862 resultados para Tell
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While the geopolitics of the Ukraine crisis have dominated headlines, little attention has been paid to the potential challenges arising from the movement of people from the region to the EU. Yet recent history should tell us this could be a grave oversight. As we witnessed during the Arab Spring in 2011, political upheaval can result in people fleeing their state in fear of persecution or seeking to leave their state in search of new horizons and economic opportunities. The EU would do well to learn from that experience and the policy failures that resulted from the Union’s response of closing its borders and returning people to Africa. This Commentary argues that it is critical that – independently of the still uncertain outcome of the Ukraine crisis – the EU formulates and implements a credible policy strategy addressing the potential impact and benefits of mobility between Ukraine and the EU.
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A growing body of research focuses on the expanding roles of NGOs in global and supranational governance. The research emphasizes the increasing number of participation patterns of NGOs in policymaking and cross-national cooperation. It has produced important insights into the evolving political role of NGOs and their growing involvement in governance. The focus on activities at a transnational level has, however, lead to the virtual exclusion of research on other levels of governance. It has not been possible to tell whether the locus of their political activity is shifting from the national to the transnational environment, or whether it is simply broadening. Missing from the literature is an examination of the variety of cooperative relationships, including those between NGOs, which impact policy involvement across different levels of governance. To bridge this gap, I address two key questions: 1) Is the strategy of cooperation among NGOs a common feature of social movement activity across levels of governance, and if so, what does the structure of cooperation look like? 2) What impact, if any, does cooperation have on the expanding political involvement of NGOS, both within and across levels of governance? Using data from an original survey of migrant and refugee organizations across much of Europe, I test several hypotheses that shed light on these issues. The findings broadly indicate that 1) Cooperation is a widely-used strategy across levels of governance, 2) Cooperation with specific sets of actors increases the likelihood of NGO involvement at different levels of governance. Specifically, cooperation with EU-level actors increases the likelihood of national-level involvement, and 3) NGOs are more likely to extend their involvement across a range of institutions if they cooperate with a broad range of actors.
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A partir de tres ejemplos, En salvaje compañía (1994), El lápiz del carpintero (1998) y Los libros arden mal (2006), esta contribución pretende determinar la función de 'lo fantástico' en las novelas de Manuel Rivas, con respecto a la memoria cultural de un evento traumático como la Guerra Civil y el franquismo. La argumentación parte de la hipótesis de que lo 'real maravilloso gallego' ofrece una estruc-tura particularmente apta para hablar de la Guerra Civil al darles a los muertos un espació ficticio de acción.
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This paper describes inter-specific differences in the distribution of sediment in the gut compartments and in the enzyme and bacterial profiles along the gut of abyssal holothurian species - Oneirophanta mutabilis, Psychropotes longicauda and Pseudostichopus villosus sampled from a eutrophic site in the NE Atlantic at different times of the year. Proportions of sediments, relative to total gut contents, in the pharynx, oesophagus, anterior and posterior intestine differed significantly in all the inter-species comparisons, but not between inter-seasonal comparisons. Significant differences were also found between the relative proportions of sediments in both the rectum and cloaca of Psychropotes longicauda and Oneirophanta mutabilis. Nineteen enzymes were identified in either gut-tissue or gut-content samples of the holothurians studied. Concentrations of the enzymes in gut tissues and their contents were highly correlated. Greater concentrations of the enzymes were found in the gut tissues suggesting that they are the main source of the enzymes. The suites of enzymes recorded were broadly similar in each of the species sampled collected regardless of the time of the year, and they were similar to those described previously for shallow-water holothurians. Significant inter-specific differences in the gut tissue concentrations of some of the glycosidases suggest dietary differences. For example, Psychropotes longicauda and Pseudostichopus villosus contain higher levels of chitobiase than Oneirophanta mutabilis. There were no seasonal changes in bacterial activity profiles along the guts of O. mutabilis and Pseudostichopus villosus. In both these species bacterial activity and abundance declined between the pharynx/oesophagus and anterior intestine, but then increased along the gut and became greatest in the rectum/cloaca. Although the data sets were more limited for Psychropotes longicauda, bacterial activity increased from the anterior to the posterior intestine but then declined slightly to the rectum/cloaca. These changes in bacterial activity and densities probably reflect changes in the microbial environment along the guts of abyssal holothurians. Such changes suggest that there is potential for microbial breakdown of a broader range of substrates than could be otherwise be achieved by the holothurian itself. However, the present study found no evidence for sedimentary (microbial) sources of hydrolytic enzymes.
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Hydrogen isotope values (dD) of sedimentary terrestrial leaf wax such as n-alkanes or n-acids have been used to map and understand past changes in rainfall amount in the tropics because dD of precipitation is commonly assumed as the first order controlling factor of leaf wax dD. Plant functional types and their photosynthetic pathways can also affect leaf wax dD but these biological effects are rarely taken into account in paleo studies relying on this rainfall proxy. To investigate how biological effects may influence dD values we here present a 37,000-year old record of dD and stable carbon isotopes (d13C) measured on four n-alkanes (n-C27, n-C29, n-C31, n-C33) from a marine sediment core collected off the Zambezi River mouth. Our paleo d13C records suggest that each individual n-alkanes had different C3/C4 proportional contributions. n-C29 was mostly derived from a C3 dicots (trees, shrubs and forbs) dominant vegetation throughout the entire record. In contrast, the longer chain n-C33 and n-C31 were mostly contributed by C4 grasses during the Glacial period but shifted to a mixture of C4 grasses and C3 dicots during the Holocene. Strong correlations between dD and d13C values of n-C33 (correlation coefficient R2 = 0.75, n = 58) and n-C31 (R2 = 0.48, n = 58) suggest that their dD values were strongly influenced by changes in the relative contributions of C3/C4 plant types in contrast to n-C29 (R2 = 0.07, n = 58). Within regions with variable C3/C4 input, we conclude that dD values of n-C29 are the most reliable and unbiased indicator for past changes in rainfall, and that dD and d13C values of n-C31 and n-C33 are sensitive to C3/C4 vegetation changes. Our results demonstrate that a robust interpretation of palaeohydrological data using n-alkane dD requires additional knowledge of regional vegetation changes from which nalkanes are synthesized, and that the combination of dD and d13C values of multiple n-alkanes can help to differentiate biological effects from those related to the hydrological cycle.
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"Prepared by Prof. Tell W. Nicolet."--p. [3].
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Photocopy, Ann Arbor, Mich., University Microfilms International, 1976.
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v. 1. Caius Gracchus. Virginius. William Tell. Alfred the Great. The hunchback.--v. 2. The wife. The beggar of Bethnal Green. The daughter. The love-chase. Woman's wit.--v. 3. The maid of Mariendorpt. Love. John of Procida. Old maids. The rose of Arragon.
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Livr. [44] without t.p. and preliminary commentaries.
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"Dedicated to the Hon. Spencer Lyttelton, C.B."