3 resultados para SHARED EPITOPE

em Galway Mayo Institute of Technology, Ireland


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There is considerable interest in alcohol in Irish society, yet minimal sociologcial understanding of its consumption, particularly of the sites where most drinking occurs: the country's 8750 pubs. Despite widespread public discussions on the role of the pub, there is scant social science evidence to better inform debate. Pubs are central to Irish community and are key sites of social interaction. American sociologist Ray Oldenburg has argued that "third places" (neither workplace nor home) are crucial to the maintenance of the community and the enhancement of social capital. According to Oldenburg, the role of the third place in the community is to provide continuity, regularity, a sense of place - all of which conceptually contribute to the construction of the self, the projection of the self within the public sphere, the distribution of social capital and the generation of a collective identity. The pub is the archetypal third place, but Oldenburg is concerned that modern pubs are less able to provide this vital function. Social scientists have suggested that community is in a state of fragmentation and decline due to changes in modes of social interaction and a decrease in shared spaces, resulting in a weakened connection to place. Community without propinquity has been characterised by social alienation, fragmentation and what Oldenburg refers to as the "problem of place" (13). Third places, and thus the Irish pub, have been particularly affected. In order to increase the sociological knowledge of the pub in Ireland, this project critically engages with the pub to assess the importance that public drinking houses have in the everyday. Moreover, this research sets out to investigate the people/place relationship using the pub as an investigative lens and examine the ways in which people shape place, place shapes people and how that relationship is implicated in the construction of irish identities. Furthermore, this is also an articulation of a cultural shift within Ireland and Irish places whose effects are deep and multi-layered. This project aims to explore the development of the contemporary geography of identity as the irish pub as a third place is transformed or disappears from the social landscape.

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This project focuses on the EU Landfill Directive targets for Biodegradable Municipal Waste (BMW) specifically focusing on how the targets will affect Ireland and its waste management infrastructure. Research will consist of reviewing relevant literature, legislation and policies that will provide a comparable between Ireland and other nations. Planning processes which govern both the building structure and running capacities of treatment facilities is also necessary in order to predict amounts of waste diverted from landfill. The efficiency of these treatment plants also requires investigation. Another objective is to research further information on Irelands organic ‘brown’ bin service, this will involve discovering the roll out of bins in the future over a defined time scale as well as the potential amounts of waste that will be collected. Figures received from waste management and waste treatment companies will be combined with figures from the Environmental Protection Agency’s (EPA) annual reports. This will give an indication to past trends and shed light on possible future trends. With this information annul waste volumes consigned to landfill can be calculated and used to determine whether or not Ireland can achieve the EU Landfill Directive targets. Without significant investment in Irelands waste management infrastructure it is unlikely that the targets will be met. Existing waste treatment facilities need to be managed as efficiently as possible. Waste streams must also be managed so waste is shared appropriately between companies and not create a monopolising waste treatment facility. The driving forces behind an efficient waste management infrastructure are government policy and legislation. An overall and efficient waste management strategy must be in place, along with disincentives for landfilling of waste such as the landfill levy. Encouragement and education of the population is the fundamental and first step to achieving the landfill directive targets.

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Mussel populations on the Irish Atlantic coast comprise an interbreeding mixture of the blue mussel, Mytilus edulis (L.) and the Mediterranean mussel, Mytilus galloprovincialis (Lmk.). The occurrence of hybrid genotypes varies between sites but can be as high 80%. This study compares the reproductive cycle of M. edulis, M. galloprovincialis and their hybrids to determine if the extensive hybridisation observed at Irish Atlantic coast sites is linked to spawning synchrony between the two taxa. Mussels (40-45 mm size class) were collected monthly from a sheltered shore in Galway Bay from January to December 2005. Two major spawning events (March- June and September-October) were observed and gametogenesis took place throughout the year. The spawning cycles of the three taxa were largely overlapping. Small differences were observed in the timing of peak spawning which occurred in March and October in M. galloprovincialis and in May-June and September in M.edulis. Spawning of hybrid individuals was intermediate between the parental genotypes. Fecundity was slightly higher in M. galloprovincialis females compared to the other taxa (up to 30% difference, p<0.05). This apparent advantage is not shared by the sexes and is likely being offset by high numbers of hybrid genotypes releasing gametes during peak spawning of M. galloprovincialis. There was no evidence for increased mortality in hybrid males; sex ratios did not deviate from the 1:1 ratio. The results show that in this region of the hybrid zone the timing of reproduction does not present a barrier to gene flow between M. edulis and M. galloprovincialis. Nonetheless, small differences in the timing of peak spawning may increase the likelihood of conspecific fertilisation at certain times of the year. Hybrids outnumber the parental genotypes, undergo complete gametogenesis and show no evidence of depressed fitness (i.e. hybrids are reproductively competent suggesting a high degree of introgression.