4 resultados para BONITO

em Universidade Federal do Rio Grande do Norte(UFRN)


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The need for sustainability in the exploitation of natural resources in coastal areas has been out in recent years, as well as the social and cultural sustainability of traditional communities in these regions. Coastal and estuarine wild areas are influenced directly or indirectly by a set of human activities such as artisanal fishing. Therefore, there is a demand for an integrated design of these areas and according to the landing values, a pattern of unsustainable development of national marine fishing activity. The study was conducted in the coastal community of Praia da Pipa, Tibau do Sul municipality, RN, between june 2009 and june 2010 and aimed to characterize the fishery performed, its socio-economic strategies and fishing areas, as well as to identify ichthyofauna, to assess the sustainability of the major resources and to identify cultural traits related to artisanal fisheries, their problems and prospects; linking tradition and the present fishing activity carried out in the community. For this study, a total of 67 structured interviews were collected, including qualitative and quantitative data. A total of 133 fish landings and direct observations were performed. Informants were identified according to one of the following categories: fishermen, vessel masters and members of the local population with offspring. Applications SPSS 10.0, Paint.Ink and Microsoft Office Excel 2007 were used for tabulation and analysis of results. Local fishermen are, on average, 25 years fishing, have 40 years old and the average monthly income is up to 03 minimum wages. The local fleet consists of 20 vessels, that uses different line sizes and types of networks, operating in 21 fishing grounds and showing a reduction in the vessel numbers by 66% in the last decade. We recorded 76 species of fish, captured by the local fleet and the top 5 were quantitatively analyzed serra spanish mackarel (Scomberomorus brasiliensis), little tunny (Euthynnus alleteratus), yellowtail snapper (Ocyurus chrysurus), red snapper (Lutjanus analis) and common snook (Centropomus undecimalis), accounting for 46,5% of production in the period. The capture of these species was composed mostly of adults. Data analysis showed a significant decrease of the local fishing activity over the last decade due to the weakness displayed by the political-social category, the devaluation of local knowledge and the emergence of new sources of income through increased tourism. The characteristics of the fishing community suggest it to pass through significant changes as the appreciation of their cultural and traditional aspects. We identified a tendency to sustainability of main species caught, suggesting that public policies to be adopted locally comply with the current characteristics of fishing undertaken in the community and knowledge of fishermen related to the environment, allowing environmental, as well as social and cultural sustainability of the community involved.

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Tailings dams are structures that aims to retain the solid waste and water from mining processes. Its analysis and planning begins with searching of location for deployment, step on which to bind all kinds of variables that directly or indirectly influence the work, such as geological, hydrological, tectonic, topographic, geotechnical, environmental, social characteristics, evaluation security risks, among others. Thus, this paper aims to present a study on the most appropriate and secure type of busbar to design a layout structure of iron ore tailings, taking into account all the above mentioned variables. The case study involves the assessment of sites for location of dams of tailings disposal beneficiation of iron mine to be built in Bonito, in the municipality of Jucurutu in Seridó Potiguar. For site selection among alternatives, various aspects of the current state of the art were considered, one that causes the least environmental impact, low cost investment, adding value to the product and especially the safety of the implanted structure mitigates the concern about induced earthquakes as a result of liquefaction wastes somatized by dams in the region, as the tilling of Mina Bonito is located practically in the hydraulic basin dam Armando Ribeiro in environmental protection (APA). The methodology compares induced by dams in the semiarid region with the characteristics of the waste disposal and sterile seismicity, taking into account the enhancement of liquefaction by the action of seismicity in the Mina Bonito region. With the fulcrum in the methodology, we indicated the best busbar type for disposal of tailings from iron ore or combination of them, to be designed and built in semiarid particularly for Mina Bonito. Also presents a number of possible uses for the tailings and in engineering activities, which may cause processing to the common good.

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Mining in Brazil has a key role in economic and social development, contributing directly to improve the lives of the population. However, the mining activity even if done responsibly and with a proper study of waste management to reduce the impact of its effects, may cause harmful damage to the environment. Other forms of pollution are also caused due to mining activity. The visual pollution caused by the waste storage at open sky, in addition to the noise pollution caused by the excessive noise of the machines both in the extraction of ore, as in processing. An alternative way to lessen the environmental impacts caused by mining is the use of waste in layers that will compose the pavements along the highways. Thus, this work sets out to give a proper disposal of the wastes from the processing of iron ore, resulting from the mining activity of the group of mining Mhag Services and Mining S/A, in the mine of Bonito, located in Jucurutu, a town in the state of Rio Grande do Norte. The residues of the iron ore were stabilized with a granular soil from the city of Macaiba, also in the state of Rio Grande do Norte, which is being used in the duplication of the BR-304 referring to the entitled passage of Reta Tabajara. The present work was developed in three stages, being the first one divided by the chemical and mineralogical tests, by the tests of physical characterization and by the tests of paving for the residues of the iron ore. The second stage corresponds to the same tests being performed for granular soil. The third stage includes the essays abovementioned for three different mixtures of iron ore waste and granular soil, being they: 15% of iron-ore waste and 85% of granular soil, 25% of iron-ore waste and 75% of granular soil, 50% of iron-ore waste and 50% of granular soil. The technical feasibility of using waste from the iron ore beneficiation was checked, compressed in the intermediate energy and modified for use in base layers, sub-base, reinforcement subgrade and subgrade. The incorporation of the residues originating from the improvement of the iron ore in highways will provide an alternative to the use of aggregate conventionally used in the paving, besides preserving the environment.

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Some of the current discussions in the teaching of Portuguese Language (LP) pertain to how the school should deal with the phenomenon of language variation in the classroom. In 2010, for example, an explosion of talk took over the academic corridors: a book, entitled "Por uma vida melhor", the collection "Viver, Aprender", published by the MEC (Ministry of Education and Culture) to students EJA (Youth and Adults) brought notions regarding linguistic variation, even in their first chapter. In it is clear the notion that it is possible to make use of structures as "pretty boy", instead of "pretty boys", depending on the context in which such use is insert. Therefore, the discussions focused around the notions of variety cultivated, standard and popular measuring them to the possibilities of linguistic appropriateness. The community was surprised by the defense of the "power" to use, since it would be the school space to teach a standard "default", and not the possibility of legitimate use of grammatical patterns that clashed with those recommended in traditional grammars. The television media has been responsible for a major blaze that MEC had endorsed the use in schools of a book that legitimized such linguistic patterns. The quarrel was released on Youtube and in that space, netizens expressed themselves for or against the proposal of LD often directing the discussion to questions of a purely political. We observed that, on one side, loomed arguments related to Sociolinguistics (BAGNO , 2002, 2003, 2007, 2009; BAGNO, M.; STUBBS, M., Gagne, G., 2006; Bortoni - RICARDO, S.M., 2008; Tarallo, F., 1982; U. Weinreich, MARVIN I. HERZOG, Labov, W., 1968, Labov 1972, etc.); another, arguments concentrated on defending the school is the area of language teaching standard, and not fit to bring certain discussions within an LD. It was from these words, that this research was born. Interested in the particular way that the community media, which seemed to have no training in linguistics, understand the concepts of right, wrong, appropriate and inappropriate, so intimate in academic circles. Our thoughts take as reference the theoretical studies on the question of sociolinguistic variation and education, official documents that guide the "work" with the Portuguese language in the classroom, like the NCP (National Curriculum) and Curriculum Proposal for Education Youth and Adult (PCEJA). In our analysis, we found that LD" For a better life "makes no apology for teaching the "error", but it raises discussions about the possibility of "change", linked to factors and different order. We realize how significant it is to observe how speakers of a language are positioned in relation to language teaching which they are not speakers and scholars. Our study showed that certain issues regarding the teaching of the Portuguese language, as is the case of linguistic variation, points are far from being resolved, either for linguists and/or grammarians, whether for language speakers.