396 resultados para enemy


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In international law the internment of civilians has only been regulated in writing in the context of the 4th Geneva Convention of 1949. Nevertheless this did not mean that civilians were not protected by at least some rules of customary international law before that date and especially in World War I. Furthermore specialists of international law expected states – at least those considered to be part of the community of civilized nations – to continue to treat all men equal before the law even in wartime. As research already conducted (Bird, Panayi, Fischer) has shown, this was not the case during World War I. Based on these findings the presentation proposed here wants to look into the development of international law and into some national preparations for treating so called “enemy aliens” in the period before 1914 (Austria-Hungary, Australia, United Kingdom), in order to see to what extent principles of international law protecting civilians from the consequences of war can be detected in the pre-war preparations. As far as can be judged so far the issue of loyalty was central in this context. Looking at the war itself, the presentation proposed here will try to look at how far the principles of international law alluded to above continued to influence the policies on “enemy aliens” in the countries mentioned and to see, how the International Committee of the Red Cross tried to use them to legitimize and expand its protective policies in regard to civilians interned in belligerent as well as neutral countries throughout the war.

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Paul Weisengrün

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One hypothesis for the success of invasive species is reduced pathogen burden, resulting from a release from infections or high immunological fitness (low immunopathology) of invaders. Despite of strong selection exerted on the host, the evolutionary response of invaders to newly acquired pathogens has rarely been considered. The two independent and genetically distinct invasions of the Pacific oyster Crassostrea gigas into the North Sea represent an ideal model system to study fast evolutionary responses of invasive populations. By exposing both invasion sources to ubiquitous and phylogenetically diverse pathogens (Vibrio spp.) we demonstrate that within a few generations hosts adapted to sympatric pathogen communities. However, this local adaptation only became apparent in selective environments, i.e. at elevated temperatures reflecting patterns of disease outbreaks in natural populations. Resistance against sympatric and allopatric Vibrio spp. strains was dominantly inherited in crosses between both invasion sources, resulting in an overall higher resistance of admixed individuals than pure lines. Therefore we suggest that a simple genetic resistance mechanism of the host is matched to a common virulence mechanism shared by local Vibrio strains. This combination might have facilitated a fast evolutionary response that can explain another dimension of why invasive species can be so successful in newly invaded ranges.

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Bibliography: p. 570-577.

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Bibliography: p. 266-276.

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"First edition."

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Includes index.

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Mode of access: Internet.

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Mode of access: Internet.