849 resultados para Labor unions and youth


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Cet article a l'objectif de détailler les diverses initiatives du gouvernement Lula (2003-2010) par rapport à la mise en forme d'une politique de ressources humaines et, de cette façon, vérifier s'il y a eu une amélioration des conditions et relations de travail dans le secteur public brésilien. À partir des années 1990, et dans le sens contraire de la grande croissance de l'emploi public dans les six décennies précédentes, l'adhésion des gouvernements brésiliens aux principes du « Consensus de Washington » souligne le fonctionnalisme comme point fondamental dans l'agenda des réformes nécessaires à la reprise de la croissance économique. Ces gouvernements là se sont penchés sur le traitement de l'emploi public comme étant un problème fiscal et ont agi pour restreindre sa dimension. Simultanément, les conditions et relations de travail se sont présentées plus fragilisées (rendues évidentes par l'absence de réajustement de salaire; la croissance de formes variables de rémunération ; l'élargissement du cadre de travailleurs temporaires et externes, e avec l'attitude autoritaire devant la représentation syndicale). Avec une recherche documentaire et bibliographique, on pourra remarquer que la restructuration de nombreuses carrières, la reprise des concours, la création de la « Réunion Nationale de Négotiation Permanente », la réforme de la sécurité sociale et les réajustements selectifs des rémunérations manifestent l'ambiguïté comme une marque fondamentale des politiques de ressources humaines. Cela parce que, au même temps, les progrès des conditions de travail du serviteur public ont toujours été accompagnés par l'entretien d'une partie de l'agenda conservatrice des années 1990, surtout par rapport à la reproduction de limites fiscaux rigoureux.

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Leafcutters are the highest evolved within Neotropical ants in the tribe Attini and model systems for studying caste formation, labor division and symbiosis with microorganisms. Some species of leafcutters are agricultural pests controlled by chemicals which affect other animals and accumulate in the environment. Aiming to provide genetic basis for the study of leafcutters and for the development of more specific and environmentally friendly methods for the control of pest leafcutters, we generated expressed sequence tag data from Atta laevigata, one of the pest ants with broad geographic distribution in South America. Results: The analysis of the expressed sequence tags allowed us to characterize 2,006 unique sequences in Atta laevigata. Sixteen of these genes had a high number of transcripts and are likely positively selected for high level of gene expression, being responsible for three basic biological functions: energy conservation through redox reactions in mitochondria; cytoskeleton and muscle structuring; regulation of gene expression and metabolism. Based on leafcutters lifestyle and reports of genes involved in key processes of other social insects, we identified 146 sequences potential targets for controlling pest leafcutters. The targets are responsible for antixenobiosis, development and longevity, immunity, resistance to pathogens, pheromone function, cell signaling, behavior, polysaccharide metabolism and arginine kynase activity. Conclusion: The generation and analysis of expressed sequence tags from Atta laevigata have provided important genetic basis for future studies on the biology of leaf-cutting ants and may contribute to the development of a more specific and environmentally friendly method for the control of agricultural pest leafcutters.

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In Brazil zinnias have good prospect for the flowering potted plant market, once consumers demand for new forms of products is stimulated by novelty. 'Persian Carpet' is a highly ornamental plant, with fast growth, minimal labor requirements and low cost seeds. The present study evaluated the effect of growth regulators on development and quality of 'Persian Carpet' grown as a potted plant. Growth regulators are commonly used to control growth and produce short and compact plants. Paclobutrazol (0.5, 0.75 and 1.0 mg a.i./pot) and chlormequat (1.0, 2.0 and 3.0 g. L-1) were applied as a single drench, and daminozide (2.5, 3.75 and 5.0 g. L-1) as a single foliar spray to runoff. Regulators were applied at apical flower bud stage. Daminozide (5.0 g. L-1), paclobutrazol (0.5, 0.75 and 1.0 mg a.i./pot) and chlormequat (1.0 g. L-1) significantly reduced plant height and side branches length compared to the control. Plant height showed a negative linear response to the increasing concentration of daminozide or paclobutrazol. Paclobutrazol (1.0 mg a.i./pot) and chlormequat (1.0 g. L-1) increased foliage and flowers harvest index. Plant spread diameter and canopy shape were improved with paclobutrazol (0.75 mg a.i./pot). Chlormequat (2.0 and 3.0 g. L-1) caused phytotoxicity symptoms, turning plants unsuitable for commercialization. Studied regulators concentrations did not affect flower diameter and production cycle. Although regulators controlled height and side branches growth significantly, plants were not short and compact enough to attend market quality.

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Includes bibliography

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Pós-graduação em Ciências Sociais - FFC

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Includes bibliography

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Infant mortality has unquestionably declined throughout Latin America over the last decade, even under conditions of low and unstable economic growth and a meagre overall reduction of poverty in the region. The declines in infant mortality vary from one country to another. The persistence of high infant mortality rates is related to low income, teenage pregnancy and lack of access to basic services, as well as to the lack of appropriate health care infrastructure. At the same time, both the rural population as a whole, and the indigenous and Afro-descendent population in particular, has fallen markedly behind, with overall infant mortality rates much higher than among the rest of the population. Moreover, the cause and incidence of death in this age group have been changing according with the changes in neonatal and post-neonatal deaths. Our editorial line-up has created space for opinions from adolescents and youth, as well as from policy experts on the problem, its causes, and approaches to dealing with infant mortality. We also offer succinct information on a broad range of programmes—utilizing various interventions—in different countries of the region regarding maternal and infant care, in an attempt to bring about a reduction in mortality.

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Pós-graduação em Geografia - FCT

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Introduction .-- I. Background .-- II. Frameworks for implementing the regional agenda on population and development .-- III. Making operational the priority measures of the Montevideo Consensus on Population and Development: A. Full integration of population dynamics into sustainable development with gender equality and respect for human rights. B. Rights, needs, responsibilities and the demands of girls, boys, adolescents and youth. C. Ageing, social protection and socioeconomic challenges. D. Universal access to sexual and reproductive health services. E. Gender equality. F. International migration and protection of the human rights of all migrants. G. Territorial inequality, spatial mobility and vulnerability. H. Indigenous peoples: interculturalism and rights. I. Afro-descendants: rights and combating racial discrimination.