Other 99%: The Conservation and Biodiversity of Invertebrates, 54–59. P.O. Box 20, Mosman NSW 2088, Australia: Royal Zoological Society of New South Wales, 1999. http://dx.doi.org/10.7882/rzsnsw.1999.011.

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Wates, J. A., J. J. G. Vermaak, and N. Bezuidenhout. "Design of soil covers to reduce infiltration on rehabilitated opencast coal mines." In Geotechnics for Developing Africa, 109–19. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003211174-15.

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Tan-Tangbau, Stan BH, and Quyền Văn Minh. "Solo Recitals." In Playing Jazz in Socialist Vietnam, 111–31. University Press of Mississippi, 2021. http://dx.doi.org/10.14325/mississippi/9781496836335.003.0007.

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As Vietnam officially embarked on the road to reform in 1986, the music scene, as recounted by Minh in the previous chapter, had dramatically changed. Musicians were playing popular Vietnamese love songs for gigs and such opportunities were frequent and lucrative. The reforms rehabilitated the “freedom of creativity” for musicians and artists, even though the state was not yet willing to fully relinquish its control of what could be expressed in the arts. After his trip to East Berlin in 1987, Quyền Văn Minh was determined to showcase the saxophone and jazz as chính thống [proper mainstream] music. In two back-to-back concerts in 1988 and 1989, Minh performed jazz live in the public sphere
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Duttlinger, Carolin. "Presence of Mind." In Attention and Distraction in Modern German Literature, Thought, and Culture, 266—C8.P169. Oxford University PressOxford, 2022. http://dx.doi.org/10.1093/oso/9780192856302.003.0009.

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Abstract Walter Benjamin’s lifelong engagement with the interplay between attention and distraction included not only photography but also film as well as literature, visual art, and history. Indeed, his work represents one of the most complex and sustained engagements with the dynamics of attention and distraction in the twentieth century. The chapter puts this engagement into a wider context, starting with the attentional research published in the psychology journal edited by William Stern, the inventor of psychotechnics, who was also Benjamin’s cousin by marriage. Benjamin encountered this research, which emphasizes the constructive role of distraction in enhancing mental focus, while still at university; it underpins his own writings on this complex subject, where Benjamin engages with the dialectical nature of attention, which can arise out of or give way to contrasting states. Another formative influence is the work of his sister Dora Benjamin, whose mental health exhibition, which opened in Berlin-Kreuzberg in 1929, used new, experimental techniques to bait visitors’ attention and prevent passive consumption. Benjamin’s exhibition review praises these innovative strategies; he returns to this issue in his writings on modern culture and technology, particularly in his essay on ‘The Work of Art in the Age of its Technological Reproducibility’ (1935). Here, Benjamin rejects traditional contemplation and endorses distraction as the mindset most appropriate for the challenges of the modern age; the final part of the chapter, however, looks at his essays on literature and his historical writings, where contemplation is rehabilitated and discussed alongside Geistesgegenwart (presence of mind) as a vital tool of intellectual enquiry and critique.
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Park, Eugene Y. "Death and Resurrection, 1392–1450." In A Genealogy of Dissent, 9–47. Stanford University Press, 2018. http://dx.doi.org/10.11126/stanford/9781503602083.003.0002.

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Chapter 1 examines the early-Chosŏn period, when the new dynasty virtually exterminated the former royals, only to rehabilitate them. Rather than just recounting the oft-told story of the May 1394 massacre and the violent persecution thereafter until 1413, this chapter seeks to elucidate the Chosŏn state’s understanding of the royal Wangs as a target of persecution, the number of victims, the veracity of the claim that some surviving Wangs changed their surnames, and the rationale for officially rehabilitating the Wangs. For comparative perspective, the chapter also considers China’s Yuan-Ming, Japan’s Kamakura-Muromachi, and western Eurasia’s Byzantine-Ottoman transitions.
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Schilling, Derek. "Disease and Affect." In France in Flux, 35–62. Liverpool University Press, 2019. http://dx.doi.org/10.3828/liverpool/9781786941787.003.0003.

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Decades of plant closures in metropolitan France have created a heightened awareness of the disused quality of the country’s industrial landscape. Even as a burgeoning working-class heritage industry has attempted to rehabilitate some physical sites to educational or touristic ends, documentary filmmakers have turned to human communities that in the age of ‘délocalisation’ have been forcibly evicted from sites of productive labour. Drawing on the travelogue Et la vie (Denis Gheerbrant, 1991), the plant closure exposé Silence dans la vallée (Marcel Trillat, 2007) and the testimonial poetic meditation Le Chemin noir (Abdallah Badis, 2012), this chapter highlights a recurring documentary figure, namely the image of individual workers who explicate their present and past situation against the backdrop of blast furnaces, mine pits, slag heaps, or other disused industrial structures across the blighted regions of northern and north-eastern France. Filmed on the site of its expropriation, the labourer’s body becomes strongly performative, affirming the imperatives of collective working-class memory and lending layered meaning to otherwise mute landscapes. By re-presenting affect-laden speech and gesture, filmmakers negotiate oppositions between visibility and invisibility, technology and nature, nostalgia and futurity, so as to reassert documentary’s micropolitical purchase upon the real.
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Conference papers on the topic "Rehabilitated mine"

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Kotzé, H., Rob Hattingh, and Chris Ballot. "Economical Viability of Rehabilitated Sugarcane Agriculture." In Third International Seminar on Mine Closure. Australian Centre for Geomechanics, Perth, 2008. http://dx.doi.org/10.36487/acg_repo/852_66.

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Nair, Devika, Sean Bellairs, and Kennneth Evans. "An approach to simulate long-term erosion equilibrium of a rehabilitated mine landform." In Mine Closure 2022: 15th Conference on Mine Closure. Australian Centre for Geomechanics, Perth, 2022. http://dx.doi.org/10.36487/acg_repo/2215_78.

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Lin, Deborah, Paul Greenwood, and Mark Tibbett. "Soil carbon dynamics in a rehabilitated chronosequence determined by accelerated solvent extraction." In Fourth International Conference on Mine Closure. Australian Centre for Geomechanics, Perth, 2009. http://dx.doi.org/10.36487/acg_repo/908_9.

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Svobodova, Kamila. "Life post-closure: perception and use of rehabilitated mine sites by local communities." In 13th International Conference on Mine Closure. Australian Centre for Geomechanics, Perth, 2019. http://dx.doi.org/10.36487/acg_rep/1915_27_svobodova.

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Baumgartl, Thomas, J. Chan, F. Bucka, and E. Pihlap. "Soil organic carbon in rehabilitated coal mine soils as an indicator for soil health." In 14th International Conference on Mine Closure. QMC Group, Ulaanbaatar, 2021. http://dx.doi.org/10.36487/acg_repo/2152_121.

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Lowry, John, Tom Coulthard, Gregory Hancock, and David Jones. "Assessing soil erosion on a rehabilitated landform using the CAESAR landscape evolution model ©." In Sixth International Conference on Mine Closure. Australian Centre for Geomechanics, Perth, 2011. http://dx.doi.org/10.36487/acg_rep/1152_64_lowry.

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Paterson, D. G. "Mapping rehabilitated coal mine soils in South Africa using GPR." In 8th International Conference on Ground Penetrating Radar, edited by David A. Noon, Glen F. Stickley, and Dennis Longstaff. SPIE, 2000. http://dx.doi.org/10.1117/12.383580.

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Thompson, Graham, and Scott Thompson. "Small Vertebrate Colonisers of Mine Site Rehabilitated Waste Dumps in the Goldfields of Western Australia." In First International Seminar on Mine Closure. Australian Centre for Geomechanics, Perth, 2006. http://dx.doi.org/10.36487/acg_repo/605_24.

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Gwenzi, Willis, Erik Veneklaas, Ian Phillips, Tim Bleby, and Christoph Hinz. "Spatial distribution of fine roots on a rehabilitated bauxite residue disposal area in Western Australia." In Fourth International Conference on Mine Closure. Australian Centre for Geomechanics, Perth, 2009. http://dx.doi.org/10.36487/acg_repo/908_24.

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Spain, Alister, and Mark Tibbett. "Substrate conditions, root and arbuscular mycorrhizal colonisation of landforms rehabilitated after coal mining, sub-tropical Queensland." In Sixth International Conference on Mine Closure. Australian Centre for Geomechanics, Perth, 2011. http://dx.doi.org/10.36487/acg_rep/1152_22_spain.

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