846 resultados para Rural-urban environments


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This thesis "Entitled performance of district industries centres in kerala :An application of augmented solow model.The first chapter deals with evolution of approaches for promoting small scale production and the growth of small scale industries in india.the developing countries face the problems like sluggish growth capital shortages high levels of unemployment,enoromous rural-urban economic disparities regional inequalities increasing concentration of capital and chronic difficulities in the export sector.Review of literature and methodology of the study are presented in the second chapter. In the third chapter an attempt has been made to make an in-depth study of the emergence and growth of district of district industries centres.In the chapter four an attempt was made to study the organisational structure of DICs functions and responsibilities assigned to the functional managers and performance of the functionaries.

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The major objective of the study is to find out how far the differential location in the socio-economic status and the various interests determine the occupational aspirations of the college students in Ernakulum district. The study gives a detailed picture of the influence of caste and community affiliations, rural-urban background, gender differences and academic achievements on the occupational aspirations of college students. The thesis aims to see how far the economic status of the family is associated with the occupational aspirations of the college youth .The study also throws light on the influence exerted by the occupational and educational standards of the parents on the occupational aspirations of the students and brings out the relation between the occupational aspirations and interests of the college students.

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Man's inadvertent interference with the environment by way of indiscreL¢ industrflflization has led to the deteriorating air quality in the recent times. The search is on to find the remedies to confine the air pollution levels with in their thershold limits. Theoretical studies play A crucial role in the control and for abatment of air pollution. Improper siting of industry is one of the most common reasons for the increased levels of air pollution in urban environments. A proper and effective ecological planning is an essential first step for any region in order to reduce the effects of air pollution. By means of theoretical models one can obtain the pollutant distribution in any urban area, provided the necessary data are available with the help of which the sites for new industries could be suggested, given the emission inventory. Studies on air pollution meteorology serve and aid the planners to initate remedial actions to bring down the levels of pollution and also to out—line the control strategy. In the present thesis some theoretical studies on air pollution meteorology over South India are made. The thesis is divided into six chapters

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The deteriorating air quality especially in urban environments is a cause of serious concern. In spite of being an effective sink, the atmosphere also has its own limitations in effectively dispersing the pollutants being dumped into it continuously by various sources, mainly industries. Many a time, it is not the higher emissions that cause alarming level of pollutants but the unfavourable atmospheric conditions under which the atmosphere is not able to disperse them effectively, leading to accumulation of pollutants near the ground. Hence, it is imperative to have an estimate of the atmospheric potential for dispersal of the substances emitted into it. This requires a knowledge of mixing height, ventilation coefficient, wind and stability of the region under study. Mere estimation of such pollution potential is not adequate, unless the probable distribution of concentration of pollutants is known. This can be obtained by means of mathematical models. The pollution potential coupled with the distribution of concentration provides a good basis for initiating steps to mitigate air pollution in any developing urban area. In this thesis, a fast developing industrial city, namely, Trivandrum is chosen for estimating the pollution potential and determining the spatial distribution of sulphur dioxide concentration. Each of the parameters required for pollution potential is discussed in detail separately. The thesis is divided into nine chapters.

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Urban environmental depletion has been a critical problem among industrialized-transformed societies, especially at the local level where administrative authorities’ capacity lags behind changes. Derived from governance concept, the idea of civil society inclusion is highlighted. Focusing on an agglomerated case study, Bang Plee Community in Thailand, this research investigates on a non-state sector, 201-Community organization, as an agent for changes to improve urban environments on solid waste collection. Two roles are contested: as an agent for neighborhood internal change and as an intermediary toward governance changes in state-civil society interaction. By employing longitudinal analysis via a project intervention as research experiment, the outcomes of both roles are detected portrayed in three spheres: state, state-civil society interaction, and civil society sphere. It discovers in the research regarding agglomerated context that as an internal changes for environmental betterment, 201-Community organization operation brings on waste reduction at the minimal level. Community-based organization as an agent for changes – despite capacity input it still limited in efficiency and effectiveness – can mobilize fruitfully only at the individual and network level of civil society sectors, while fails managing at the organizational level. The positive outcomes result by economic waste incentive associated with a limited-bonded group rather than the rise of awareness at large. As an intermediary agent for shared governance, the community-based organization cannot bring on mutual dialogue with state as much as cannot change the state’s operation arena of solid waste management. The findings confine the shared governance concept that it does not applicable in agglomerated locality as an effective outcome, both in terms of being instrumental toward civil society inclusion and being provocative of internal change. Shared environmental governance as summarized in this research can last merely a community development action. It distances significantly from civil society inclusion and empowerment. However, the research proposes that community-based environmental management and shared governance toward civil society inclusion in urban environmental improvement are still an expectable option and reachable if their factors and conditions of key success and failure are intersected with a particular context. Further studies demand more precise on scale, scope, and theses factors of environmental management operation operated by civil society sectors.

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Los conceptos relacionados con el término comunidad y las relaciones estratégicas comunitarias en el sector agrícola son abordados en este documento. El énfasis que se hace es respecto a la posible unión entre los objetivos de las agroindustrias y de las comunidades donde estas operan. Se propone que las diferentes estrategias comunitarias ya sean coalición, empoderamiento o liderazgo comunitario son implementadas por empresas del sector agrícola para asegurar tanto desarrollo comunitario como la perdurabilidad de la empresa. A través de un estudio descriptivo y tomando una empresa del sector como unidad de análisis se estudiaron las relaciones estratégicas comunitarias implementadas por dicha empresa buscando encontrar la utilidad de las estrategias y el marketing en el sector. Se encontró que la información referente al sector es insuficiente, sin embargo al evaluar la empresa seleccionada como unidad de análisis fue posible percibir como las estrategias de coalición, liderazgo comunitario y empoderamiento permiten no solo el desarrollo de la comunidad local sino que aseguran la permanencia de una empresa competitiva en el mercado. Las estrategias comunitarias lograron una vinculación de valores, cultura e historia entre la empresa y la comunidad que a su vez permitió la unión de intereses y la responsabilidad compartida para el logro de los mismos. Además, hubo una transformación positiva del entorno social donde desempeña las operaciones la empresa del sector agrícola.

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La necesidad de involucrar el concepto de comunidad y sus estrategias con el sector salud, generan el problema de investigación de determinar ¿Cuál es la utilidad de la relación estratégica comunitaria y el marketing en empresas del sector salud? El sector salud ha apartado las actividades relacionales con sus clientes, el cual es caracterizado por la atracción, desarrollo y mantenimiento de relaciones con los clientes. El objetivo de la investigación es determinar cuál es la utilidad de la relación estratégica comunitaria y el marketing en empresas del sector salud y los objetivos específicos son: describir el uso de comunidad e Identificar la utilidad de aplicar las estrategias comunitarias en el sector. La metodología es la investigación y análisis de caso, estudiando una organización relevante dentro del sector salud, anexando fuentes de información secundarias como que aporten a los resultados. El análisis arroja una brecha entre la teoría y la utilización de comunidad, donde la organización la define como sus clientes y empleados. Posteriormente cabe determinar si son aplicadas las estrategias comunitarias por la compañía, donde se encontró que algunas lo son. Al encontrar el uso de estrategias cabe estudiar si generan utilidad a los resultados demostrando que conservar y mejorar relaciones con los clientes es de beneficio para la compañía, sin dejar de atraer nuevos clientes para ampliar las posibilidades de ser una compañía rentable y perdurable. Finalmente se establece un eje estratégico que genere un impacto positivo a la empresa - comunidad para crear relaciones más efectivas y rentables.

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En este trabajo se pretende evaluar la existencia de cambios en la relación entre fecundidad y escolaridad en Colombia para mujeres de 30 a 40 años de edad entre 1995 y 2005. Para tal efecto se utilizan modelos de Poisson sobre la Encuesta Nacional de Demografía y Salud 1995 y 2005. Se encuentra una reducción en la fecundidad durante el periodo y su relación inversa con la escolaridad, que puede ser explicada por el efecto de la educación sobre otras variables como el incremento en el conocimiento sobre los programas de control natal. Se encuentra además que el efecto de culminar un nivel educativo sobre la fecundidad es mayor en 2005 que en 1995. De otro lado, se encuentra que las diferencias entre zonas urbanas y rurales son significativas en la explicación de la fecundidad en Colombia durante la última década.

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La Playa es un sector de la ciudad de Bogotá, donde se encuentra la oferta de músicos informales más grande de Colombia: mariachis, tríos de cuerda y grupos vallenatos. En esta investigación, se analiza la migración de músicos vallenatos provenientes del Caribe colombiano a este sector de la capital del país; se examina el trabajo de estos músicos en La Playa; y se revisa el proceso de consolidación del vallenato como música nacional.

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This thesis theoretically studies the relationship between the informal sector (both in the labor and the housing market) and the city structure.

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Despite an emerging body of work on youth transitions, research has yet to explore the often unconventional routes to adulthood for young people marginalised through poverty. By drawing on interviews with 60 young commercial sex workers in Ethiopia, this paper explores the connections between poverty, migration and sex work and demonstrates that sex work provides a risky alternative, but often successful, path to independence for some rural-urban migrants. The paper concludes by offering recommendations for policies that seek to support young sex workers by enabling them to maintain their independence while seeking different employment.

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Despite an emerging body of work on youth transitions, research has yet to explore the often unconventional routes to adulthood for young people marginalised through poverty. By drawing on interviews with 60 young commercial sex workers in Ethiopia, this paper explores the connections between poverty, migration and sex work and demonstrates that sex work provides a risky alternative, but often successful, path to independence for some rural-urban migrants. The paper concludes by offering recommendations for policies that seek to support young sex workers by enabling them to maintain their independence while seeking different employment.

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Mediterranean species are popular landscape plants in the UK and well suited to the predicted climate change scenarios of hotter, drier summers. What is less clear is how these species will respond to the more unpredictable rainfall patterns also anticipated, where soil water-logging may become more prevalent, especially in urban environments where soil sealing can restrict drainage. Pot experiments on flooding of four Mediterranean species (Cistus × hybridus, Lavandula angustifolia ‘Munstead’, Salvia officinalis and Stachys byzantina) showed that the effects of waterlogging were only severe when the temperature was high and flooding prolonged. All plants survived the flooding in winter, but during the summer a 17-day flood resulted in the death of 30-40% of the Salvia officinalis and Cistus × hybridus. To examine the response of roots to oxygen deprivation over a range of conditions from total absence of oxygen (anoxia), low oxygen (hypoxia) and full aeration, rooted cuttings of Salvia officinalis were grown in a hydroponic-based system and mixtures of oxygen and nitrogen gases bubbled through the media. Anoxia was found to reduce root development dramatically. When the plants were subjected to a period of hypoxia they responded by increasing the production of lateral roots close to the surface thus enabling them to acclimate to subsequent anoxia. This greatly increased their chances of survival.

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The effect of powdery mildew development on photosynthesis, chlorophyll fluorescence, leaf chlorophyll and carotenoid concentrations on three woody plants frequently planted in urban environments was studied. Rates of photosynthetic CO2 fixation were rapidly reduced in two of the three genotypes tested prior to visible signs of infection. Effects on chlorophyll fluorescence (Fo, Fv/Fo, Fv/Fm), leaf chlorophyll and carotenoid content were not manifest until >25 per cent of the leaf area was observed to be covered by mycelial growth indicating reduced photo-synthetic rates during the early stages of infection were not due to degradation of the leaf chloroplast structure. Observation of the fluorescence transient (OJIP curves) showed powdery mildew infection impairs photosynthetic electron transport system by reducing the size but not heterogeneity of the plastoquninone pool, effecting both the acceptor and donor side of photosystem II. Impairment of the photosynthetic electron transport system was reflected by reduced values of a performance index used in this investigation as a measure of photochemical events within photosystem II electron transport. In addition interpretation of the fluorescence data indicated powdery mildew infection may impair the photo-protective process that facilitates the dissipation of excess energy within leaf tissue.

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Vegetation and building morphology characteristics are investigated at 19 sites on a north-south LiDAR transect across the megacity of London. Local maxima of mean building height and building plan area density at the city centre are evident. Surprisingly, the mean vegetation height (zv3) is also found to be highest in the city centre. From the LiDAR data various morphological parameters are derived as well as shadow patterns. Continuous images of the effects of buildings and of buildings plus vegetationon sky view factor (Ψ) are derived. A general reduction of Ψ is found, indicating the importance of including vegetation when deriving Ψ in urban areas. The contribution of vegetation to the shadowing at ground level is higher during summer than in autumn. Using these 3D data the influence on urban climate and mean radiant temperature (T mrt ) is calculated with SOLWEIG. The results from these simulations highlight that vegetation can be most effective at reducing heat stress within dense urban environments in summer. The daytime average T mrt is found to be lowest in the densest urban environments due to shadowing; foremost from buildings but also from trees. It is clearly shown that this method could be used to quantify the influence of vegetation on T mrt within the urban environment. The results presented in this paper highlight a number of possible climate sensitive planning practices for urban areas at the local scale (i.e. 102- 5 × 103 m).