Each mine spoil covers an area of approximately 2–2.5 sq. kms and contains a variety of waste rocks, ranging from small to large with a compact soil surface, the soil can be characterized to sandy loam (Bandyopadhyay et al., 2020, Khan et al., 2023). The study area exhibited a tropical type climate characterised by three distinct …
ادامه مطلبMine spoil quality index developed from physical, chemical, biological properties. ... there is scope for the restoration of mine spoil through reclamation after the completion of mining projects (Mukhopadhyay et al., 2013, Ram and Masto, 2010). Establishment of tree species on mine spoil helps in acceleration of soil-forming …
ادامه مطلبA 6-month incubation study was conducted on the effect of biochar amendment (2 and 3%, w/w) on mine spoil enzymatic activities (dehydrogenase, invertase, amylase and cellulase), respiration and coal mine spoil fertility. The study showed that biochar significantly improved dehydrogenase (83%) and cellulase activity (78%) at 3% …
ادامه مطلبRe-vegetation of mine spoil enhances carbon storage in both above-ground plant biomass and mine soil. The current study was conducted at the coalmine overburden dumps of Jharia Coalfield (India), with the aim to evaluate the effect of different tree species on the rhizosphere soil properties and to identify key rhizosphere soil indicators that …
ادامه مطلبGiven the different gap of knowledge mentioned above, our general objective was to compare the bio-physico-chemical properties of soils developed under natural conditions (without lignite) and those of soils developed from overburden spoil heap material from a lignite mine, in Mediterranean pedoclimatic conditions characterized by …
ادامه مطلبColliery spoil waste has been spread over many areas to backfill old quarries and opencast coal mining sites, and as base for railways and railway embankments. Colliery spoil was often used to make up ground levels for development, such …
ادامه مطلبSpoil rock mining began in this area in 1966 and is still continuing. The spoil heap is composed of Carboniferous rocks, primarily shale, sandstone, and their conglomerate (Prasad et al., 2018).More than 70% of the site is overgrown with vegetation due to reclamation measures, including fertilization with a layer of fertile soil or due to …
ادامه مطلبThe relationship between the size of the particle fractions of the soil substrate and the diversity of the spontaneously developing vegetation was investigated on coal mine spoil heaps in Upper Silesia (Southern Poland). The analyses were based on 2567 research plots of developed spontaneous vegetation and their associated soil …
ادامه مطلبThe impact of mine spoil on the landscape is significant, as excavated rock-debris is commonly disposed in heaps that blanket the original land surface. Spoil heaps destroy the original soil habitat releasing soil-bound carbon, which is difficult to re-estate when mining operations cease and restoration begins.
ادامه مطلبIn this study, we determined mine spoil bulk composition and elemental depletion via column leaching, applied models to leaching patterns, compared model …
ادامه مطلبThe large amount of spoil material produced during the mining process imposes a significant economic and environmental liability on lignite producers.
ادامه مطلبSoil collembolan communities have been already inventoried in coal mine spoil tips (Hutson, 1980, Moore and Luxton, 1986), as well as in other types of mining activities, such as reclaimed lignite strip-mining sites (Dunger et al., 2001; Dunger et al., 2004; Dunger and Voigtländer, 2005), but nothing is known in terms of trait responses to ...
ادامه مطلبCoal mine spoils are mineralogically and chemically similar to natural soils, as detailed below. Knowledge on the soil salinity is thus valuable for the understanding and …
ادامه مطلبTherefore, proper restoration of mine spoil is a significant approach to sequester large amount of atmospheric carbon to a stable state towards achieving UNSDGs. Formulation of research gap. Loss of biodiversity, climate change ... In China (RMS of Malan coal mine), Yan et al. ...
ادامه مطلبOpen cast coal mining causes complete loss of carbon sink due to the destruction of vegetation and soil structure. In order to offset the destruction and to …
ادامه مطلبUnder natural condition the dissolution of surrounding rocks and minerals (such as carbonates, sulfates, and oxides) counteracts the decreasing pH; however, if the mine spoils become depleted of carbonate rocks due to persistent pyrite oxidation, mine spoil loses its acid-neutralizing capacity (Lindsay et al., 2015).
ادامه مطلبity and enable the leaching of salts from the root zone (Belden et al. 1990). Although spoil-incorporated sawmill wastes resulted in ... mine spoil on peremdal grass cover (weraged over years, 19%1990), The data were analyzed using analysis of variance and mean Upton, Wyo. separation was accomplished using Least Significant Difference ...
ادامه مطلبAccretion of carbon (C) and nitrogen (N) content in reclaimed mine soil is a major objective to restore mine soil fertility. The present study investigated the impact of grass and legume seeding in fertility enhancement, nutrient accumulation, and accretion of C and N pool during the early stages of reclamation. Four land covers were …
ادامه مطلبLong-term (1996–2000) field trials using lignite fly ash (LFA) were conducted on lignite mine spoil at the Neyveli Lignite Corporation (NLC), India (Ram et al., 2006a).In these trials, a series of crops were grown, beginning and ending with rice.
ادامه مطلبAccretion of carbon (C) and nitrogen (N) content in reclaimed mine soil is a major objective to restore mine soil fertility. The present study investigated the impact of …
ادامه مطلبABSTRACT This paper presents data on the geotechnical characteristics of the overburden, or spoil, produced during open-cut mining operations in the Hunter Valley, specifically …
ادامه مطلبFreshwater communities of high conservation value can be supported by all main restoration approaches if heterogeneous habitats are created. A combination of technical reclamation with spontaneous succession seems to be the most efficient approach to maximise biodiversity in freshwater habitats at coal-mining spoil heaps.
ادامه مطلبThe large amount of spoil material produced during the mining process imposes a significant economic and environmental liability on lignite producers.
ادامه مطلبThe overburden dumps which are created during the process of mining are devoid of supportive and nutritive capacity for biomass development. Restoration of these overburden dumps requires the establishment of a self-sustaining soil–plant system, for which a restoration strategy is needed to accelerate the natural processes of ecosystem …
ادامه مطلبA combination of technical reclamation with spontaneous succession seems to be the most efficient approach to maximise biodiversity in freshwater habitats at coal-mining spoil heaps. Discover the ...
ادامه مطلبSurface coal mining activities completely destroy vegetation cover, soil and biodiversity. The aftermaths include huge coal mine spoil dumps, changed …
ادامه مطلبInuence of biochar in coal mine spoil enzymatic activi-ties has not been reported widely, and experiments are essential for designing practical applicability in eld scale for mine spoil quality and fertility enhancement. Thus, the inuence of biochar application on enzyme activity in coal mine spoil and its correlation with the soil organic matter
ادامه مطلبOver 1500 spoil tips are formed on the territory of the Donets Coal Basin, having a bulk volume of more than a thousand million m 3.The spoil tips occupy an area exceeding 8000 ha where the previously existed soils of steppes and farming lands are irretrievably annihilated.A coal-containing body of rock in spoil tips often heats up …
ادامه مطلبTwo pioneering studies on frogs at lignite coal spoil heaps (Doležalová et al., 2012; Vojar et al., 2016) revealed technically reclaimed (hereinafter referred to as artificial) pools as substantially less valued …
ادامه مطلبFor decades, application of biowastes for mine spoil rehabilitation has been well understood and reported (Bendfeldt et al., 2001, Gardner et al., 2010, Sopper, 1992, Stolt et al., 2001). Many field-scale studies have demonstrated the direct and indirect benefits of biowastes for enhancing the receiving spoil environment (Larney and …
ادامه مطلبThe role of plants and soil properties in the enzyme activities of substrates on hard coal mine spoil heaps Agnieszka Kompała-Bąba, Wojciech Bierza, Edyta Sierka, …
ادامه مطلبCoal mining generates waste, including overburden, which is discarded in spoil heaps. Acid mine drainage is the acidic metal-rich water resulting from the oxidation of sulfide …
ادامه مطلبHighlights • Blue Wildrye shoot and root growth was improved after lime treatment of spoil. • Miscanthus biochar had minimal impact on reducing extractable …
ادامه مطلبMine spoil remediation via biochar addition to immobilise potentially toxic elements and promote plant growth for phytostabilisation. ... Ag and Zn mining area; 5) Anglesey, North Wales, a former Cu mine (Cooper et al., 1989). Spoil material was collected by first scraping away the top few cm of surface material (as this had likely …
ادامه مطلبBiochar may be a tool for mine spoil remediation; however, its mechanisms for achieving this goal remain unclear. In this study, Miscanthus (Miscanthus giganteus) biochar was evaluated for its ability to reclaim acidic mine spoils (pH < 3) through reducing metal availability, improving soil microbial enzymatic activity, and initial growth of grass …
ادامه مطلبThe sequestered C in revegetated mine spoil can be equivalent to 253.96 t/ha capture of CO 2 from the atmosphere. This indicates that mine spoil can act as a significant sink for atmospheric CO 2 through revegetation development along with redevelopment of soil formation. In this way, C budget of the revegetated mine spoils of …
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