18 resultados para Sistemas de información en administración

em Acceda, el repositorio institucional de la Universidad de Las Palmas de Gran Canaria. España


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Programa de doctorado: Percepción artificial y aplicaciones

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Programa de doctorado: Tecnologías de la información y sus aplicaciones. La fecha de publicación es la fecha de lectura

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[ES] Propone una metodología de desarrollo de sistemas de información basada en unos principios filosóficos y unos instrumentos asumibles por un equipo de trabajo con amplia formación en organización de empresas.

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Premio Extraordinario, Área de Sociales y Jurídicas

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Programa de Doctorado en Gestión y Tratamiento de Residuos Tóxicos y Peligrosos

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[EN]Octopus vulgaris on-growing in floating cages has shown promising results. Nevertheless, some aspects of the culture system need to be evaluated to warrantee its profitability. In the present work individual and group rearing, in PVC net compartments and floating cages respectively, are compared under two dietary treatments. One diet is composed by bogue, supplied as ?discarded? species from local fish farms, and the other is based on a 40-60% discarded bogue-crab Portunus pelagicus. Besides, the effect of initial size is also evaluated. All octopuses were PIT-tagged and the experiment lasted 2 months. Absolute growth rate (AGR, g./day) and mortality (%) were calculated. Control diet generated higher growth rates and lower mortality which suggests different crab requirements at higher rearing temperatures. High mortality recorded in individual rearing could be related with high initial rearing density and temperatures.

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Octopus vulgaris on-growing in floating cages is a promising activity implemented in Spain at industrial level, with productions of 16-32 tons/year from 1998. Nevertheless, some aspects of the culture system need to be evaluated to warrantee its profitability. In the present study two rearing systems and two dietary treatments were evaluated. Individual and group rearing, in PVC net compartments and floating cages respectively, were compared under two dietary treatments. One diet was composed by bogue, supplied as ?discarded? species from local fish farms, and the other was based on a 40-60% discarded bogue-crab Portunus pelagicus. All octopuses were PIT-tagged and the experiment lasted two months. Animals were sampled once throughout the experimental period and absolute growth rate (AGR, g./day) and mortality (%) were calculated. AGR of group rearing was above 30 g./day, however individual rearing showed 100% survival so biomass increment was higher. On the other hand, males grew more than females regardless of dietary treatment.

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Programa de doctorado: Contabilidad.

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[ES]En el presente estudio se analizan las relaciones que existen entre los métodos de enseñanza-aprendizaje que se utilizan y el nivel de desarrollo adquirido por los estudiantes en la competencia para la utilización de herramientas informáticas a través del módulo de Estadística de la asignatura de Métodos Cuantitativos en el Grado de Administración y Dirección de Empresas de la Universidad de Las Palmas de Gran Canaria. Basándose en los resultados de una encuesta realizada en el curso 2012-13 a los alumnos de la asignatura, se concluye que los métodos de enseñanza-aprendizaje basado en las“clases prácticas de ordenador” y en la “resolución de ejercicios usando ordenadores” son los más efectivos en la adquisición de competencias informáticas.