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  • Energy Research
  • Open Access
  • 13. Climate action
  • 8. Economic growth
  • 1. No poverty
  • 6. Clean water
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Reis, A. H.; Miguel, A. F.;

    The worldwide scarcity of fossil fuels regarding primary energy demand together with growing environmental concerns have raised new challenges to the world economy, and led to changes in the energy paradigm. Industry, services, researchers, and the Academy are challenged to envisage new solutions through setting up new conversion processes, designing new power systems, and investigating and developing new energy sources and vectors. A broad and up-to-date views on flow systems, energy vectors, together with fuel cells, biomass, and energy recovery issues are covered in this collection. The Guest Editors are grateful to the authors who contributed to this special issue and to all colleagues who participated in the review process.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Repositório Científi...arrow_drop_down
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Repositório Científi...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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    Authors: Vilaça, Patrícia Pinheiro da Silva;

    Atualmente, existe uma necessidade cada vez maior das empresas adotarem algum tipo de medida de responsabilidade social corporativa. É uma obrigação da empresa alcançar metas sustentáveis de longo prazo para os seus funcionários e também para o mundo em geral. O papel do gestor de operações é conseguir balançar todos os desafios que surgem à medida que o ambiente económico, social político e tecnológico altera. Há toda uma análise necessária entre os incentivos que o governo de cada país fornece e o proveito que a empresa consegue retirar da implementação destas políticas. Surge aqui a questão fulcral se a adoção destas políticas não é meramente por interesses económicos por parte destas organizações. O presente trabalho visa, por isso, avaliar a aplicação de medidas de responsabilidade social corporativa em empresas internacionais. Foi elaborado através do estudo e análise de duas organizações internacionais com as suas operações já delineadas, a FARFETCH e a FERPINTA. Ao longo do trabalho são avaliados os desafios enfrentados por estes dois grupos internacionais cujo as indústrias nas quais operam são inequivocamente diferentes. Inicialmente, realiza-se revisão de literatura, de seguida é feito um resumo dos dois grupos. Posteriormente, é feita a análise das entrevistas levadas a cabo com diferentes colaboradores e de diferentes departamentos das empresas de forma a recolher uma amostra variada dos pontos de vistas e das ações de responsabilidade social levadas a cabo. Por fim, é feita uma análise geral com a análise dos resultados das entrevistas e dados recolhidos. Após recolhidas e formuladas as análises, são sugeridas possíveis ações de implementação por parte das empresas. Currently, there is an increasing need for companies to adopt some kind of corporate social responsibility measure. It is an obligation of the company to achieve sustainable long-term goals for its employees and also for the world at large. The operations manager's role is to balance all the challenges that arise as the economic, social, political, and technological environment changes. There is a whole necessary analysis between the incentives that the government of each country provides and the benefit that the company is able to derive from the implementation of these policies. Here, the central question arises whether the adoption of these policies is not merely for economic interests. The present work aims, therefore, to evaluate the application of corporate social responsibility measures in international companies. It was prepared through the study and analysis of two international organizations with their operations already outlined, FARFETCH and FERPINTA. Throughout the work, the challenges faced by these two international groups whose industries in which they operate are unequivocally different are evaluated. Initially, a literature review is carried out, followed by a summary of the two groups. Subsequently, an analysis of the interviews is carried out with different employees and from different departments of the companies in order to collect a varied sample of the points of view and the social responsibility actions implemented. Finally, a general analysis is made with the evaluation of the results of the interviews and data collected. After collecting and formulating the analyses, possible implementation actions by the companies are suggested.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Repositório Instituc...arrow_drop_down
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Teixeira, Filipe Manuel Martins;

    Um nearly zero-energy building (nzeb) é um edifício que produz tanta ou mais energia quanto a que consome num ano típico. As medidas de eficiência assumem um papel de tal forma preponderante na redução das necessidades de consumo que, através da captação de energias renováveis, se torna possível alcançar um balanço de energia zero. Actualmente, a abordagem mais comum é usar a rede pública como fonte e dissipador dessa energia eléctrica. O conceito tem-se expandido de forma notória, dentro ou fora do território nacional, sendo hoje possível aprendermos os conceitos inerentes aos edifícios de energia zero a partir de importantes projectos, como é exemplo disso o edifício Solar XXI em Lisboa. Este documento procura abordar o tema de forma prática e acessível, do ponto de vista das preocupações da arquitectura. Para isso, contribui um caso de estudo que pretende compor uma lógica integradora de várias estratégias determinantes no comportamento térmico do edifício, com intenções de arquitetura contemporânea que se querem fiéis aos seus princípios. A nearly zero-energy building (nzeb) is a sort of building that produces as much or more energy than it consumes in an average year. The efficiency measures play an important role to reduce energy consumption such that the balance of energy needs can be supplied with renewable technologies in order to reach a zero energy result. Today’s approach is usually to use the public grid as a source and a way to dissipate this electric energy. This concept has been spreading in a notorious way in and outside our national territory. With this intention, it is possible today to learn the underlying concepts of the energy zero buildings through several projects, such as the Solar XXI building in Lisbon. This Document approaches this subject in a practical and accessible way, from the point of view of architecture concerns. Additionally it contributes with a case study that develops a set of several strategies that are determinant in the building’s thermal behaviour alongside with contemporary architecture intentions that are supposed to follow their own principles.

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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Repositório do ISCTE...arrow_drop_down
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Gimenes, Michele de Faveri; Takeda, Alice Michiyo; Benedito, Evanilde;

    This study aimed to identify potential sources of organic matter in sediment, using stable isotopes of carbon (delta13C) and nitrogen (delta15N). Sediment samples were gathered from the margin and in center of three subsystems: Ivinheima, Paraná and Baia, in August/2001. The samples were fractionated granulometrically and separated by size (< 200 µm; 70-200 µm; > 70 µm), prepared and sent to CENA / USP, for identifying the isotopes proportions. Significant differences were detected in the isotopic ratios of the sediment only between sampling stations. The Baía channel presented the lowest delta13C values, while the highest ones were recorded in Paraná river. At this last, delta15N values were negative (-14.41‰). We did not verify significant difference in isotopic composition between the particle sizes of sediment, and between the sampling points. The main sources of carbon for the sediment were C3 macrophytes, periphyton and particulate organic carbon (POC).

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ LAReferencia - Red F...arrow_drop_down
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    Authors: Dantas, Stefano Giacomazzi; Pompermayer, Fabiano Mezadre;

    This work discusses the economic viability of photovoltaic systems usage in distributed generation of electricity and its possible impacts on electrical network. We present the current situation and perspectives of distributed generation in Brazil. Besides that, we developed a financial analysis of grid-tie photovoltaic systems, considering factors such as local solar radiation and conventional energy cost, using data from the National Agency of Electrical Energy (ANEEL). Overall, the usage of photovoltaic systems in Brazil is economically attractive. Despite this, we have to discuss the impacts on the electrical network that might happen due to energy supply variability and economic losses of electric companies and users. However, we show that there is still a lot of room for development of photovoltaic systems in Brazil, especially within regions with high solar radiation.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ EconStorarrow_drop_down
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    EconStor
    Research . 2018
    Data sources: EconStor
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ EconStorarrow_drop_down
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      EconStor
      Research . 2018
      Data sources: EconStor
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    Authors: Sousa, Afonso Marques de;

    Dissertação de Mestrado Integrado em Engenharia Mecânica apresentada à Faculdade de Ciências e Tecnologia O conforto térmico é algo cada vez mais valorizado pelo ser humano, sendo fundamental para a sua produtividade e o seu bem-estar. Porém, assegurar condições de conforto térmico tem consequências energéticas, económicas e ambientais. Os órgãos de governo da União Europeia consideram que o aumento da eficiência energética dos edifícios é algo de extrema importância, devido a estes serem grandes consumidores de energia. Logo, um método eficaz de reduzir custos energéticos e económicos e impactos ambientais passa por tornar os edifícios muito eficientes energeticamente. A eficiência energética de um edifício está diretamente relacionada com a qualidade das suas soluções construtivas. Uma forma de melhorar as características das soluções construtivas é o uso de isolamento térmico, de modo a diminuir as trocas de calor entre o exterior e o interior de um edifício. O presente estudo tinha como objetivo a realização de uma análise económica, energética e ambiental da aplicação do isolamento térmico aos edifícios do continente europeu. Esta análise permitiu compreender a influência da aplicação de isolamento térmico na eficiência energética dos edifícios e assim perceber a influência desta medida nos custos energéticos, económicos e ambientais do ciclo de vida completo dos edifícios localizados no continente europeu. Adicionalmente, fez-se uma verificação de qual o material isolante térmico mais adequado. A análise foi efetuada segundo as perspetivas económica, energética e ambiental. Os custos do conforto térmico dependem da tipologia de uso do edifício e do tipo de clima. Assim, de forma a representar as tipologias do edificado europeu foram selecionados seis edifícios diferentes, sendo estes: um apartamento e uma moradia (edifícios residenciais), uma clínica (edifício de serviços com funcionamento permanente), uma escola e uma agência bancária (edifícios de serviços com funcionamento intermitente) e um supermercado (edifício de comércio com funcionamento intermitente. Para representar o clima do continente europeu foram selecionadas 5 localizações, em função do número de graus-dia de aquecimento e de arrefecimento, envolvendo assim 5 tipos de clima: Málaga (quente), Lisboa (moderado), Valladolid (frio), Varsóvia (muito frio), Reykjavik (extremamente frio). Recorreu-se à folha de cálculo CalProTerm para a obtenção das propriedades termofísicas das soluções construtivas opacas e ao software SEnergEd para a realização da simulação do comportamento energético, económico e ambiental do ciclo de vida dos edifícios. A versão do software SEnergEd disponibilizada não realizava a análise ambiental do ciclo de vida do edifício, pelo que foi necessário proceder à implementação desta vertente, munindo este software com os algoritmos necessários à realização do cálculo de impactos ambientais.Os resultados obtidos mostram, em termos muito genéricos, que a aplicação de isolamento térmico à envolvente opaca dos edifícios do continente europeu é mais benéfica em termos energéticos e em termos ambientais do que sob a perspetiva económica. Adicionalmente, a espessura ótima de isolamento térmico depende da tipologia de edifício, do tipo de clima e da perspetiva com que foi efetuada a análise (energética, ambiental ou económica). Thermal comfort is something increasingly valued by the human being, being fundamental for their productivity and well-being. However, ensuring thermal comfort conditions has energy, economic and environmental consequences. The Governing Bodies of the European Union consider that increasing the energy efficiency of buildings is extremely important, especially due to being one of the major energy consumers. Therefore, an effective method of reducing energy and economic costs and environmental impacts is to make buildings very energy efficient. The energy efficiency of a building is directly related to the quality of its constructive solutions. One way to improve the characteristics of constructive solutions is the use of thermal insulation, so as to decrease heat exchanges between the outside and the interior of a building.The present study aimed to carry out an economic, energy and environmental analysis of the application of thermal insulation to buildings on the European continent. This analysis made it possible to understand the influence of the application of thermal insulation on the energy efficiency of buildings and thus to understand the influence of this measure on the energy, economic and environmental costs of the complete life cycle of buildings located on the European continent. Additionally, a verification was made of which is the most suitable thermal insulating material. The analysis was carried out according to the economic, energy and environmental perspectives. Thermal comfort costs depend on the type of use of the building and the type of climate. Thus, to represent the typologies of European buildings, six different buildings were selected, namely: an apartment and a house (residential buildings), a clinic (service building with permanent operation), a school and a bank branch (buildings of services with intermittent operation) and a supermarket (commercial building with intermittent operation. To represent the climate of the European continent, 5 locations were selected, depending on the number of degree-days of heating and cooling, thus involving 5 types of climate: Malaga (hot), Lisbon (moderate), Valladolid (cold), Warsaw (very cold), Reykjavik (extremely cold).The CalProTerm spreadsheet was used to obtain the thermophysical properties of the opaque constructive solutions, the SEnergEd software was used to simulate the energy, economic and environmental behavior of the buildings' life cycle. The version of the SEnergEd software initially available did not carry out the environmental analysis of the building's life cycle, therefore it was necessary to implement this aspect, providing this software with the algorithms necessary to carry out the calculation of environmental impacts.The results obtained showed, in very general terms, that the application of thermal insulation to the opaque envelope of buildings on the European continent is more beneficial in energy and environmental terms than from an economic perspective. Additionally, the optimal thickness of thermal insulation depends on the type of building, the type of climate and the perspective from which the analysis was carried out (energy, environmental or economic).

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Estudo Geralarrow_drop_down
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    Estudo Geral
    Master thesis . 2022
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      Estudo Geral
      Master thesis . 2022
      Data sources: Estudo Geral
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    Authors: Novo, M. E.; Henriques, M. J. A.;

    Climate change is bound to impact the water cycle and water availability, compounding the sustainable management of its quantity and quality. Groundwater is bound to suffer the impacts of climate change, coupled with those of land use changes, population and its lifestyles evolution. Climate change studies normaly have a 50 to 100 years horizon, which is a challenge for decision makers, who usually rely on relatively short therm data and projections to implement their management policies. BINGO Project tries to address this gap, by providing information of climate change impacts, including those of extreme events, on the water cycle for the short-tomedium term. Climate change impacts on groundwater rely on mathematical modeling, using recharge projections obtained from the climate forecasts of the Regional Climate Models set up for Europe. Sea level change is also a component of this analysis and its ensuing impacts of saltwater intrusion on the coastal and estuarine areas of Aluviões do Tejo and Bacia do Tejo-Sado/Margem Esquerda aquifers. 4p DHA/NRE

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    Authors: Cabral, Frederico Miguel Leite;

    O ecoturismo é, hoje, definido como uma forma responsável de viajar, para áreas naturais, tendo por base conservação do meio ambiente e do bem-estar da população local, enquanto envolvendo a interpretação e a educação. Os objetivos deste estudo assentaram na caracterização do ecoturismo e na avaliação do seu impacto no desenvolvimento sustentável da ilha de São Miguel. Foram analisadas as perceções de três grupos da ilha de São Miguel: turistas, residentes e empresas do setor turístico. O propósito desta investigação empírica foi o de caracterizar as perceções recolhidas destes grupos quanto ao impacto socioeconómico e ambiental relativamente ao ecoturismo respondendo, à Q.I.: Qual o impacto socioeconómico e ambiental do ecoturismo nos principais stakeholders que alberga o turismo na ilha de São Miguel? A amostra dos turistas é caracterizada por ser 59,5% composta por turistas portugueses, os principais fatores de escolha deste destino são: “Beleza das paisagens”, “Sossego e tranquilidade/relaxamento” e “Contacto com a natureza”. A autoavaliação da preocupação ambiental por parte do turista foi alta, embora, 45% dos inquiridos não denotaram impactos do turismo no meio ambiente. A amostra dos residentes é composta em 73,1% por residentes de Ponta Delgada. O residente padrão da amostra denota que mediante o aumento do turismo verificou-se alguns aspetos positivos, mas, regra geral, perdeu qualidade de vida. Adicionalmente, é evidenciado, o aumento do lixo e da degradação paisagística e o seu desagrado com o planeamento do desenvolvimento turístico da região por parte do governo. Por último, 64,4% das empresas do setor turístico pertencem ao setor do alojamento e 96,6% tem origem regional. As empresas inquiridas avaliam de forma elevada a sua preocupação ambiental, mas 75,4% das empresas, revela que seria possível desenvolver a sua atividade de uma forma mais ecológica. Nowadays, ecotourism is defined as a responsible way to travel to a natural area, conserving the environment and the well-being of the local people, while involving the education and interpretation of the surrounding. The goal of this study was to characterize the ecotourism and evaluate its impact on the sustainable development of the island of São Miguel. The perceptions of three groups of people on São Miguel were analysed: tourists, residents and companies in the tourism sector. This empirical investigation characterized the perceptions gathered from these groups, regarding the socioeconomic and environmental impact of ecotourism, therefore answering the R.Q.: What is the socioeconomic and environmental impact of ecotourism on the main stakeholders of tourism on the island of São Miguel? The tourist’s sample is mainly composed of Portuguese tourists (59,5%), and the main factors when choosing São Miguel as their destination are: “Beautiful landscapes”, “Peace and quiet/relaxation” and “Contact with nature”. The tourists reported high environmental concern. Although, 45% of the respondents did not denote tourism impacts on the environment. The sample of residents is mainly made up of people living in Ponta Delgada (73,1%). The standard resident of this sample denotes that with the increase in tourism, there has been some positive aspects, but generally, quality of life has decreased. In addition, there has been an increase in garbage, landscape degradation and displeasure with the government planning for tourism development. Finally, 64,4% of the companies in the tourism sector belong to the accommodation industry and 96,6% of all companies inquired are characterized as local companies. The surveyed companies assess their environmental concern as high, but 75,4% of the companies reveal that it would be possible to develop their activity in a more ecological way.

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    Authors: Gonçalves, Gabriela Ribeiro da Silva;

    Relatório de Estágio do Mestrado em Ensino de Geografia no 3º ciclo do Ensino Básico e no Ensino Secundário apresentado à Faculdade de Letras O presente relatório de estágio visa apresentar uma análise e reflexão das atividades letivas e extralectivas ao longo do Estágio Pedagógico Supervisionado, desenvolvido na Escola Secundária Dr.ª Maria Cândida, em Mira, durante o ano letivo 2020/2021. Além disso, pretendo efetuar uma reflexão da aplicação da estratégia didático-pedagógica, neste caso concreto a Aplicação dos Media na Educação Geográfica e Ambiental, caso específico do Jornal aplicado ao tema das Alterações Climáticas. O relatório está dividido em três partes. A primeira parte, onde é feita a descrição geral da escola, acompanhado do enquadramento geográfico, turma, núcleo de estágio e das atividades realizadas ao longo do estágio. A segunda parte, está direcionada para a reflexão teórica e científica associada ao tema da aplicação didática.O tema da componente científica é as Alterações Climáticas e os seus impactos na saúde humana, assim como o surgimento ou ressurgimento de doenças parasitárias na Europa. Na terceira parte é apresentada a estratégia didática, o jornal realizado pelos alunos, acompanhado dos resultados obtidos ao inquérito realizado aos professores do agrupamento e aos alunos sobre o mesmo. Neste capítulo também se encontra uma reflexão sobre o ensino à distância e os impactos na aprendizagem tanto nos professores como alunos. Os objetivos propostos para esta estratégia foram positivos, uma vez que obtive o feedback desejado por parte dos alunos, assim como toda a dedicação na construção do jornal. This internship report aims to present an analysis and reflection of teaching and extralegal activities throughout the Supervised Pedagogical Internship, developed in Escola Secundária Dr. ª Maria Cândida, in Mira, during the school year 2020/2021. In addition, I intend to reflect on the application of didactic-pedagogical strategy, in this specific case the Application of Media in Geographic and Environmental Education, the specific case of the newspaper applied to the theme of Climate Change.The report is divided in three parts. The first part, where the general description of the school is made, accompanied by the geographic framing, class, internship nucleus and the activities carried out throughout the internship. The second part is directed towards the theoretical and scientific reflection associated with the theme of didactic application. The theme of the scientific component is Climate Change and its impacts on human health, as well as the emergence or resurgence of parasitic diseases in Europe.In the third part, the didactic strategy is presented, the newspaper made by the students, accompanied by the results obtained from the survey carried out to the teachers of the grouping and to the students about it. In this chapter there is also a reflection on distance learning and the impacts on learning for both teachers and students. The objectives proposed for this strategy were positive, since I obtained the desired feedback from the students, as well as all the dedication in the construction of the newspaper.

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    Estudo Geral
    Master thesis . 2021
    Data sources: Estudo Geral
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      Estudo Geral
      Master thesis . 2021
      Data sources: Estudo Geral
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    Authors: Zapparoli, Irene Domenes; Zapparoli, Irene Domenes;

    O ecoturismo está entre as novas atividades no meio rural e se apresenta como uma atividade alternativa para vencer os problemas sócio-econômicos. Assim questiona-se: como as novas atividades no meio rural, que vem ganhando destaque na região, são percebidas pela população? A metodologia se vale de fontes bibliográficas e base empírica. Para a elaboração deste estudo propõe-se um projeto de loteamento de chácaras para fins de ecoturismo, em Sertanópolis-Pr. Metodologia empregada para investigar a organização social se vale da ecologia humana. Com a ecologia humana estudam-se diferentes níveis de organização social durante a pesquisa. A pesquisa foi realizada em Sertanópolis, em outubro de 2003, através da aplicação de 312 questionários, aplicados aos moradores e entrevistas com o Diretor de Fazenda da Prefeitura Municipal e o Gerente da Associação Comercial. A arrecadação total do empreendimento em Imposto Predial e Territorial Urbano, por estimativa, é de R$ 765.310,00. Na região, o município possui apenas 0,55% da arrecadação em Imposto de Circulação de Mercadorias e Serviços – ICMS, quantia insuficiente para qualquer estímulo em termos de políticas públicas. Dos entrevistados, 13,45% estavam desempregados, 40% ganham de 2 a 4 salários mínimos, 45% moram em casa alugada ou financiada. Com a implantação do parcelamento de lotes para fins de ecoturismo é possível estimar a criação de mais 700 postos de trabalho, que ocupariam mão-de-obra rural excedente.---------------------------------------------The environment (leisure place) is among the new activities in the rural area and to come as an alternative activity to solve the socio-economic problems. The factor that more it contributed to reduce total population went to the migration of great part of the rural population for other states and not for the urban area, as it happened with adjacent cities. First of all is questioned: How the new activities in the rural way? What does come to engaging importance in the area? How is this appear by the population? The methodology is been significance of bibliographical sources and empiric data. The elaboration of this study intends a project of division into lots of small farms for leisure place in Sertanópolis-Pr. Methodology used to investigate the social organization is been importance of the human ecology. With the human ecology it is studied different levels of social organization during the research. The research was consummate in Sertanópolis, in October of 2003, through the application of 312 questionnaires, applied to the residents and interviews with the Director of Finance of the Municipal City and the Manager of the Commercial Association. The total collection of the enterprise in rates, for estimate, it is of R$ 765.310,00. In the area, the Sertanópolis possesses only 0,55% of the collection in tax (ICMS), insufficient amount for any incentive in terms of public politics. The interviewees show that, 13,45% were unemployed, 40% receive 2 to 4 minimum wages, 45% live rented home or financed. With the implantation of area for leisure place is possible to creation more 700 workstations, that would occupy additional rural labour.

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    https://dx.doi.org/10.22004/ag...
    Other literature type . 2008
    Data sources: Datacite
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      https://dx.doi.org/10.22004/ag...
      Other literature type . 2008
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    Authors: Reis, A. H.; Miguel, A. F.;

    The worldwide scarcity of fossil fuels regarding primary energy demand together with growing environmental concerns have raised new challenges to the world economy, and led to changes in the energy paradigm. Industry, services, researchers, and the Academy are challenged to envisage new solutions through setting up new conversion processes, designing new power systems, and investigating and developing new energy sources and vectors. A broad and up-to-date views on flow systems, energy vectors, together with fuel cells, biomass, and energy recovery issues are covered in this collection. The Guest Editors are grateful to the authors who contributed to this special issue and to all colleagues who participated in the review process.

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    Authors: Vilaça, Patrícia Pinheiro da Silva;

    Atualmente, existe uma necessidade cada vez maior das empresas adotarem algum tipo de medida de responsabilidade social corporativa. É uma obrigação da empresa alcançar metas sustentáveis de longo prazo para os seus funcionários e também para o mundo em geral. O papel do gestor de operações é conseguir balançar todos os desafios que surgem à medida que o ambiente económico, social político e tecnológico altera. Há toda uma análise necessária entre os incentivos que o governo de cada país fornece e o proveito que a empresa consegue retirar da implementação destas políticas. Surge aqui a questão fulcral se a adoção destas políticas não é meramente por interesses económicos por parte destas organizações. O presente trabalho visa, por isso, avaliar a aplicação de medidas de responsabilidade social corporativa em empresas internacionais. Foi elaborado através do estudo e análise de duas organizações internacionais com as suas operações já delineadas, a FARFETCH e a FERPINTA. Ao longo do trabalho são avaliados os desafios enfrentados por estes dois grupos internacionais cujo as indústrias nas quais operam são inequivocamente diferentes. Inicialmente, realiza-se revisão de literatura, de seguida é feito um resumo dos dois grupos. Posteriormente, é feita a análise das entrevistas levadas a cabo com diferentes colaboradores e de diferentes departamentos das empresas de forma a recolher uma amostra variada dos pontos de vistas e das ações de responsabilidade social levadas a cabo. Por fim, é feita uma análise geral com a análise dos resultados das entrevistas e dados recolhidos. Após recolhidas e formuladas as análises, são sugeridas possíveis ações de implementação por parte das empresas. Currently, there is an increasing need for companies to adopt some kind of corporate social responsibility measure. It is an obligation of the company to achieve sustainable long-term goals for its employees and also for the world at large. The operations manager's role is to balance all the challenges that arise as the economic, social, political, and technological environment changes. There is a whole necessary analysis between the incentives that the government of each country provides and the benefit that the company is able to derive from the implementation of these policies. Here, the central question arises whether the adoption of these policies is not merely for economic interests. The present work aims, therefore, to evaluate the application of corporate social responsibility measures in international companies. It was prepared through the study and analysis of two international organizations with their operations already outlined, FARFETCH and FERPINTA. Throughout the work, the challenges faced by these two international groups whose industries in which they operate are unequivocally different are evaluated. Initially, a literature review is carried out, followed by a summary of the two groups. Subsequently, an analysis of the interviews is carried out with different employees and from different departments of the companies in order to collect a varied sample of the points of view and the social responsibility actions implemented. Finally, a general analysis is made with the evaluation of the results of the interviews and data collected. After collecting and formulating the analyses, possible implementation actions by the companies are suggested.

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    Authors: Teixeira, Filipe Manuel Martins;

    Um nearly zero-energy building (nzeb) é um edifício que produz tanta ou mais energia quanto a que consome num ano típico. As medidas de eficiência assumem um papel de tal forma preponderante na redução das necessidades de consumo que, através da captação de energias renováveis, se torna possível alcançar um balanço de energia zero. Actualmente, a abordagem mais comum é usar a rede pública como fonte e dissipador dessa energia eléctrica. O conceito tem-se expandido de forma notória, dentro ou fora do território nacional, sendo hoje possível aprendermos os conceitos inerentes aos edifícios de energia zero a partir de importantes projectos, como é exemplo disso o edifício Solar XXI em Lisboa. Este documento procura abordar o tema de forma prática e acessível, do ponto de vista das preocupações da arquitectura. Para isso, contribui um caso de estudo que pretende compor uma lógica integradora de várias estratégias determinantes no comportamento térmico do edifício, com intenções de arquitetura contemporânea que se querem fiéis aos seus princípios. A nearly zero-energy building (nzeb) is a sort of building that produces as much or more energy than it consumes in an average year. The efficiency measures play an important role to reduce energy consumption such that the balance of energy needs can be supplied with renewable technologies in order to reach a zero energy result. Today’s approach is usually to use the public grid as a source and a way to dissipate this electric energy. This concept has been spreading in a notorious way in and outside our national territory. With this intention, it is possible today to learn the underlying concepts of the energy zero buildings through several projects, such as the Solar XXI building in Lisbon. This Document approaches this subject in a practical and accessible way, from the point of view of architecture concerns. Additionally it contributes with a case study that develops a set of several strategies that are determinant in the building’s thermal behaviour alongside with contemporary architecture intentions that are supposed to follow their own principles.

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    Authors: Gimenes, Michele de Faveri; Takeda, Alice Michiyo; Benedito, Evanilde;

    This study aimed to identify potential sources of organic matter in sediment, using stable isotopes of carbon (delta13C) and nitrogen (delta15N). Sediment samples were gathered from the margin and in center of three subsystems: Ivinheima, Paraná and Baia, in August/2001. The samples were fractionated granulometrically and separated by size (< 200 µm; 70-200 µm; > 70 µm), prepared and sent to CENA / USP, for identifying the isotopes proportions. Significant differences were detected in the isotopic ratios of the sediment only between sampling stations. The Baía channel presented the lowest delta13C values, while the highest ones were recorded in Paraná river. At this last, delta15N values were negative (-14.41‰). We did not verify significant difference in isotopic composition between the particle sizes of sediment, and between the sampling points. The main sources of carbon for the sediment were C3 macrophytes, periphyton and particulate organic carbon (POC).

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    Authors: Dantas, Stefano Giacomazzi; Pompermayer, Fabiano Mezadre;

    This work discusses the economic viability of photovoltaic systems usage in distributed generation of electricity and its possible impacts on electrical network. We present the current situation and perspectives of distributed generation in Brazil. Besides that, we developed a financial analysis of grid-tie photovoltaic systems, considering factors such as local solar radiation and conventional energy cost, using data from the National Agency of Electrical Energy (ANEEL). Overall, the usage of photovoltaic systems in Brazil is economically attractive. Despite this, we have to discuss the impacts on the electrical network that might happen due to energy supply variability and economic losses of electric companies and users. However, we show that there is still a lot of room for development of photovoltaic systems in Brazil, especially within regions with high solar radiation.

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    EconStor
    Research . 2018
    Data sources: EconStor
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      EconStor
      Research . 2018
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    Authors: Sousa, Afonso Marques de;

    Dissertação de Mestrado Integrado em Engenharia Mecânica apresentada à Faculdade de Ciências e Tecnologia O conforto térmico é algo cada vez mais valorizado pelo ser humano, sendo fundamental para a sua produtividade e o seu bem-estar. Porém, assegurar condições de conforto térmico tem consequências energéticas, económicas e ambientais. Os órgãos de governo da União Europeia consideram que o aumento da eficiência energética dos edifícios é algo de extrema importância, devido a estes serem grandes consumidores de energia. Logo, um método eficaz de reduzir custos energéticos e económicos e impactos ambientais passa por tornar os edifícios muito eficientes energeticamente. A eficiência energética de um edifício está diretamente relacionada com a qualidade das suas soluções construtivas. Uma forma de melhorar as características das soluções construtivas é o uso de isolamento térmico, de modo a diminuir as trocas de calor entre o exterior e o interior de um edifício. O presente estudo tinha como objetivo a realização de uma análise económica, energética e ambiental da aplicação do isolamento térmico aos edifícios do continente europeu. Esta análise permitiu compreender a influência da aplicação de isolamento térmico na eficiência energética dos edifícios e assim perceber a influência desta medida nos custos energéticos, económicos e ambientais do ciclo de vida completo dos edifícios localizados no continente europeu. Adicionalmente, fez-se uma verificação de qual o material isolante térmico mais adequado. A análise foi efetuada segundo as perspetivas económica, energética e ambiental. Os custos do conforto térmico dependem da tipologia de uso do edifício e do tipo de clima. Assim, de forma a representar as tipologias do edificado europeu foram selecionados seis edifícios diferentes, sendo estes: um apartamento e uma moradia (edifícios residenciais), uma clínica (edifício de serviços com funcionamento permanente), uma escola e uma agência bancária (edifícios de serviços com funcionamento intermitente) e um supermercado (edifício de comércio com funcionamento intermitente. Para representar o clima do continente europeu foram selecionadas 5 localizações, em função do número de graus-dia de aquecimento e de arrefecimento, envolvendo assim 5 tipos de clima: Málaga (quente), Lisboa (moderado), Valladolid (frio), Varsóvia (muito frio), Reykjavik (extremamente frio). Recorreu-se à folha de cálculo CalProTerm para a obtenção das propriedades termofísicas das soluções construtivas opacas e ao software SEnergEd para a realização da simulação do comportamento energético, económico e ambiental do ciclo de vida dos edifícios. A versão do software SEnergEd disponibilizada não realizava a análise ambiental do ciclo de vida do edifício, pelo que foi necessário proceder à implementação desta vertente, munindo este software com os algoritmos necessários à realização do cálculo de impactos ambientais.Os resultados obtidos mostram, em termos muito genéricos, que a aplicação de isolamento térmico à envolvente opaca dos edifícios do continente europeu é mais benéfica em termos energéticos e em termos ambientais do que sob a perspetiva económica. Adicionalmente, a espessura ótima de isolamento térmico depende da tipologia de edifício, do tipo de clima e da perspetiva com que foi efetuada a análise (energética, ambiental ou económica). Thermal comfort is something increasingly valued by the human being, being fundamental for their productivity and well-being. However, ensuring thermal comfort conditions has energy, economic and environmental consequences. The Governing Bodies of the European Union consider that increasing the energy efficiency of buildings is extremely important, especially due to being one of the major energy consumers. Therefore, an effective method of reducing energy and economic costs and environmental impacts is to make buildings very energy efficient. The energy efficiency of a building is directly related to the quality of its constructive solutions. One way to improve the characteristics of constructive solutions is the use of thermal insulation, so as to decrease heat exchanges between the outside and the interior of a building.The present study aimed to carry out an economic, energy and environmental analysis of the application of thermal insulation to buildings on the European continent. This analysis made it possible to understand the influence of the application of thermal insulation on the energy efficiency of buildings and thus to understand the influence of this measure on the energy, economic and environmental costs of the complete life cycle of buildings located on the European continent. Additionally, a verification was made of which is the most suitable thermal insulating material. The analysis was carried out according to the economic, energy and environmental perspectives. Thermal comfort costs depend on the type of use of the building and the type of climate. Thus, to represent the typologies of European buildings, six different buildings were selected, namely: an apartment and a house (residential buildings), a clinic (service building with permanent operation), a school and a bank branch (buildings of services with intermittent operation) and a supermarket (commercial building with intermittent operation. To represent the climate of the European continent, 5 locations were selected, depending on the number of degree-days of heating and cooling, thus involving 5 types of climate: Malaga (hot), Lisbon (moderate), Valladolid (cold), Warsaw (very cold), Reykjavik (extremely cold).The CalProTerm spreadsheet was used to obtain the thermophysical properties of the opaque constructive solutions, the SEnergEd software was used to simulate the energy, economic and environmental behavior of the buildings' life cycle. The version of the SEnergEd software initially available did not carry out the environmental analysis of the building's life cycle, therefore it was necessary to implement this aspect, providing this software with the algorithms necessary to carry out the calculation of environmental impacts.The results obtained showed, in very general terms, that the application of thermal insulation to the opaque envelope of buildings on the European continent is more beneficial in energy and environmental terms than from an economic perspective. Additionally, the optimal thickness of thermal insulation depends on the type of building, the type of climate and the perspective from which the analysis was carried out (energy, environmental or economic).

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    Master thesis . 2022
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      Master thesis . 2022
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    Authors: Novo, M. E.; Henriques, M. J. A.;

    Climate change is bound to impact the water cycle and water availability, compounding the sustainable management of its quantity and quality. Groundwater is bound to suffer the impacts of climate change, coupled with those of land use changes, population and its lifestyles evolution. Climate change studies normaly have a 50 to 100 years horizon, which is a challenge for decision makers, who usually rely on relatively short therm data and projections to implement their management policies. BINGO Project tries to address this gap, by providing information of climate change impacts, including those of extreme events, on the water cycle for the short-tomedium term. Climate change impacts on groundwater rely on mathematical modeling, using recharge projections obtained from the climate forecasts of the Regional Climate Models set up for Europe. Sea level change is also a component of this analysis and its ensuing impacts of saltwater intrusion on the coastal and estuarine areas of Aluviões do Tejo and Bacia do Tejo-Sado/Margem Esquerda aquifers. 4p DHA/NRE

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    Authors: Cabral, Frederico Miguel Leite;

    O ecoturismo é, hoje, definido como uma forma responsável de viajar, para áreas naturais, tendo por base conservação do meio ambiente e do bem-estar da população local, enquanto envolvendo a interpretação e a educação. Os objetivos deste estudo assentaram na caracterização do ecoturismo e na avaliação do seu impacto no desenvolvimento sustentável da ilha de São Miguel. Foram analisadas as perceções de três grupos da ilha de São Miguel: turistas, residentes e empresas do setor turístico. O propósito desta investigação empírica foi o de caracterizar as perceções recolhidas destes grupos quanto ao impacto socioeconómico e ambiental relativamente ao ecoturismo respondendo, à Q.I.: Qual o impacto socioeconómico e ambiental do ecoturismo nos principais stakeholders que alberga o turismo na ilha de São Miguel? A amostra dos turistas é caracterizada por ser 59,5% composta por turistas portugueses, os principais fatores de escolha deste destino são: “Beleza das paisagens”, “Sossego e tranquilidade/relaxamento” e “Contacto com a natureza”. A autoavaliação da preocupação ambiental por parte do turista foi alta, embora, 45% dos inquiridos não denotaram impactos do turismo no meio ambiente. A amostra dos residentes é composta em 73,1% por residentes de Ponta Delgada. O residente padrão da amostra denota que mediante o aumento do turismo verificou-se alguns aspetos positivos, mas, regra geral, perdeu qualidade de vida. Adicionalmente, é evidenciado, o aumento do lixo e da degradação paisagística e o seu desagrado com o planeamento do desenvolvimento turístico da região por parte do governo. Por último, 64,4% das empresas do setor turístico pertencem ao setor do alojamento e 96,6% tem origem regional. As empresas inquiridas avaliam de forma elevada a sua preocupação ambiental, mas 75,4% das empresas, revela que seria possível desenvolver a sua atividade de uma forma mais ecológica. Nowadays, ecotourism is defined as a responsible way to travel to a natural area, conserving the environment and the well-being of the local people, while involving the education and interpretation of the surrounding. The goal of this study was to characterize the ecotourism and evaluate its impact on the sustainable development of the island of São Miguel. The perceptions of three groups of people on São Miguel were analysed: tourists, residents and companies in the tourism sector. This empirical investigation characterized the perceptions gathered from these groups, regarding the socioeconomic and environmental impact of ecotourism, therefore answering the R.Q.: What is the socioeconomic and environmental impact of ecotourism on the main stakeholders of tourism on the island of São Miguel? The tourist’s sample is mainly composed of Portuguese tourists (59,5%), and the main factors when choosing São Miguel as their destination are: “Beautiful landscapes”, “Peace and quiet/relaxation” and “Contact with nature”. The tourists reported high environmental concern. Although, 45% of the respondents did not denote tourism impacts on the environment. The sample of residents is mainly made up of people living in Ponta Delgada (73,1%). The standard resident of this sample denotes that with the increase in tourism, there has been some positive aspects, but generally, quality of life has decreased. In addition, there has been an increase in garbage, landscape degradation and displeasure with the government planning for tourism development. Finally, 64,4% of the companies in the tourism sector belong to the accommodation industry and 96,6% of all companies inquired are characterized as local companies. The surveyed companies assess their environmental concern as high, but 75,4% of the companies reveal that it would be possible to develop their activity in a more ecological way.

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    Authors: Gonçalves, Gabriela Ribeiro da Silva;

    Relatório de Estágio do Mestrado em Ensino de Geografia no 3º ciclo do Ensino Básico e no Ensino Secundário apresentado à Faculdade de Letras O presente relatório de estágio visa apresentar uma análise e reflexão das atividades letivas e extralectivas ao longo do Estágio Pedagógico Supervisionado, desenvolvido na Escola Secundária Dr.ª Maria Cândida, em Mira, durante o ano letivo 2020/2021. Além disso, pretendo efetuar uma reflexão da aplicação da estratégia didático-pedagógica, neste caso concreto a Aplicação dos Media na Educação Geográfica e Ambiental, caso específico do Jornal aplicado ao tema das Alterações Climáticas. O relatório está dividido em três partes. A primeira parte, onde é feita a descrição geral da escola, acompanhado do enquadramento geográfico, turma, núcleo de estágio e das atividades realizadas ao longo do estágio. A segunda parte, está direcionada para a reflexão teórica e científica associada ao tema da aplicação didática.O tema da componente científica é as Alterações Climáticas e os seus impactos na saúde humana, assim como o surgimento ou ressurgimento de doenças parasitárias na Europa. Na terceira parte é apresentada a estratégia didática, o jornal realizado pelos alunos, acompanhado dos resultados obtidos ao inquérito realizado aos professores do agrupamento e aos alunos sobre o mesmo. Neste capítulo também se encontra uma reflexão sobre o ensino à distância e os impactos na aprendizagem tanto nos professores como alunos. Os objetivos propostos para esta estratégia foram positivos, uma vez que obtive o feedback desejado por parte dos alunos, assim como toda a dedicação na construção do jornal. This internship report aims to present an analysis and reflection of teaching and extralegal activities throughout the Supervised Pedagogical Internship, developed in Escola Secundária Dr. ª Maria Cândida, in Mira, during the school year 2020/2021. In addition, I intend to reflect on the application of didactic-pedagogical strategy, in this specific case the Application of Media in Geographic and Environmental Education, the specific case of the newspaper applied to the theme of Climate Change.The report is divided in three parts. The first part, where the general description of the school is made, accompanied by the geographic framing, class, internship nucleus and the activities carried out throughout the internship. The second part is directed towards the theoretical and scientific reflection associated with the theme of didactic application. The theme of the scientific component is Climate Change and its impacts on human health, as well as the emergence or resurgence of parasitic diseases in Europe.In the third part, the didactic strategy is presented, the newspaper made by the students, accompanied by the results obtained from the survey carried out to the teachers of the grouping and to the students about it. In this chapter there is also a reflection on distance learning and the impacts on learning for both teachers and students. The objectives proposed for this strategy were positive, since I obtained the desired feedback from the students, as well as all the dedication in the construction of the newspaper.

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    Estudo Geral
    Master thesis . 2021
    Data sources: Estudo Geral
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      Estudo Geral
      Master thesis . 2021
      Data sources: Estudo Geral
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    Authors: Zapparoli, Irene Domenes; Zapparoli, Irene Domenes;

    O ecoturismo está entre as novas atividades no meio rural e se apresenta como uma atividade alternativa para vencer os problemas sócio-econômicos. Assim questiona-se: como as novas atividades no meio rural, que vem ganhando destaque na região, são percebidas pela população? A metodologia se vale de fontes bibliográficas e base empírica. Para a elaboração deste estudo propõe-se um projeto de loteamento de chácaras para fins de ecoturismo, em Sertanópolis-Pr. Metodologia empregada para investigar a organização social se vale da ecologia humana. Com a ecologia humana estudam-se diferentes níveis de organização social durante a pesquisa. A pesquisa foi realizada em Sertanópolis, em outubro de 2003, através da aplicação de 312 questionários, aplicados aos moradores e entrevistas com o Diretor de Fazenda da Prefeitura Municipal e o Gerente da Associação Comercial. A arrecadação total do empreendimento em Imposto Predial e Territorial Urbano, por estimativa, é de R$ 765.310,00. Na região, o município possui apenas 0,55% da arrecadação em Imposto de Circulação de Mercadorias e Serviços – ICMS, quantia insuficiente para qualquer estímulo em termos de políticas públicas. Dos entrevistados, 13,45% estavam desempregados, 40% ganham de 2 a 4 salários mínimos, 45% moram em casa alugada ou financiada. Com a implantação do parcelamento de lotes para fins de ecoturismo é possível estimar a criação de mais 700 postos de trabalho, que ocupariam mão-de-obra rural excedente.---------------------------------------------The environment (leisure place) is among the new activities in the rural area and to come as an alternative activity to solve the socio-economic problems. The factor that more it contributed to reduce total population went to the migration of great part of the rural population for other states and not for the urban area, as it happened with adjacent cities. First of all is questioned: How the new activities in the rural way? What does come to engaging importance in the area? How is this appear by the population? The methodology is been significance of bibliographical sources and empiric data. The elaboration of this study intends a project of division into lots of small farms for leisure place in Sertanópolis-Pr. Methodology used to investigate the social organization is been importance of the human ecology. With the human ecology it is studied different levels of social organization during the research. The research was consummate in Sertanópolis, in October of 2003, through the application of 312 questionnaires, applied to the residents and interviews with the Director of Finance of the Municipal City and the Manager of the Commercial Association. The total collection of the enterprise in rates, for estimate, it is of R$ 765.310,00. In the area, the Sertanópolis possesses only 0,55% of the collection in tax (ICMS), insufficient amount for any incentive in terms of public politics. The interviewees show that, 13,45% were unemployed, 40% receive 2 to 4 minimum wages, 45% live rented home or financed. With the implantation of area for leisure place is possible to creation more 700 workstations, that would occupy additional rural labour.

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    https://dx.doi.org/10.22004/ag...
    Other literature type . 2008
    Data sources: Datacite
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      https://dx.doi.org/10.22004/ag...
      Other literature type . 2008
      Data sources: Datacite
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