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|metadata.revistascielo.dc.title:||Cost analysis and ecological benefits of environmental recovery methodologies in bauxite mining|
|metadata.revistascielo.dc.creator:||Guimarães, João Carlos Costa|
Barros, Dalmo Arantes de
Pereira, José Aldo Alves
Silva, Rossi Allan
Oliveira, Antonio Donizette de
Borges, Luís Antônio Coimbra
Análise de custo
|metadata.revistascielo.dc.publisher:||Universidade Federal de Lavras|
|metadata.revistascielo.dc.identifier.citation:||GUIMARÃES, J. C. C. et al. Cost analysis and ecological benefits of environmental recovery methodologies in bauxite mining. Cerne, Lavras, v. 19, n. 1, p. 9-17, Jan./Mar. 2013.|
|metadata.revistascielo.dc.description.resumo:||This work analyzed and compared three methods of environmental recovery in bauxite mining commonly used in Poços de Caldas Plateau, MG, by means of recovery costs and ecological benefits. Earnings and costs data of environmental recovery activities were obtained for the areas that belonged to the Companhia Geral de Minas – CGM, on properties sited in the city of Poços de Caldas, MG. The amount of costs of these activities was used to compare the recovery methods by updating them monetarily to a reference date, in other words, the present moment. It is concluded that the difference between the present value of costs for simple restoration and rehabilitation activities are less than 1% and that between the complete restoration and rehabilitation is about 15.12%, suggesting that the choice of the methods to be used must be based on the ecological earnings proportional to each of them. The methodology of environmental restoration of the mining areas emphasizes the ecological variables in the process of establishment of the community, to the detriment of complex ecological aspects, which show difficulties in measuring the actual moment of the development of the ecosystem considered.|
|Appears in Collections:||CERNE|
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