924 resultados para Threat categories


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In the last decade irregular immigration has emerged as a “security” challenge (in the language of International Relations military “threat”) in the Mediterranean region particularly in the central, sub-region1. The designation of this issue as a “security challenge” or “threat” is itself controversial and will be discussed further down. This paper focuses on the situation in the central Mediterranean involving mainly four countries namely Italy, Libya, Malta and Tunisia all of which have long standing historic links and bilateral relations and participate in the so called “5+5” Dialogue in the Western Mediterranean. Two of these Central Mediterranean countries (Italy, Malta) are EU member states and Tunisia has a long standing relationship with the EU [Association Agreement, Barcelona Process (EMP), Neighbourhood Policy (ENP), Union for the Mediterranean (UfM)] while Libya so far has no formal relations at all with the EU. This paper analyses some of the aspects of migration in the central Mediterranean focusing on the link between the domestic and international politics of the issue in Italy and Malta and contrasting the different approaches taken. For example, although Italy and Malta both resort to self-help and both try to involve the EU in helping them tackle the problem, they do this in a markedly different way: Italy uses the EU as a supplement to its independent and bilateral efforts while Malta looks to the EU as the major solution to the problem. Lacking the power and influence to deal with the issue, Malta tends to see the problem as primarily a multilateral issue or one that can only be tackled in concert with stronger powers in the region preferably within an EU context. On the other hand, Italy has been keen in involving the EU but decided to go it alone when this option turned out to be a dead end. In this paper I also try to show the extent (or limitations) to which multilateral initiatives such as the “5+5” and Euro operation really play a decisive role in incentivizing or facilitating inter-state cooperation or joint solutions. This paper also refers to the EU acquis, the notion of solidarity (norms) and the extent to which it is implemented as well as a number of connected issues. The subjects of this paper, the Mediterranean Boat People, have been referred to by various names in the literature, all of which may be more or less deficient in actually defining them all. They have been referred to as “illegal” or “irregular” immigrants, “refugees” in search of international protection, “migrants at sea” and “boat people”. The use of “boat people” dispenses with the need of having to define the various categories of migrants involved and is thus preferred in this paper.

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The massification of tertiary education means that a significant percentage of young people participate in tertiary education while also working. They can be seen as a threat – as cheap and highly qualified competition for low-skilled workers in casual jobs who are setting aside their studies for the time being in favour of immediate income. Or they might present an opportunity – a natural way for a large percentage of young people to gain experience and contact with the labour market without the need for massive government programmes. The authors argue in this CEPS commentary that student work is more of an opportunity than a threat.

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Invasive alien species are among the primary causes of biodiversity change globally, with the risks thereof broadly understood for most regions of the world. They are similarly thought to be among the most significant conservation threats to Antarctica, especially as climate change proceeds in the region. However, no comprehensive, continent-wide evaluation of the risks to Antarctica posed by such species has been undertaken. Here we do so by sampling, identifying, and mapping the vascular plant propagules carried by all categories of visitors to Antarctica during the International Polar Year's first season (2007-2008) and assessing propagule establishment likelihood based on their identity and origins and on spatial variation in Antarctica's climate. For an evaluation of the situation in 2100, we use modeled climates based on the Intergovernmental Panel on Climate Change's Special Report on Emissions Scenarios Scenario A1B [Nakicenovic N, Swart R, eds (2000) Special Report on Emissions Scenarios: A Special Report of Working Group III of the Intergovernmental Panel on Climate Change (Cambridge University Press, Cambridge, UK)]. Visitors carrying seeds average 9.5 seeds per person, although as vectors, scientists carry greater propagule loads than tourists. Annual tourist numbers (~33,054) are higher than those of scientists (~7,085), thus tempering these differences in propagule load. Alien species establishment is currently most likely for the Western Antarctic Peninsula. Recent founder populations of several alien species in this area corroborate these findings. With climate change, risks will grow in the Antarctic Peninsula, Ross Sea, and East Antarctic coastal regions. Our evidence-based assessment demonstrates which parts of Antarctica are at growing risk from alien species that may become invasive and provides the means to mitigate this threat now and into the future as the continent's climate changes.

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We investigated the boundaries among imagery, memory, and perception by measuring gaze during retrieved versus imagined visual information. Eye fixations during recall were bound to the location at which a specific stimulus was encoded. However, eye position information generalized to novel objects of the same category that had not been seen before. For example, encoding an image of a dog in a specific location enhanced the likelihood of looking at the same location during subsequent mental imagery of other mammals. The results suggest that eye movements can also be launched by abstract representa- tions of categories and not exclusively by a single episode or a specific visual exemplar.

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Mode of access: Internet.

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Mode of access: Internet.