6 resultados para Urban areas

em Archivo Digital para la Docencia y la Investigación - Repositorio Institucional de la Universidad del País Vasco


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[EN] Retail activity in urban areas constitutes a key variable in the health of a city. For that reason, the processes of urban revitalization and retail revitalization run in parallel manner. Integrated management models for urban centres constitute a good framework to harness the competitiveness of the cities and their retail businesses, but they require of all implied participation, by means of a public – private cooperation.

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[ES] El medio rural se enfrenta a un grado de envejecimiento muy elevado, mayor aún que el de las ciudades. Las necesidades en materia de atención social se incrementan en estos espacios, situación agravada por la falta de servicios sociales en sus municipios y por su lejanía. Incluso las comunidades rurales próximas a núcleos urbanos de entidad se enfrentan a este problema. En el caso en estudio recogemos la realidad social del medio rural próximo a San Sebastián, caracterizado por un habitante envejecido, un alto grado de dependencia agravado por residir en un hábitat disperso y un problema cuya asunción se atribuye a la mujer de la familia

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[ES] La agricultura desarrollada en la proximidad de los espacios urbanos presenta a menudo unas peculiaridades propias. Entre las actividades observadas habitualmente son las distintas modalidades de producción hortícola las más características, que aportan a estos espacios un auténtico carácter de cinturón hortícola. La cercanía de la ciudad, sin embargo, dificulta el acceso al recurso suelo para unas actividades, las agrarias, que no pueden hacer frente a la especulación urbanística. Con el objeto de promocionar estas funciones se ha apostado en el País Vasco por la creación de polígonos rurales de titularidad pública, que surgen como imitación del industrial pero que, frente a éste, adolece de distintos problemas que ponen en entredicho incluso su continuidad.

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Blowflies are insects of forensic interest as they may indicate characteristics of the environment where a body has been laying prior to the discovery. In order to estimate changes in community related to landscape and to assess if blowfly species can be used as indicators of the landscape where a corpse has been decaying, we studied the blowfly community and how it is affected by landscape in a 7,000 km(2) region during a whole year. Using baited traps deployed monthly we collected 28,507 individuals of 10 calliphorid species, 7 of them well represented and distributed in the study area. Multiple Analysis of Variance found changes in abundance between seasons in the 7 analyzed species, and changes related to land use in 4 of them (Calliphora vomitoria, Lucilia ampullacea, L. caesar and L. illustris). Generalised Linear Model analyses of abundance of these species compared with landscape descriptors at different scales found only a clear significant relationship between summer abundance of C. vomitoria and distance to urban areas and degree of urbanisation. This relationship explained more deviance when considering the landscape composition at larger geographical scales (up to 2,500 m around sampling site). For the other species, no clear relationship between land uses and abundance was found, and therefore observed changes in their abundance patterns could be the result of other variables, probably small changes in temperature. Our results suggest that blowfly community composition cannot be used to infer in what kind of landscape a corpse has decayed, at least in highly fragmented habitats, the only exception being the summer abundance of C. vomitoria.