269 resultados para urbanisation


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Este artigo tem como objetivo analisar as impressões e as interpretações de antigos taxistas a respeito das mudanças ocorridas na cidade de Belém no decorrer do século XX. Nesse contexto, os motoristas autônomos de Belém figuram como portadores de um conhecimento sobre a cidade baseado na prática do deslocamento, revelando uma memória coletiva ligada aos processos de urbanização e transformação do viver na capital paraense. Emerge, então, um imaginário construído a respeito da cidade de Belém no interior de uma categoria profissional específica, bem como representações, aspirações, devaneios e queixas comuns sobre o viver na cidade. Assim, os pontos de vista desses profissionais sobre Belém aparecem expressos em narrativas fantásticas em que os taxistas encontram visagens e assombrações durante sua jornada de trabalho.

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Este estudo tem por objetivo analisar a compreensão da dimensão ambiental no espaço urbano da Amazônia pelos assistentes sociais, inseridos nas principais intervenções urbanísticas do município de Belém, nas quais dentre elas há o Projeto Portal da Amazônia, Macrodrenagem da Estrada Nova e o Projeto de Urbanização da Vila da Barca. Para tanto, focamos nossas análises sobre o trabalho social dos projetos habitacionais e de urbanização, citados, que tem a educação ambiental como uma de suas ações de caráter socioeducativo, indicando qual seria a centralidade da discussão ambiental em tais iniciativas fomentadas pelo poder público, assim como a importância e compreensão do assistente social sobre esta demanda na região amazônica. Ao nos debruçarmos sobre este debate, realizamos uma pesquisa de caráter exploratório a partir de pesquisa bibliográfica e documental, observação de campo e entrevista semiestruturada com os assistentes sociais de instituições responsáveis pela promoção da política urbana no município de Belém-PA, no momento: Secretaria Municipal de Habitação (SEHAB), instituição responsável pela política urbana do município; Construtora UNI Engenharia, atualmente empresa responsável pela execução do trabalho técnico físico dos projetos de urbanização do município e a Construtora EFECCE, atual responsável pelos projetos técnicos sociais. Durante a pesquisa, constatamos que a educação ambiental é relegada ao segundo plano dentro de outras ações do trabalho social, em que a sua dimensão educativa se subsume e se espraia nos eixos de geração de renda e de educação patrimonial e sanitária, sendo a sua realização pontual, devido não só à lógica institucional de trabalho, mas também à insegurança de alguns profissionais do Serviço Social em lidar com a demanda ambiental, principalmente sobre Amazônia, em que os conteúdos da educação ambiental estão restritos às problemáticas do lixo, água e desmatamento, não ampliando a discussão aos direitos urbano-ambientais, estando a discussão ambiental esvaziada de seus conteúdos sociais, políticos e econômicos, sendo mais um espaço de controle, domesticação e inculcação dos valores hegemônicos.

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Estudos sobre a violência urbana vêm sendo realizados no Brasil buscando encontrar correlações e associações significativas entre taxas de homicídio e/ou tráfico de drogas e indicadores sociais ou econômicos. Esses estudos costumam utilizar como unidade de análise as divisões administrativas oficiais: regiões, estados, municípios e bairros. Entretanto, não tem sido tarefa simples o desafio de encontrar evidências empíricas a respeito da relação positiva entre fenômenos socioeconômicos e taxas de homicídio e/ou tráfico de drogas no nível intraurbano. Neste sentido este trabalho tem o objetivo de estudar as relações espaciais e multivariada dos crimes de tráfico de drogas e homicídio e a urbanizaçã do município de Belém-PA. Inicialmente aplicou-se a técnica estatística análise descritiva para evidenciar as taxas dos crimes de tráfico de drogas e homicídio nos bairros de Belém. Em seguida, aplicou-se a técnica estatística multivariada análise fatorial, o que permitiu estimar os escores fatoriais, a partir dos quais pôde-se construir o índice de qualidade de urbanização (IQU), baseado em indicadores socioeconômicos e ambientais da cidade de Belém, permitindo a classificação dos bairros em péssimo, ruim, regular, bom e ótimo, de acordo com os atributos de cada bairro. Em seguida, de posse do índice de urbanização e das taxas de tráfico de drogas e homicídio pôde-se submeter esses dados a técnica estatística multivariada análise de correspondência, cujo objetivo foi averiguar o nível de correlação (associação positiva ou negativa) entre essas variáveis. Dessa maneira, dentre os principais resultados pôde-se observar que bairros com baixa urbanização estão associados à moderada ou alta taxa de tráfico de drogas e alta taxa de homicádio. Bairros com alta urbanização estão associados à baixa taxa de tráfico de drogas e baixa taxa de homicídio. Assim como, bairros com baixa taxa de tráfico de drogas possuem baixa taxa de homicídio e bairros com alta taxa de tráfico de drogas possuem alta taxa de homicídio no município de Belém.

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O artigo aborda o mito de Édipo procurando inicialmente desvendar o código calêndrico — astronômico do mito. Uma segunda leitura realça o tipo psicológico de Édipo no retrato que dele faz Sófocles, retrato que parece corresponder ao espirito da nascente filosófica grega. Finalmente, retomando análises de Luc de Heusch, R. Cohen e Yamagushi, procura desvendar um código político, tentando acompanhar as transformações da organização política dentro do contexto histórico do surgimento da polis, seguindo a mesma linha de investigação de Jean-Pierre Vernant.

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Pós-graduação em Ciências Sociais - FCLAR

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This thesis aims at explaining the intersecting dynamics of structural changes in agriculture and urbanisation, which involves changes in urban-rural relationships. The research questions are: how and why do landowners differ in their attitudes to land and farming? what are the main implications on rural landscapes and the policy implications? Relationships between urbanisation and agriculture are firstly analysed through a critical literature review; the analysis focuses on the 'landowner' as the key actor who actively takes decisions on the rural landscape From the empirical study – which is based on a Tuscan area (Valdera), and addressed through qualitative methods – a great diversity of landowners' attitudes to land and farming emerge, thus contributing to the agricultural restructuring, such as: 1) the emphasis on recreational function of the countryside for urban people 2) contracting out of land management, especially when landowners live or/and have 'urban' employment 3) the active role of hobby farmers in land management 4) agricultural operations simplification and lack of investments (especially in case of property rights expropriation). The thesis is framed in three papers, with the same methods and research questions. It seems evident that rural landscapes is subjected to functional changes (e.g. residential) and structural changes (landscape polarisation), which requires the need 1) to consider that rural landscape management is increasingly less connected to agricultural production as economic activity; 2) to give a coherence to the range of policy interventions (physical planning, landscape, sectoral).

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La ricerca proposta si pone l’obiettivo di definire e sperimentare un metodo per un’articolata e sistematica lettura del territorio rurale, che, oltre ad ampliare la conoscenza del territorio, sia di supporto ai processi di pianificazione paesaggistici ed urbanistici e all’attuazione delle politiche agricole e di sviluppo rurale. Un’approfondita disamina dello stato dell’arte riguardante l’evoluzione del processo di urbanizzazione e le conseguenze dello stesso in Italia e in Europa, oltre che del quadro delle politiche territoriali locali nell’ambito del tema specifico dello spazio rurale e periurbano, hanno reso possibile, insieme a una dettagliata analisi delle principali metodologie di analisi territoriale presenti in letteratura, la determinazione del concept alla base della ricerca condotta. E’ stata sviluppata e testata una metodologia multicriteriale e multilivello per la lettura del territorio rurale sviluppata in ambiente GIS, che si avvale di algoritmi di clustering (quale l’algoritmo IsoCluster) e classificazione a massima verosimiglianza, focalizzando l’attenzione sugli spazi agricoli periurbani. Tale metodo si incentra sulla descrizione del territorio attraverso la lettura di diverse componenti dello stesso, quali quelle agro-ambientali e socio-economiche, ed opera una sintesi avvalendosi di una chiave interpretativa messa a punto allo scopo, l’Impronta Agroambientale (Agro-environmental Footprint - AEF), che si propone di quantificare il potenziale impatto degli spazi rurali sul sistema urbano. In particolare obiettivo di tale strumento è l’identificazione nel territorio extra-urbano di ambiti omogenei per caratteristiche attraverso una lettura del territorio a differenti scale (da quella territoriale a quella aziendale) al fine di giungere ad una sua classificazione e quindi alla definizione delle aree classificabili come “agricole periurbane”. La tesi propone la presentazione dell’architettura complessiva della metodologia e la descrizione dei livelli di analisi che la compongono oltre che la successiva sperimentazione e validazione della stessa attraverso un caso studio rappresentativo posto nella Pianura Padana (Italia).

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The growing need to assess the environmental status of the Mediterranean coastal marine habitats and the large availability of data collected by Reef Check Italia onlus (RCI) volunteers suggest the possibility to develop innovative and reliable indices that may support decision makers in applying conservation strategies. The aims of this study were to check the reliability of data collected by RCI volunteers, analyse the spatial and temporal distribution of RCI available data, resume the knowledge on the biology and ecology of the monitored species, and develop innovative indices to asses the ecological quality of Mediterranean subtidal rocky shores and coralligenous habitats. Subtidal rocky shores and coralligenous were chosen because these are the habitats more attractive for divers; therefore mlst data are referring to them, moreover subtidal rocky bottom are strongly affected by coastal urbanisation, land use, fishing and tourist activities, that increase pollution, turbidity and sedimentation. Non-indigenous species (NIS) have been recognized as a major threat to the integrity of Mediterranean native communities because of their proliferation, spread and impact on resident communities. Monitoring of NIS’ spreading dynamics at the basin spatial scale is difficult but urgent. According to a field test, the training provided by RCI appears adequate to obtain reliable data by volunteers. Based on data collected by RCI volunteers, three main categories of indices were developed: indices based on species diversity, indices on the occurrence non-indigenous species, and indices on species sensitive toward physical, chemical and biological disturbances. As case studies, indices were applied to stretches of coastline defined according to management criteria (province territories and marine protected areas). The assessments of ecological quality in the Tavolara Marine Protected Area using the species sensitivities index were consisten with those previously obtained with traditional methods.

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The burden of ischemic heart disease (IHD) in developing countries is on the rise, due to urbanisation, industrialisation and the low availability of evidence based therapies and interventions.

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Indoor radon is regularly measured in Switzerland. However, a nationwide model to predict residential radon levels has not been developed. The aim of this study was to develop a prediction model to assess indoor radon concentrations in Switzerland. The model was based on 44,631 measurements from the nationwide Swiss radon database collected between 1994 and 2004. Of these, 80% randomly selected measurements were used for model development and the remaining 20% for an independent model validation. A multivariable log-linear regression model was fitted and relevant predictors selected according to evidence from the literature, the adjusted R², the Akaike's information criterion (AIC), and the Bayesian information criterion (BIC). The prediction model was evaluated by calculating Spearman rank correlation between measured and predicted values. Additionally, the predicted values were categorised into three categories (50th, 50th-90th and 90th percentile) and compared with measured categories using a weighted Kappa statistic. The most relevant predictors for indoor radon levels were tectonic units and year of construction of the building, followed by soil texture, degree of urbanisation, floor of the building where the measurement was taken and housing type (P-values <0.001 for all). Mean predicted radon values (geometric mean) were 66 Bq/m³ (interquartile range 40-111 Bq/m³) in the lowest exposure category, 126 Bq/m³ (69-215 Bq/m³) in the medium category, and 219 Bq/m³ (108-427 Bq/m³) in the highest category. Spearman correlation between predictions and measurements was 0.45 (95%-CI: 0.44; 0.46) for the development dataset and 0.44 (95%-CI: 0.42; 0.46) for the validation dataset. Kappa coefficients were 0.31 for the development and 0.30 for the validation dataset, respectively. The model explained 20% overall variability (adjusted R²). In conclusion, this residential radon prediction model, based on a large number of measurements, was demonstrated to be robust through validation with an independent dataset. The model is appropriate for predicting radon level exposure of the Swiss population in epidemiological research. Nevertheless, some exposure misclassification and regression to the mean is unavoidable and should be taken into account in future applications of the model.

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The main goal of this project was to identity whether an imported system of social policy can be suitable for a host country, and if not why not. Romanian social policy concerning the mentally disabled represents a paradoxical situation in that while social policy is designed to ensure both an institutional structure and a juridical environment, in practice it is far from successful. The central question which Ms. Ciumageanu asked therefore was whether this failure was due to systemic factors, or whether the problem lay in reworking an imported social policy system to meet local needs. She took a comparative approach, also considering both the Scandinavian model of social policy, particularly the Danish model which has been adopted in Romania, and the Hungarian system, which has inherited a similar universal welfare system and perpetuated it to some extent. In order to verify her hypothesis, she also studied the transformation of the welfare system in Great Britain, which meant a shift from state responsibility towards community care. In all these she concentrated on two major aspects: the structural design within the different countries and, at a micro level, the societal response. Following her analyses of the various in the other countries concerned, Ms. Ciumageanu concluded that the major differences lie first in the difference between the stages of policy design. Here Denmark is the most advanced and Romania the most backwards. Denmark has a fairly elaborate infrastructure, Britain a system with may gaps to bridge, and Hungary and Romania are struggling with severe difficulties owing both to the inherited structure and the limits imposed by an inadequate GDP. While in Denmark and Britain, mental patients are integrated into an elaborate system of care, designed and administered by the state (in Denmark) or communities (in Britain), in Hungary and Romania, the state designs and fails to implement the policy and community support is minimal, partly due to the lack of a fully developed civil society. At the micro level the differences are similar. While in Denmark and Britain there is a consensus about the roles of the state and of civil societies (although at different levels in the two countries, with the state being more supportive in Denmark), in Romania and to a considerable extent in Hungary, civil society tends to expect too much from the state, which in its turn is withdrawing faster from its social roles than from its economic ones, generating a gap between the welfare state and the market economy and disadvantaging the expected transition from a welfare state to a welfare society and, implicitly, the societal response towards those mentally disabled persons in it. On an intermediate level, the factors influencing social policy as a whole were much the same for Hungary and Romania. Economic factors include the accumulated economic resources of both state and citizens, and the inherited pattern of redistribution, as well as the infrastructure; institutional resources include the role of the state and the efficiency of the state bureaucracy, the strength and efficiency of the state apparatus, political stability and the complexity of political democratisation, the introduction of market institutions, the strength of civil society and civic sector institutions. From the standpoint of the societal response, some factors were common to all countries, particularly the historical context, the collective and institutional memories and established patterns of behaviour. In the specific case of Romania, general structural and environmental factors - industrialisation and forced urbanisation - have had a definite influence on family structure, values and behavioural patterns. The analysis of Romanian social policy revealed several causes for failure to date. The first was the instability of the policy and the failure to consider the structural network involved in developing it, rather than just the results obtained. The second was the failure to take into account the relationship between the individual and the group in all its aspects, followed by the lack of active assistance for prevention, re-socialisation or professional integration of persons with mental disabilities. Finally, the state fails to recognise its inability to support an expensive psychiatric enterprise and does not provide any incentive to the private sector. This creates tremendous social costs for both the state and the individual. NGOs working in the field in Romania have been somewhat more successful but are still limited by their lack of funding and personnel and the idea of a combined system is as yet utopian in the circumstances in the country.

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Zarycki studied the political map of Central Europe today on the basis of results of recent parliamentary and/or presidential elections in the Czech Republic, Hungary, L8ithuania, Poland, Slovakia and Ukraine. He identified first the structure of regional political cleavages, then the spatial patterns emerging in different countries. He also considered the significance and eventual regional differentiation of various possible influences on these patterns, including urbanisation, historical heritage, ethnic factors, population movements, economic differentiation, the effects of the transformation, demographic factors, education and religion. Virtually all the countries showed a cleavage between more traditional, anti (or non-) communist regions and secular areas with higher post-communist support. Except in Ukraine and the Czech Republic, the post-communist party is dominated by the direct heirs of the former communist parties transformed into moderate left parties. The second major class of cleavages was typical of the Visegrad countries, i.e. the conflict between liberal, mostly metropolitan, regions and a different periphery, usually with a strong populist or anti-liberal appeal. This usually depends on the existence of a sizeable well-educated class, usually pro-market and pro-Western, and on the resolution of the conflict between post and anti-Communists. The third type of cleavage is based on ethnic factors and is clearest in Lithuania and Slovakia, where there are large ethnic minorities. Of factors influencing political behaviour, the two major ones identified were the historical heritage and urbanisation.

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Childhood leukaemia (CL) may have an infectious cause and population mixing may therefore increase the risk of CL. We aimed to determine whether CL was associated with population mixing in Switzerland. We followed children aged <16 years in the Swiss National Cohort 1990-2008 and linked CL cases from the Swiss Childhood Cancer Registry to the cohort. We calculated adjusted hazard ratios (HRs) for all CL, CL at age <5 years and acute lymphoblastic leukaemia (ALL) for three measures of population mixing (population growth, in-migration and diversity of origin), stratified by degree of urbanisation. Measures of population mixing were calculated for all municipalities for the 5-year period preceding the 1990 and 2000 censuses. Analyses were based on 2,128,012 children of whom 536 developed CL. HRs comparing highest with lowest quintile of population growth were 1.11 [95 % confidence interval (CI) 0.65-1.89] in rural and 0.59 (95 % CI 0.43-0.81) in urban municipalities (interaction: p = 0.271). Results were similar for ALL and for CL at age <5 years. For level of in-migration there was evidence of a negative association with ALL. HRs comparing highest with lowest quintile were 0.60 (95 % CI 0.41-0.87) in urban and 0.61 (95 % CI 0.30-1.21) in rural settings. There was little evidence of an association with diversity of origin. This nationwide cohort study of the association between CL and population growth, in-migration and diversity of origin provides little support for the population mixing hypothesis.