997 resultados para substratos naturais
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1985
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1986
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2016
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2006
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2008
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O curso aborda aspectos que visam reduzir o impacto dos desastres naturais acometidas em várias regiões do Brasil. Apresenta duas situações-problema, uma relacionada à seca e outra à inundação e deslizamentos. Na unidade 1 são apresentados aspectos básicos em desastres naturais, conceitos, terminologias, dados etc. e o impacto no Brasil e na saúde. Na unidade 2 tem-se o processo de gestão do risco de desastres e nas unidades 3 e 4 aborda-se o impacto desse fator na saúde psicossocial da população atingida bem como a saúde dos trabalhadores que atuam nos desastres.
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Os vídeos são complementos do curso Gestão Local de Desastres Naturais para a Atenção Básica. O curso aborda aspectos que visam reduzir o impacto dos desastres naturais acometidas em várias regiões do Brasil. Apresenta duas situações-problema, uma relacionada à seca e outra à inundação e deslizamentos. Na unidade 1 são apresentados aspectos básicos em desastres naturais, conceitos, terminologias, dados etc. e o impacto no Brasil e na saúde. Na unidade 2 tem-se o processo de gestão do risco de desastres e nas unidades 3 e 4 aborda-se o impacto desse fator na saúde psicossocial da população atingida bem como a saúde dos trabalhadores que atuam nos desastres.
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Os vídeos são complementos do curso Gestão Local de Desastres Naturais para a Atenção Básica. O curso aborda aspectos que visam reduzir o impacto dos desastres naturais acometidas em várias regiões do Brasil. Apresenta duas situações-problema, uma relacionada à seca e outra à inundação e deslizamentos. Na unidade 1 são apresentados aspectos básicos em desastres naturais, conceitos, terminologias, dados etc. e o impacto no Brasil e na saúde. Na unidade 2 tem-se o processo de gestão do risco de desastres e nas unidades 3 e 4 aborda-se o impacto desse fator na saúde psicossocial da população atingida bem como a saúde dos trabalhadores que atuam nos desastres.
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Os vídeos são complementos do curso Gestão Local de Desastres Naturais para a Atenção Básica. O curso aborda aspectos que visam reduzir o impacto dos desastres naturais acometidas em várias regiões do Brasil. Apresenta duas situações-problema, uma relacionada à seca e outra à inundação e deslizamentos. Na unidade 1 são apresentados aspectos básicos em desastres naturais, conceitos, terminologias, dados etc. e o impacto no Brasil e na saúde. Na unidade 2 tem-se o processo de gestão do risco de desastres e nas unidades 3 e 4 aborda-se o impacto desse fator na saúde psicossocial da população atingida bem como a saúde dos trabalhadores que atuam nos desastres.
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Os vídeos são complementos do curso Gestão Local de Desastres Naturais para a Atenção Básica. O curso aborda aspectos que visam reduzir o impacto dos desastres naturais acometidas em várias regiões do Brasil. Apresenta duas situações-problema, uma relacionada à seca e outra à inundação e deslizamentos. Na unidade 1 são apresentados aspectos básicos em desastres naturais, conceitos, terminologias, dados etc. e o impacto no Brasil e na saúde. Na unidade 2 tem-se o processo de gestão do risco de desastres e nas unidades 3 e 4 aborda-se o impacto desse fator na saúde psicossocial da população atingida bem como a saúde dos trabalhadores que atuam nos desastres.
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In insects that utilize patchy and ephemeral resources for feeding and egg laying, the outcome of larval competition for food resources depends on the amount of resources and the spatial distribution of immatures among patches of food. In the present study, the results of larval competition for food in Chrysomya megacephala, in traits such as female weight, fecundity and reproductive investment, were different in situations where the level of larval aggregation (proportion of competitors per amount of food) was the same, but with densities of competitors and amounts of food proportionally different. These results are indicative that the larval competition may depend both on the larval density and the amount of food, in different situations with the same proportion of larvae per gram of food.
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Approximately 7.2% of the Atlantic rainforest remains in Brazil, with only 16% of this forest remaining in the State of Rio de Janeiro, all of it distributed in fragments. This forest fragmentation can produce biotic and abiotic differences between edges and the fragment interior. In this study, we compared the structure and richness of tree communities in three habitats - an anthropogenic edge (AE), a natural edge (NE) and the fragment interior (FI) - of a fragment of Atlantic forest in the State of Rio de Janeiro, Brazil (22°50'S and 42°28'W). One thousand and seventy-six trees with a diameter at breast height > 4.8 cm, belonging to 132 morphospecies and 39 families, were sampled in a total study area of 0.75 ha. NE had the greatest basal area and the trees in this habitat had the greatest diameter:height allometric coefficient, whereas AE had a lower richness and greater variation in the height of the first tree branch. Tree density, diameter, height and the proportion of standing dead trees did not differ among the habitats. There was marked heterogeneity among replicates within each habitat. These results indicate that the forest interior and the fragment edges (natural or anthropogenic) do not differ markedly considering the studied parameters. Other factors, such as the age from the edge, type of matrix and proximity of gaps, may play a more important role in plant community structure than the proximity from edges.
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Dahlstedtia Malme (Leguminosae) is a neotropical genus, native to the Brazilian Atlantic Forest, and comprises two species, D. pinnata (Benth.) Malme and D. pentaphylla (Taub.) Burk., although it has been considered a monotypic genus by some authors. Leaf anatomy was compared to verify the presence of anatomical characters to help delimit species. Foliar primordium, leaflet, petiolule, petiole and pulvinus were collected from cultivated plants (Campinas, SP, Brazil) and from natural populations (Picinguaba, Ubatuba and Caraguatatuba, SP, Brazil - D. pinnata; Antonina, PR, Brazil - D. pentaphylla). Studies on leaflet surface assessment (Scanning Electron Microscopy), as well as histology and venation analyses were carried out of dehydrated, fresh and fixed material from two species. Leaflet material was macerated for stomatal counts. Histological sections, obtained by free-hand cut or microtome, were stained with Toluidine Blue, Safranin/Alcian Blue, Ferric Chloride, Acid Phloroglucin. Secretory cavities are present in the lamina, petiolule, petiole, pulvinus and leaf primordium in D. pentaphylla, but not in D. pinnata, and can be considered an important character for species diagnosis. Other leaf characters were uninformative in delimiting Dahlstedtia species. There is cambial activity in the petiolule, petiole and pulvinus. This study, associated with other available data, supports the recognition of two species in Dahlstedtia.
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The purpose of this article is to introduce elements that allow building an interface between the academic research and the programs of basic education for youngsters and adults. It discusses contributions to these programs that can be found in the results of qualitative research studies. To this end, results of a five-year long project on teacher education are used, which aim was that of analyzing the interaction between teacher and student in youngster and adult literacy classes. The research project was conducted in natural contexts with the purpose of understanding a given social reality, and not of establishing general laws. Therefore, the credibility of its results was built through the observation of multiple contexts, and the gathering of data was made through various methods, from the perspective of several participants observed during a prolonged period of time. This empirical basis was used to evaluate recommendations contained in the report commissioned by Unesco to the International Literacy Institute for presentation at the World Forum on Education held in 2000 in Dakar. This report proposed that the continuous attendance of students to basic education programs is one of the great challenges of the new millennium. With respect to the problem of adult evasion from courses and programs, the article discusses the motivation and accessibility factors, pointed out in official documents as relevant factors to the success or failure of the programs.
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Universidade Estadual de Campinas . Faculdade de Educação Física