The pearly freshwater mussels ("naiads") are infaunal species, endemic to the Neotropical region, belonging to the families Hyriidae and Etheriidae. The habitat alteration and competition with the invasive species Corbicula fluminea and Limnoperna fortunei, impact on their natural populations. This…

El Noreste de la provincia de Buenos Aires corresponde a un ambiente llano con pendientes muy bajas, donde tienen gran relevancia los movimientos verticales del agua, resultando de especial interés los procesos de recarga ya que constituyen la principal fuente…

The appearance and continuous growth of virtual communities on the web imposes the challenge of coping with the large amount of information and knowledge these communities produce. The Semantic Web with its set of standards and technologies provides the basic…

El contenido de materia orgánica (MO) del suelo se relaciona positivamente, en algunos casos, con la superficie específica (SE) del mismo, pero grandes cantidades de MO pue­den resultar en una SE menor, cuando se la determina a través de la…

Objetivo: Examinar o fenômeno clínico de homicídio seguido de suicídio (HS) a partir de um caso no qual o desfecho de suicídio não ocorreu por motivos alheios á vontade e ás ações do sujeito. Descrição do caso: Trata-se do caso…

A grande maioria dos Sistemas de Gerenciamento de Aprendizagem predominantemente em uso no ensino com suporte computacional são estáticos e lineares, ou seja, apresentam o mesmo conteúdo instrucional para os diversos estudantes sem considerar o nível de aquisição de conhecimentos…

En este trabajo se presentan los objetivos y alcances del proyecto de investigación AP/048416/11, “TIC Y Formación Web 2.0 para la Inclusión Social y el Desarrollo Sostenible”, financiado por la Agencia Española de Cooperación Internacional para el Desarrollo (AECID) y…

This paper addresses the problem of contour line extraction from scanned topographic maps in poor condition. A novel method is developed, using knowledge of cartography and graphics to extract contours by removing other layers which overlay the contours, and reconstructing…

La Plata National University is making a great effort to support and encourage scientific, technologic and artistic research and innovation, maintaining its quality, as well as the development and knowledge transference that benefit society and generate new scientific, technologic and…

The studies on the formation of psychology's professors were locating us in the construction process of the professional knowledge in professors but in psychologists that exercise the teaching too, visualizing the paper that built knowledge assumed between both environments (academic…