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We found that sand mining presented a consistent, widespread disturbance in Dongting Lake. Porpoises strongly avoided mining sites, especially those of higher mining intensity. The extensive sand mining …
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The results indicated that sand mining causes 54.76% of the land degradation in South Africa. Furthermore, the research revealed that 30.95% of the land degradation was due to deforestation and 11.90% of Mentz land degradation was caused by overgrazing.
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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 significantly in recent years.. The Atlas provides a state wise area of degraded lands for the time frame 2018-19. It also …
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Land degradation is caused by multiple forces, including extreme weather conditions, particularly drought. It is also caused by human activities that pollute or degrade the quality of soils and land utility. It negatively affects food production, livelihoods, and the production and provision of other ecosystem goods and services.
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Sand mining should be done in a way that limits environmental damage during exploitation and restores the land after mining operations are completed. View Show abstract
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Introduction. Sand and gravel are used extensively in construction. In the preparation of concrete, for each tonne of cement, the building industry needs about six to seven times more tonnes of sand and gravel (USGS, 2013b). Thus, the world's use of aggregates for concrete can be estimated at 25.9 billion to 29.6 billion tonnes a year for 2012 alone.
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Site vegetation 2. PREVENTIVE AND MITIGATIVE MEASURES AGAINST LAND DEGRADATION 2.1. The Option to Stop Mining The mining activities have caused and continue to cause damage to the environment.
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Mining activities have been recognized as one of the major drivers of soil degradation across the globe (Acosta et al. 2011).Surface mining covers almost 1% of global land, causing drastic changes in the landscape and soil properties (Sigcha et al. 2018).The abandoned, damaged mining lands and their soils cannot be used without …
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The impact of mining activities on pollution of air, water, land, soil quality, vegetation including forest ecosystems, and on human health and habitation has become a matter of serious concern. Any deterioration in the physical, chemical, and biological quality of the environment affects human health and flora and fauna. The health problem of miners …
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Land 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.
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However, 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, …
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Sand Mining Activities in Africa. The United Nations Environment Programme (UNEP) defines sand mining as "the removal of sand from the environment to meet an increasing demand for sand for construction purposes, mainly for the production of concrete and asphalt". Sand mining has become a widespread and lucrative business …
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As global temperatures continue to increase and human activities continue to expand, many countries and regions are witnessing the consequences of global climate change. Mongolia, a nomadic and picturesque landlocked country, has battled with ongoing desertification, recurring droughts, and increasingly frequent sandstorms in recent …
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The multiple benefits of sustainable land management in the drylands The world's soils store more carbon than the planet's biomass and atmosphere combined. An increase of just 1% of the carbon stocks in the top metre of soils would be higher than the amount corresponding to the annual anthropogenic CO2 emissions from fossil fuel burning. …
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sea 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 ...
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The swift expansion of the human population has exerted immense pressure on land and soil resources, leading to land degradation and soil erosion. Globally, over 4.85 billion acres (1.96 billion hectares), accounting for about 17% of vegetated land, has been degraded to varying degrees due to human activities.
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Mining causes extreme forms of land degradation and creates new surfaces and new topography. In some instances, the pre-existing land use and ecosystem can be restored to the land after mining, but in many cases restoration requires the creation of new ecosystems because the substrate and landform are no longer suitable for the pre …
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Sand mining from coastal and marine areas is another source, although less preferred as it requires specialized equipment and the salt must be rinsed from the sand and gravel prior to use, thus increasing costs (Koehnken and Rintoul, 2018; Gronwald et al., 2020).This mass extraction has significant infrastructural impacts and social costs as it …
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Artisanal and small-scale mining (ASM) — mainly an informal form of mining (or informal mining) — is rapidly devastating large tracts of land in many countries. As a result, there is an increasing global concern over land and forest degradation resulting from ASM activities due to potential environmental health threat and risk of water and ...
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Against the backdrop of the studies summarized in the following section, our article provides the first economic analysis of sand mining, sand trade and suitable policies to mitigate the negative effects …
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sand mining, encompassing diverse aspects such as land degradation, habitat destruction, water pollution, and socio-economic repercussions. By examining the interplay of geological, hydrological, biological, and societal factors, this paper aims to provide a comprehensive overview of the challenges posed by sand mining and potential …
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Land degradation also has economic impacts on communities and imposes a huge cost on the global economy. According to the UNCCD, the global cost of land degradation is estimated at USD $490 billion annually [21]. This figure does not include the contribution of land degradation to the cost of natural
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Land degradation is local as well as a global issue that threatens the land productivity with water quality, human health, and ecosystems leads to the loss of biodiversity with climate change in the region (SAC Desertification Atlas report 2016).Land degradation led to desertification by declining the productivity of land so; desertification …
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While 3.2 billion people are directly affected by land degradation, especially smallholder farmers and rural communities, millions more are affected through food insecurity, higher food prices, …
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Land degradation and desertification are significant environmental challenges that affect many parts of the world, particularly in arid and semi-arid regions. ... and barite deposits are expected to sustain mining and the associated industrial activity in a very limited way. ... These persistent surface winds have carried the sand into the crop ...
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To meet the growing material demand for building construction and avoid environmental deterioration due to excessive sand mining, the UN Environment …
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Sand winning Land degradation Farm land Wa Ghana: Issue Date: 2013: Series/Report no.: Vol. 3;Issue 14: Abstract: The study investigated the effects of sand winning by combining qualitative methods and descriptive statistics. Key informant interviews, observation, photography plus questionnaire survey targeted 50 sand winners (drivers). …
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1 Land Degradation in Bhutan – An Overview TSHERING DORJI a, PHUNTSHO GYELTSHEN a, CHENCHO NORBU a & I. C. BAILLIE b aNational Soil Services Centre, Ministry of Agriculture, PO Box 907, Thimphu, Bhutan bNational Soil Resources Institute, Cranfield University, Silsoe, Bedfordshire MK45 4DT, UK. Correspondence: Tshering …
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As per United Nations Environmental Program (UNEP 1977a, b), about 39.7% of the world's land area (or 5172 million ha (Mha)) falls under dry lands and is susceptible to desertification.This excludes 978 Mha area which falls under 'hyper- arid'. Out of the total dryland area, arid land is about 26%, semi-arid 38% and dry subhumid …
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Tin mining from the upper land causes sand aggradation in the downstream area (Thorndycraft et al., 2004). Land rehabilitation has immense potential to save the Earth, with multiple carbon sequestration …
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Therefore, 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.
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Artisanal and Small-Scale Mining is an essential source of livelihood for many communities in the county of Migori yet many miners lack the skills, knowledge, and incentives to rehabilitate degraded lands. The informality of the ASM sector render it difficult for mine rehabilitation, closure or post-closure planning due to limited capital investment, lack of …
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sand mining, encompassing diverse aspects such as land degradation, habitat destruction, water pollution, and socio-economic repercussions. By examining the …
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1. Introduction. Mining has been and continues to be an essential economic component to satisfy people's demand and industrial development. However, mining activities have significant impact on the surrounding environment and ecosystem health as the land cover change by mining may cause land degradation, vegetation destruction, and …
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WEBThe unchecked mining activities degraded the land and polluted the waters, and increased adoption of technology caused a rapid destruction of the environment, …
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Land degradation is inevitably a universal problem despite the nature of its regional and local presence within the context of many countries across the globe. Surprisingly, the concept of land degradation is contentious despite the fact that degradation of land and soils is a severe threat to the provision of ecosystem services …
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Dam development, sand mining, and changes in land use are the main factors responsible for flow discharge and sediment morphodynamic alterations. …
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Land degradation is due to the activities of human hands which loses all the fertility and quality of soil. This is very dangerous to nature which causes further disasters. Causes of land degradation ... Afforestation and proper management of grazing land. Control on mining activities. Sheltering belts are planted for plants. Suggest ...
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Corresponding author: rizal.ichsan90@gmail Land Use and River Degradation Impact of Sand and Gravel Mining Putra Rizal Ichsan Syah1,*, Purnaweni, Hartuti1,2,3 1 Master Program of Environmental Science, School of Postgraduate Studies, Diponegoro University, Semarang - Indonesia 2 Doctorate Program of Environmental Science, …
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