945 resultados para Lee, George
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Fil: Gerhardt, Federico. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación; Argentina.
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Fil: Vicente, María Eugenia. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación; Argentina.
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This article seeks argue that the search for autonomy among slaves necessarily created hierarchies within the community where they were inserted. Through two cases compared, George in U.S. and Lino in Brazil, seeks to show that a notion of slave community was built by the social actors who were part of it
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Access to different environments may lead to inter-population behavioural changes within a species that allow populations to exploit their immediate environments. Elephant seals from Marion Island (MI) and King George Island (KGI) (Isla 25 de Mayo) forage in different oceanic environments and evidently employ different foraging strategies. This study elucidates some of the factors influencing the diving behaviour of male southern elephant seals from these populations tracked between 1999 and 2002. Mixed-effects models were used to determine the influence of bathymetry, population of origin, body length (as a proxy for size) and individual variation on the diving behaviour of adult male elephant seals from the two populations. Males from KGI and MI showed differences in all dive parameters. MI males dived deeper and longer (median: 652.0 m and 34.00 min) than KGI males (median: 359.1 m and 25.50 min). KGI males appeared to forage both benthically and pelagically while MI males in this study rarely reached depths close to the seafloor and appeared to forage pelagically. Model outputs indicate that males from the two populations showed substantial differences in their dive depths, even when foraging in areas of similar water depth. Whereas dive depths were not significantly influenced by the size of the animals, size played a significant role in dive durations, though this was also influenced by the population that elephant seals originated from. This study provides some support for inter-population differences in dive behaviour of male southern elephant seals.
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Fil: Vernet, Mercedes. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación; Argentina.
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"Puestos a escoger entre nuestras concepciones poéticas y la fidelidad a la propia experiencia, finalmente optamos por esta última". Esa frase de Jaime Gil de Biedma bien podría formar parte de uno de los aforismos del libro Juan de Mairena, de Antonio Machado. La problemática de la conformidad de lo ético junto a lo estético nos lleva a la propuesta de ese artículo, es decir, el análisis del importante papel de la obra Juan de Mairena para la afirmación de una posición ético-poética en la obra de Jaime Gil