994 resultados para Grupos alimentares
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Ciência e Tecnologia Animal - FEIS
Relações entre o global e o local: circulação e uso de referências de moda por grupos de baixa renda
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Agronomia - FEIS
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The theory of sexual selection states that individuals more capable of attracting, selecting and competing for partners are more successful on reproduction than the less fit individuals. Competition for sexual partners can be observed in different populations of humpback whales (Megaptera novaeangliae). These large cetaceans migrate seasonally from feeding areas, in high latitudes, to breeding areas, in low latitudes, where they spend the winter. During the breeding season females with and without calves are escorted by transient competitive groups of males. Seeking reproductive success in the same group, various males exhibit aggressive behaviors searching for proximity to the disputed female. Breeding areas are usually located in warm and shallow waters that provide greater security to newborn calves. The Abrolhos Bank, in the Bahia State, is the main breeding area of the species in Brazil. In this study, we used data collected in this region between 2003 and 2012. We tested the hypothesis that there is temporal fluctuation in the abundance of competitive groups and, thus, there is variation in the levels of competition among males during the breeding season. We expected to find higher competition at the beginning of the season since there are a large number of males competing for a small number of females available for mating, because some of them would still be pregnant with calves conceived on the previous year. As the pregnant females give birth to their calves and can again get into heat, the competition among males would be softened, represented by a smaller number of individuals in competitive groups and a larger number of groups sighted. To test this hypothesis we compared the number of individuals per group and number of groups sighted (response variables) between the beginning and the end of the reproductive season (explanatory variable) by using generalized linear models. We used the Living Planet Index (LPI),...
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Pós-graduação em Bases Gerais da Cirurgia - FMB
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Pós-graduação em Ciências da Motricidade - IBRC
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Este estudo objetiva mapear e descrever programas de intercâmbio/cooperação internacional em lazer, desenvolvidos por grupos de pesquisa (GP) brasileiros. Realizou-se investigação descritiva exploratória, com abordagem quantiqualitativa, em duas fases: 1) mapeamento dos GP em lazer cadastrados no CNPq; 2) contato com os representantes destes GP. Participaram 54 representantes de 211 GP. Nove apontaram o desenvolvimento destes programas por meio de relações com diferentes países. Os trabalhos em colaboração e os intercâmbios são as ações mais frequentes dos programas. Apesar de haver disparidade regional na distribuição dos GP, curta duração e execução de ações isoladamente, acredita-se que estes programas tenham propostas promissoras para o lazer, suscitando novas investigações.
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The theory of sexual selection states that individuals more capable of attracting, selecting and competing for partners are more successful on reproduction than the less fit individuals. Competition for sexual partners can be observed in different populations of humpback whales (Megaptera novaeangliae). These large cetaceans migrate seasonally from feeding areas, in high latitudes, to breeding areas, in low latitudes, where they spend the winter. During the breeding season females with and without calves are escorted by transient competitive groups of males. Seeking reproductive success in the same group, various males exhibit aggressive behaviors searching for proximity to the disputed female. Breeding areas are usually located in warm and shallow waters that provide greater security to newborn calves. The Abrolhos Bank, in the Bahia State, is the main breeding area of the species in Brazil. In this study, we used data collected in this region between 2003 and 2012. We tested the hypothesis that there is temporal fluctuation in the abundance of competitive groups and, thus, there is variation in the levels of competition among males during the breeding season. We expected to find higher competition at the beginning of the season since there are a large number of males competing for a small number of females available for mating, because some of them would still be pregnant with calves conceived on the previous year. As the pregnant females give birth to their calves and can again get into heat, the competition among males would be softened, represented by a smaller number of individuals in competitive groups and a larger number of groups sighted. To test this hypothesis we compared the number of individuals per group and number of groups sighted (response variables) between the beginning and the end of the reproductive season (explanatory variable) by using generalized linear models. We used the Living Planet Index (LPI),...
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Pós-graduação em Bases Gerais da Cirurgia - FMB
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Pós-graduação em Ciências da Motricidade - IBRC
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Internationalization of the Colombian Conflict by the Involvement of External Actors: Action by the OAS in Demobilizing Paramilitary Groups in Colombia This paper discusses the effects of the internationalization of the Colombian armed conflict, understood as the participation of foreign actors in programs regarding the resolution of the conflict. Through an analysis of the involvement of multilateral and state actors, the authors argue that this process involved the dilemma between unilateralism and multilateralism. The empirical analysis is centered on the intervention of conflict mediation mechanisms from the Organization of American States (OAS), specifically the Mission to Support the Peace Process (MAPP/OAS), whose scope is aimed at demobilizing paramilitary groups in Colombia.