Why in News. Recently, a document published by ISRO (Indian Space Research Organisation) named Desertification and Land Degradation Atlas shows that Land Degradation and Desertification has increased …
WhatsApp: +86 18221755073Mining plays a central role in the global economy, making a substantial contribution to export earnings. Nevertheless, implementing sustainable mining practices that prioritise environmental responsibility during extraction remains a major challenge. In response, governments around the world have instituted policies, with the primary aim of promoting …
WhatsApp: +86 18221755073An expansion in natural resource extraction through open-pit mining activities leads to increasing land and tropical forest degradation. Proper science-based practices are needed as an effort to reclaim their function.
WhatsApp: +86 18221755073Mining is temporary land use. Mostly, the mine is closed when the resources are depleted. After its closure, there is a need for proper restoration and a sound land-use selection. Usually, in planning the selection process it is always important to consider two factors; the pre-mining land-use and the post-mined (current) land-use.
WhatsApp: +86 18221755073sand mining has on the environment is the degradation of land, as well as the conversion of areas that were formerly undeveloped or natural, to mines [2, 7, 8].
WhatsApp: +86 18221755073However, the impacts of sand and gravel mining could also cause disturbances to ecological balance, since it is closely related to land use change and river degradation, besides causing …
WhatsApp: +86 18221755073Mining is a vital activity for many economies, but it also has significant impacts on the environment. Land degradation, soil erosion, water pollution, and biodiversity loss are some of the common ...
WhatsApp: +86 18221755073Land degradation in Sri Lanka is primarily due to conversion of forests to other land use types and inappropriate use of lands. Nearly 70% of the land extent of Sri Lanka was covered with forest at the ... Update and operationalize legislations to control sand mining and to reduce land degradation due to gem mining.
WhatsApp: +86 18221755073Sand mining is reported to have destroyed the nesting habitat of the critically endangered gharial (Gavialis gangeticus) and displaced the Ganges River dolphin (Platanista gangetica) from …
WhatsApp: +86 18221755073sand mining, encompassing diverse aspects such as land degradation, habitat destruction, water pollution, and socio-economic repercussions. By examining the interplay of geological, …
WhatsApp: +86 18221755073These observations indicate predominant land degradation due to anthropogenic interferences and increase in mining areas due to changing policies and environmental clearance to newer mining blocks during the last decade. It can be said that increase in mining and habitation areas is directly proportional to the reduction in forest area and ...
WhatsApp: +86 18221755073When this happens, it causes increased erosion of the riverbed and -banks. Two main mechanisms intensify riverbed degradation: head cutting and 'hungry water'. ... Environmental effects of sand and gravel mining on land and soil in Luku, Minna, Niger State, North Central Nigeria. J.Geosci.Geomatics, 2 (2) (2014), pp. 42-49, 10.12691/jgg-2-2-1.
WhatsApp: +86 18221755073This review paper synthesizes the current understanding of the environmental effects of sand mining, encompassing diverse aspects such as land degradation, habitat destruction, water …
WhatsApp: +86 18221755073Sand mining which been a major contributor to economic growth and development has turned out to be a source of environmental degradation based on the fact that the renewal rate of sand is lower ...
WhatsApp: +86 18221755073sea water into the river, collapse of river bank, and loss of riparian land. Recognising the need for scientific assessments of the extent of environmental degradation caused by indiscriminate sand mining, an attempt has been made to study the environmental impacts of such sand mining in the Nilwala River basin of southern Sri Lanka and to ...
WhatsApp: +86 18221755073With unemployment rife, many Zimbabweans have found economic opportunities in sand mining. As a result, sand extraction is rapidly increasing across the country. It is estimated that Harare alone has lost over 721 hectares of land to sand mining, and more losses are expected (Nemukuyu and Maphosa, 2021).
WhatsApp: +86 18221755073Others are the construction of a sand budget that quantified the amount of sand that could be periodically removed without causing degradation in the study area, identifying the physio-geomorphic and socio-economic impacts of sand mining on the watershed and developing a strategic framework for the management of sand mining in the study area.
WhatsApp: +86 18221755073The manifestation of mining-induced land degradation and related-environmental impacts in rural areas of Zimbabwe. Zimbabwe has vast mineral deposits such as chrome and gold which are among the top extracted minerals that are causing substantial land degradation (Macheka et al., 2021; Meck et al., 2020).Sand mining is also among other anthropogenic …
WhatsApp: +86 18221755073Land Degradation is in turn defined as "reduction or loss of the biological or economic productivity and complexity of the land resulting from land uses or from processes arising from human activities and habitation patterns, such as soil erosion caused by wind and/or water, deterioration of the physical, chemical and biological or economic ...
WhatsApp: +86 18221755073Therefore, the review paper seeks to give a detailed review of t degradation of land due to illegal sand mining in South Africa's rural areas, as well as a lack of formalization in the industry, contribute to land degradation. The development of a passive regulatory agenda for sand mining makes enforcement tough and complex.
WhatsApp: +86 18221755073The causal analysis approach was applied to identify the primary causes of land degradation and implement accurate protective measures in an impaired land ecosystem. ... (algae–mosses), 188.97 kg/400 m 2 (sand grassland–willow), …
WhatsApp: +86 18221755073In 2015, the global objective to achieve land degradation neutrality (LDN) was incorporated into the 2030 Agenda for Sustainable Development as Sustainable Development Goal (SDG) target 15.3: By 2030, combat desertification, restore degraded land and soil, including land affected by desertification, drought and floods, and strive to achieve a ...
WhatsApp: +86 18221755073Illegal and indiscriminate sand mining will became threat to the worldwide environments. It leads to changes in river channel form, physical habitats and food webs. It also increases the …
WhatsApp: +86 18221755073However, the increased clay/sand mining activities over the years have become a threat to the forest areas, which is gradually disappearing from human induced activities resulting to land degradation that leads to limited forest availability, fragmentation, and diminishing greenery, because mining requires the total deforestation of the soil to ...
WhatsApp: +86 18221755073Sand is the most used solid resource on earth, including to construct buildings and roads but also for glass, natural gas fracking, silicon chips, and even cosmetics (Beiser, 2018).As the mass of anthropogenic material is expected to surpass that of the natural biomass, this study primarily focuses on sand used in concrete production, where sand and gravel (collectively …
WhatsApp: +86 18221755073However, 84% agree that sand winning is a profitable business. Key words: sand winning, land degradation, farm land, Wa, Ghana 1. Introduction As a process of land degradation, sand winning destroys the soil profile, damages soil surface configuration and changes topography of the land (Mehta et al., 2007).
WhatsApp: +86 18221755073Similarly, three (3) distinct datasets and sources were used to determine the spatial extent of environmental degradation as a result of sand mining activities in Benin City. The first data set was the 19th January, 2019 satellite imagery of each of the mining sites. ... and examine socioeconomic factors that determined parting of land for sand ...
WhatsApp: +86 18221755073Soil fertility, which involves soil nutrients, soil texture, and other physical and chemical properties, provides the physical conditions and nutrients needed for plant growth and determines the selection and growth of surface vegetation to a large extent in degraded coal mining areas (Simmons et al., 2008, Liu, 2013, Dey et al., 2017).Soil N, P, and K are three …
WhatsApp: +86 18221755073These results indicated that land subsidence induced by coal mining caused losses in surface soil water and nutrients, and ultimately led to soil quality degradation. Therefore, the reclamation of mining subsidence land might be necessary, especially in arid and semi-arid areas.
WhatsApp: +86 18221755073However, sand and mining activities also raise various environmental issues both physical and social. Based on several environmental impacts caused by sand mining activities, this paper will focus on mining sustainable development, as well as environmental impacts of mining in terms of land use change and river degradation. 2. Method
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