838 resultados para Ecossistema mediático


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Este estudio tiene como objetivo encontrar las ideologías y las concepciones ocultas sobre las personas latinas en la publicidad televisiva finlandesa. Las hipótesis planteadas del análisis incluyen las siguientes: que el uso de la lengua española en los anuncios bajo análisis tiene el fin de crear una imagen estereotipada, exótica, pero a la vez peyorativa de los latinos, y reforzar la impresión ya anteriormente conocida de ellos como inferiores a la élite blanca, con carácter temperamental y apasionado; como personas despreocupadas y descuidadas, hasta deshonestas en que no se puede confiar. La fundación teorética y metodológica del trabajo reside en el Análisis Crítico del Discurso (ACD) y el análisis crítico semiótico de las imágenes. Pretende encontrar las construcciones ideológicas discriminadoras que se reproducen a través del discurso mediático en forma de los temas y, ante todo los tópicos. Con los tópicos se refiere a temas de nivel más abstracto que los que aparecen explícitamente en los textos. El vínculo lingüístico es de la teoría de apropiación lingüística de elementos de la lengua española al inglés, llamada el Mock Spanish, pero en este estudio se aplica al finés. El análisis propone demostrar qué tipo de ideologías y actitudes se tratan de comunicar realmente en los textos. La parte semiótica del análisis de los signos observa el material empírico con el fin de averiguar las relaciones sociales de poder que se transmiten en las imágenes. Las imágenes contienen mensajes sobre el contexto y la distancia social que pueden ser descifrados analizando, por ejemplo, los ángulos de la cámara y la posición del fotógrafo en relación con el objeto de la fotografía. El material del análisis empírico se consiste en seis anuncios televisivos, estrenados en los canales de televisión pública finlandesa entre los años 2008 y 2016. La selección de los mismos fue realizada según el hecho de que todos emplean principalmente el español como lengua hablada y están subtitulados en finés. En unos se han escogido actores hablantes nativos y en otros finlandeses, pero todos los actores utilizan el español en sus réplicas, y solo la parte informativa al final del anuncio está en finés. Todas las compañías, productores de los productos promocionados, menos Lidl, recalcan ser finlandesas, aunque, por ejemplo, en el caso de dos empresas, son consorcios multinacionales, sociedades anónimas, y sus propietarios extranjeros. El nacionalismo forma parte esencial de la imagen que desean ofrecer para el público.

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Em uma formação de restinga na Ilha do Mel, Paranaguá-PR, foram avaliadas, mensalmente, a serapilheira produzida e a acumulada, em quadrados de 0,25 m², durante um ano (julho/1996-junho/1997). A decomposição, mensal e anual, foi estimada, indiretamente, pela razão entre serapilheira produzida e acumulada. A produção anual de serapilheira de 5,1 t.ha-1 encontra-se no limite inferior aos obtidos em outras florestas tropicais, e decorre, provavelmente, do solo arenoso e pobre em nutrientes. A produção e a decomposição foram sazonais, mais intensa durante o período mais quente e chuvoso, estando relacionadas, principalmente, à temperatura. O pequeno acúmulo de serapilheira (5,5t.ha-1.ano -1), e a ausência de variações mensais significativas neste compartimento denotam o sincronismo entre estes processos, que, aliado a taxa de decomposição anual relativamente baixa (kL = 0,92), representa grande valor adaptativo para o ecossistema, pois, pode minimizar as perdas por lixiviação e permitir um melhor aproveitamento dos nutrientes e água disponíveis momentaneamente. Tais mecanismos, bem como o caráter perenifólio das espécies, escleromorfia, e uma rede de raízes superficiais, possibilitam o desenvolvimento da comunidade vegetal sob as condições oligotróficas do solo. Estes, além do clima, parecem exercer uma forte influencia na determinação dos padrões de produção e decomposição da serapilheira.

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Tese para a obtenção do grau de Doutor em Arquitectura com especialidade de Tecnologia e Gestão da Construção, apresentada na Universidade de Lisboa - Faculdade de Arquitectura.

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Dissertação de Mestrado, Engenharia Biológica, Faculdade de Ciências e Tecnologia, Universidade do Algarve, 2014

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Dissertação de Mestrado, Ecohidrologia - Erasmus Mundus, Faculdade de Ciências e Tecnologia, Universidade do Algarve, 2014

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Tese de dout. em Ciências do Mar, Instituto de Investigação das Pescas e do Mar, Univ. do Algarve, 1996

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Dissertação de Mestrado, Economia do Turismo e Desenvolvimento Regional, Faculdade de Economia, Universidade do Algarve, 2016

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2008

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En una etapa especialmente convulsa para la prensa escrita y su modelo de negocio por los efectos de la crisis y el impacto de las nuevas tecnologías, la presente tesis indaga sobre algunas consecuencias que se observan en el comportamiento de los diarios de calidad. El punto de partida medirá la influencia en la determinación de la agenda informativa de cuatro diarios de pago las informaciones que suministran los gobiernos central, autonómico y locales. Los resultados servirán para profundizar en las rutinas profesionales, el uso de las fuentes en relación a las noticias fabricadas por los gabinetes de comunicación y, en general, la calidad de los contenidos que se difunden. Elementos sobre los que gravita la credibilidad. El trabajo pretende contrastar con datos algunas de las percepciones negativas que envuelven e ejercicio de periodismo en España, analizar las posibles causas que se encuentran detrás de ese deterioro y reflejar el sentir de los profesionales y académicos que analizan y afrontan en estos últimos años la evolución de los también denominados periódicos de referencia. Para el desarrollo de esta tesis se ha realizado un análisis cuantitativo de las informaciones publicadas en las secciones más significativas de El País y El Mundo, los dos periódicos de referencia de mayor difusión de España y Sur y Málaga Hoy, diario líder de la provincia de Málaga y uno de los últimos rotativos en papel que han nacido en España. Con la elección se busca estudiar analogías y diferencias en los comportamientos entre rotativos de ámbito nacional y provincial, en los que respecta a la difusión a través de sus páginas de noticias procedentes de la Comunicación de la Administración. La muestra utilizada para el trabajo de campo fueron las noticias publicadas por los cuatro periódicos durante una semana a lo largo de los doce meses del año 2010, en un muestreo aleatorio sistemático. Los resultados se han complementado con un análisis cualitativo en 2015, mediante la fórmula de panel de expertos, con un cuestionario idéntico y una selección vía muestreo opinático, con 28 participantes. Prácticamente la mitad de ellos son directores de periódicos. El resto de los participantes, decanos de media docena de facultades de Ciencias de la Información y la Comunicación de España y académicos estudiosos sobre la materia. Como conclusiones, el análisis cuantitativo revela el excesivo peso de la presencia de los gobiernos en las informaciones principales de secciones como España y Andalucía, así como la facilidad de los gabinetes de prensa de la Administración para condicionar la agenda. El estudio cuantitativo refleja la convicción de la gran mayoría de los participantes de que se da un abuso de información oficial que impacta sobre la credibilidad. Bibliografía. Canel, M.J. Comunicación Política. 2006. Diezhandino, M.P. El periodista en la encrucijada.2012. Cerezuelo B. Periodistas, empresas e instituciones. 2006. Díaz Nosty, B. El déficit mediático. 2005. Vázquez, M.A. Periodismo de declaraciones 2005. Tuchman, G. La producción de la noticia. 1983

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A extração de palmito da pupunha, na região Sul do estado da Bahia, vem gerando grande quantidade de derivados, que podem ser uma alternatia de alimentação para os ruminantes na forma de silagem. Podendo, assim, solucionar o destino desses co-produtos e, desta forma, gerar tecnologias voltadas para o uso sustentável dos recursos naturais associados ao ecossistema regional. O objetivo do trabalho foi avaliar o perfil fermentativo das silagens do co-produto agroindustrial da extração do palmito da pupunha in natura, aditivada com torta de dendê (10% do peso verde) e emurchecida. Utilizou-se silos PVC com 10 cm de diâmetros x 40 cm de comprimento. As aberturas dos silos ocorreram aos 1, 3, 5, 7, 14, 28 e 56 dias após a ensilagem. Os valores de pH não apresentaram diferença significativa (P>0,05) entre os tratamentos tendo como média (3,82) no dia 56, no entanto esses valores apresentaram padrão de mudança cúbica ao longo dos dias com o valor mínimo sendo atingido no dia 14 para todos os tratamentos. A adição da torta de dendê na silagem elevou os teores de MS (21,06%) e PB (7,79%), reduziu os valores de N-NH3/NT (3,73%) e de perda de MS (0,82) apresentando diferença significativa (P<0,05) para os demais tratamentos. A silagem do co-produto da extração do palmito da pupunha aditivada com torta de dendê melhorou os parâmetros de fermentação e o valor de PB. podendo ser uma alternativa para alimentação dos ruminantes.

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On Rio Grande do Norte northern coast the process of sediment transport are intensely controlled by wind and sea (waves and currents) action, causing erosion and shoreline morphological instability. Due to the importance of such coastal zone it was realized the multi-spectral mapping and physical-chemical characterization of mudflats and mangroves aiming to support the mitigating actions related to the containment of the erosive process on the oil fields of Macau and Serra installed at the study area. The multi-spectral bands of 2000 and 2008 LANDSAT 5 TM images were submitted on the several digital processing steps and RGB color compositions integrating spectral bands and Principal Components. Such processing methodology was important to the mapping of different units on surface, together with field works. It was possible to make an analogy of the spectral characteristics of wetlands with vegetations areas (mangrove), showing the possibility to make a restoration of this area, contributing with the environmental monitoring of that ecosystem. The maps of several units were integrated in GIS environment at 1:60,000 scale, including the classification of features according to the presence or absence of vegetation cover. Thus, the strategy of methodology established that there are 10.13 km2 at least of sandy-muddy and of these approximately 0.89 km2 with the possibility to be used in a reforestation of typical flora of mangrove. The physical-chemical characterization showed areas with potential to introduce local species of mangrove and they had a pH above neutral with a mean of 8.4. The characteristic particle size is sand in the fine fractions, the high levels of carbonate, organic matter and major and trace element in general are concentrated where the sediment had the less particles size, showing the high correlation that those elements have with smaller particles of sediment. The application of that methodological strategy is relevant to the better understanding of features behavior and physical-chemical data of sediment samples collected on field allow the analysis of efficiency/capability of sandy-muddy to reforestation with local mangrove species for mitigation of the erosive action and coastal processes on the areas occupied by the oil industry

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Among the various effects caused by the climate change and human intervention, the mangrove ecosystem changes through of the years has been worth mentioning, which hasn t known which are the pros and cons for the adjacent coastal and estuarine environments yet. It happens due to the present dynamism in these areas, besides of the difficult understanding of the processes associated with evolution. This study aimed to environmentally evaluate adjacent mangroves from the Macau and Serra oil fields, located on Rio Grande do Norte northern coast, to support the mitigating actions related to the containment of the erosive process, as well as, according to the principles of the Clean Development Mechanism (CDM), to assess the amount of atmospheric carbon sequestered by the studied ecosystem. An inventory was conducted through mangrouve mapping which has supplied this research, especially regarding to the structural characterization of mangrove areas. To understand the local mangrove behavior in a greater level detail, techniques of remote sensing, GIS and GPS were used to make an analogy between the current and past states of the mangrove studied, allowing to make anticipated projections for the future impacts or changes in that region. This study combined data from multispectral LANDSAT 5 TM, Landsat 7 ETM+ with radar microwave data from SAR RADARSAT-1, which increased the interpretation capacity of the data from optical sensor systems. The interpretations have been supported by the data field, representing a better and innovative methodology for the environmental and taxonomic characterization of mangrove forests considered. The results reveal that mangroves of the Ponta do Tubarão Sustainable Development Reserve are biologically representative areas and providing a variety of benefits, especially for local communities, constituting the priority sites for actions development aimed at conservation. They also have been showing the necessity to make mitigating measures in order to recover degraded areas through reforestation or creating new areas of mangrove, as currently 7.1% of the mangrove forests studied are dead or in an advanced state of decomposition. The amount of atmospheric carbon sequestered proved very significant when analyzed for the whole area, which is able to sequester atmospheric 4,294,458 Ton CO2 per year

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This work presents the results of a survey in oil-producing region of the Macau City, northern coast of Rio Grande do Norte. All work was performed under the Project for Monitoring Environmental Change and the Influence of Hydrodynamic forcing on Morphology Beach Grass Fields, Serra Potiguar in Macau, with the support of the Laboratory of Geoprocessing, linked to PRH22 - Training Program in Geology Geophysics and Information Technology Oil and Gas - Department of Geology/CCET/UFRN and the Post-Graduation in Science and Engineering Oil/PPGCEP/UFRN. Within the economic-ecological context, this paper assesses the importance of mangrove ecosystem in the region of Macau and its surroundings as well as in the following investigative exploration of potential areas for projects involving reforestation and / or Environmental Restoration. At first it was confirmed the ecological potential of mangrove forests, with primary functions: (i) protection and stabilization of the shoreline, (ii) nursery of marine life, and (iii) source of organic matter to aquatic ecosystems, (iv) refuge of species, among others. In the second phase, using Landsat imagery and techniques of Digital Image Processing (DIP), I came across about 18,000 acres of land that can be worked on environmental projects, being inserted in the rules signed the Kyoto Protocol to the market carbon. The results also revealed a total area of 14,723.75 hectares of activity of shrimp production and salting that can be harnessed for the social, economic and environmental potential of the region, considering that over 60% of this area, ie, 8,800 acres, may be used in the planting of the genus Avicennia considered by the literature that the species best sequesters atmospheric carbon, reaching a mean value of 59.79 tons / ha of mangrove

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Recent studies concerning the landscape have investigated the most important activities that contribute for its modification and have tried to better understand the society through the marks left by its quotidian. It is understood that singular landscapes constitute the cultural patrimonies of the cities, once they are part of the daily life of the citizens and are present in their social representations. Some contemporary authors defend the preservation of the natural and urban landscape trying, specially, to keep its importance for the local population. Natal is a city where the ambient qualities are well defined and known by the beauty of the area where it is located. Situated just between a river and the sea, the city grew following its geographic characteristics. The Potengi River, the Atlantic Ocean and the vast dunes ecosystem represented natural limits to the urban expansion; at the same time they have favored the development of a landscape pattern marked by the dialectic between the natural elements and the human interventions. However, this relationship changed after the intensification of the high rising development process that took place since the 1960s. The urban legislation tried to preserve the features of the local landscape delimiting Areas for Controlling Building High , destined to protect the scenic value of some parts of the city. On the other hand, the civil construction sector has made constant pressure in sense to abolish or to modify this legal instrument, aiming profits that have increased, in the 1990s, because of the consumption and the qualification of the urban space for tourist activities. It is necessary the raising of new elements to stimulate the quarrel about the landscape preservation, the process of the urban space production and the best way for the legislation implementation. This work tries to raise elements about the subject at local level, in sense to use Natal City experience to contribute for the formulation of indicators to raise the question about the lack of measure for subjective values, for example the cultural and affective value of the landscape. The natural elements inserted in the urban profile, represent strong visual references and supply identity to the town; they are part of the collective imaginary and are detached in the social context of the city. Then, why the preservation of the landscape, that estimates the improvement in the quality of life, is not enough to justify the controlling building high already previewed as part of Natal City Legislation? These questions send us to the approach of the landscape, as a community patrimony, alerting that some of its significant esthetics attributes must be preserved as a legacy for the future generations