789 resultados para Forest management -- Catalonia -- Maçanet de la Selva


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The first section of this paper summarises the most relevant charateristics of the contemporary tourist model, also called postfordist or postmodernist. In the second part the traditional tourist model developed in the Costa Brava in the past decades, is reviewed. Emphasising the saturation of tourist facilities on the coast line, expansive urban growth, thanks to a tolerant administration, poor complementary supply and concentrated demand in few markets and the proximity of Barcelona conurbation, stressed by second homes. In the third section, some strategies developed in recent years to readapt the Costa Brava to the new tendencies in tourism, are presented. Incorporation of the inland to the tourist product, new planning policics, lessening urban densities and height, and a change in mind in favour of protected natural areas, diversification of demand with new markets, specially form Eastern Europe (although this might be considered as a continuation of the traditional tourist model) and the emergence of local strategies oriented towards the creation of new tourist products based upon natural and cultural resources

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L' any 1992, aprofitant les Olimpíades de Barcelona, és l'any en què a Talteüll hi tenen també lloc diferents esdeveniments com la inauguració del nou Museu de Prehistòria de Talteüll i la realilzació d'un cicle de conferències sobre la història de Catalunya

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Es fa una breu aproximació als trets més representatius que caracteritzen la geografía humana de la Serra de les Salines i d'alguns dels canvis mes significatius que ha experimentat aquesta área de l' interior de l'Alt Empordá durant el darrer segle

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Article dedicat a les colònies d'estiuejants de final del segle XIX i primeres dècades del XX a la comarca de la Selva

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Descripció del material arqueològic trobat a la Cova s' Espasa, al municipi d'Oix, situada en un penyasegat a l'esquerra de la Riera d'Oix

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Crònica de la Jornada titulada 'L'home i la muntanya' organitzada el 30 de novembre de 1992 pel Museu Etnològic del Montseny per parlar de la interrelació entre home i natura, tot prenent com a marc referencial la muntanya del Montseny

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Ressenya del llibre 'El sindicalisme forestal dins del moviment obrer català: els roders' de Roger Zamorano, publicat l' any 2000 pel Museu Etnològic del Montseny. Estudi que reconstrueix la trajectòria del moviment associatiu dels roders de la comarca de la Selva (interior) des de final del segle XIX fins a la Guerra Civil del 1936 en base documentació escrita o oral

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S’analitza la formació de la ‘Pedra Alta’, a Sant Feliu de Guíxols, a partir de les característiques morfològiques, macroscòpiques, microscòpiques i tectòniques

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Catalan volcanic field, in Iberian Peninsula Northeast, has been made during Neogene and Quaternary. It is made up Empordà, la Selva and la Garrotxa Zones, the best volcanic morphology is in the last one because is the most recent. In this paper we explain the volcanic rocks general characteristics, what eruption activity generate it and the final volcanic edifice morphology. Finally, we propose some crops to visit

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Starting from the discovery of a cheek-booth Dinotherium giganteum KAUP in the river Oñar in Gerona we can consider that the Miocene formations of La Selva expand up to this area

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Atmospheric downwelling longwave radiation is an important component of the terrestrial energy budget; since it is strongly related with the greenhouse effect, it remarkably affects the climate. In this study, I evaluate the estimation of the downwelling longwave irradiance at the terrestrial surface for cloudless and overcast conditions using a one-dimensional radiative transfer model (RTM), specifically the Santa Barbara DISORT Atmospheric Radiative Transfer (SBDART). The calculations performed by using this model were compared with pyrgeometer measurements at three different European places: Girona (NE of the Iberian Peninsula), Payerne (in the East of Switzerland), and Heselbach (in the Black Forest, Germany). Several studies of sensitivity based on the radiative transfer model have shown that special attention on the input of temperature and water content profiles must be held for cloudless sky conditions; for overcast conditions, similar sensitivity studies have shown that, besides the atmospheric profiles, the cloud base height is very relevant, at least for optically thick clouds. Also, the estimation of DLR in places where radiosoundings are not available is explored, either by using the atmospheric profiles spatially interpolated from the gridded analysis data provided by European Centre of Medium-Range Weather Forecast (ECMWF), or by applying a real radiosounding of a nearby site. Calculations have been compared with measurements at all sites. During cloudless sky conditions, when radiosoundings were available, calculations show differences with measurements of -2.7 ± 3.4 Wm-2 (Payerne). While no in situ radiosoundings are available, differences between modeling and measurements were about 0.3 ± 9.4 Wm-2 (Girona). During overcast sky conditions, when in situ radiosoundings and cloud properties (derived from an algorithm that uses spectral infrared and microwave ground based measurements) were available (Black Forest), calculations show differences with measurements of -0.28 ± 2.52 Wm2. When using atmospheric profiles from the ECMWF and fixed values of liquid water path and droplet effective radius (Girona) calculations show differences with measurements of 4.0 ± 2.5 Wm2. For all analyzed sky conditions, it has been confirmed that estimations from radiative transfer modeling are remarkably better than those obtained by simple parameterizations of atmospheric emissivity.

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En el contexto de la revolución y la Guerra civil española se desarrolló en las comarcas de Girona un proceso colectivista agrario protagonizado principalmente por jornaleros, payeses sin tierra suficiente (en propiedad o arrendada) para vivir de ella y algunos pequeños y medianos propietarios o arrendatarios. La colectivización agraria en la región, cobijada bajo las siglas de la Confederación Nacional del Trabajo (CNT), afecto principalmente a las grandes fincas o mansos y, en función de factores locales, económicos, sociales y políticos, tuvo una tipología diferenciada y un desarrollo desigual. Los sucesos de mayo de 1937 marcaron el punto de inflexión de la acción colectivista y desencadenaron su progresiva decadencia. Claramente minoritaria frente al reparto de la tierra y la explotación familar de la misma, la opción colectivista, básicamente voluntaria, aunque fracasó como alternativa al modelo de producción y distribución capitalista, intentó establecer unas relaciones sociales basadas en la igualdad económica y en la libertad individual, y fue el referente claro del proceso revolucionario en el campo. FASES: -Julio-octubre 1936: incautación de los medios de producción agraria y constitución de las colectividades. -octubre 1936-abril 1937:participación gubernamental de la CNT, paulatina recomposición del estado y progresivo aislamiento de las colectividades. -Mayo 1937 en adelante fase de decadencia caracterIzada por el ataque legal y político contra las colectividades. -En las comarcas de L'Alt Emporda, el Baix Emporda, La Garrotxa, el Gironès y la Selva (región de Girona) no hubo ningún ataque armado explicito contra las colectividades agrarias.

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Qu’est-ce que la qualité au juste ? • Une catégorie esthétique qui relève du goût, toujours relatif ? • Une marque de commerce certifiant la fiabilité du produit, exposé à la contrefaçon ? • Une règle de déontologie appliquée à toute production humaine s’évaluant , aujourd’hui, par le service rendu, par la satisfaction du client, par la fidélisation de celui-ci ? • Le degré d’habilité technique ou professionnelle de l’artisan ? • Un jugement de valeur partagé entre l’objectivité et la subjectivité ? • Une mise en boîte brevetée ?

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Changes in mature forest cover amount, composition, and configuration can be of significant consequence to wildlife populations. The response of wildlife to forest patterns is of concern to forest managers because it lies at the heart of such competing approaches to forest planning as aggregated vs. dispersed harvest block layouts. In this study, we developed a species assessment framework to evaluate the outcomes of forest management scenarios on biodiversity conservation objectives. Scenarios were assessed in the context of a broad range of forest structures and patterns that would be expected to occur under natural disturbance and succession processes. Spatial habitat models were used to predict the effects of varying degrees of mature forest cover amount, composition, and configuration on habitat occupancy for a set of 13 focal songbird species. We used a spatially explicit harvest scheduling program to model forest management options and simulate future forest conditions resulting from alternative forest management scenarios, and used a process-based fire-simulation model to simulate future forest conditions resulting from natural wildfire disturbance. Spatial pattern signatures were derived for both habitat occupancy and forest conditions, and these were placed in the context of the simulated range of natural variation. Strategic policy analyses were set in the context of current Ontario forest management policies. This included use of sequential time-restricted harvest blocks (created for Woodland caribou (Rangifer tarandus) conservation) and delayed harvest areas (created for American marten (Martes americana atrata) conservation). This approach increased the realism of the analysis, but reduced the generality of interpretations. We found that forest management options that create linear strips of old forest deviate the most from simulated natural patterns, and had the greatest negative effects on habitat occupancy, whereas policy options that specify deferment and timing of harvest for large blocks helped ensure the stable presence of an intact mature forest matrix over time. The management scenario that focused on maintaining compositional targets best supported biodiversity objectives by providing the composition patterns required by the 13 focal species, but this scenario may be improved by adding some broad-scale spatial objectives to better maintain large blocks of interior forest habitat through time.