El presente artículo aborda los cambios en los espacios rurales de América Latina y los posibles escenarios futuros a través de estudios de caso desarrollados en el contexto del proyecto "Designing a methology to evaluate local knowlegde on global change…

Lakes are excellent sensors of environmental change, including climate change. Chironomids (Insecta, Diptera) and ostracods (Crustacea) are among the most useful biological indicators for paleoenvironmental reconstruction found in lake sediments, due to their sensitiveness to environmental variables. However, the use…

Corallus annulatus (Northern Annulated Tree-boa) is a little-studied tropical Boid occurring disjunctively throughout Central America and tropical South America in mostly lowland tropical moist and wet forests (Holdridge, 1967; Stafford & Henderson, 1996; Smith & Acevedo, 1997; Henderson et al.,…

Los lagartos del género Liolaemus se distribuyen desde las altas cordilleras de Perú y Bolivia en el norte hasta el extremo austral de América del Sur. Se analizan los cariotipos descriptos para las 55 especies de Liolaemus con análisis citogenético…

Inventários faunísticos são fundamentais para o conhecimento da biodiversida- de e, conseqüentemente, para o planejamento e tomada de decisões sobre estratégias de conser- vação. Para conhecer a diversidade e composição dos répteis Squamata, assim como a distribuição das espécies por…

This paper presents a proposal for an architecture that integrates knowledge discovery systems (automatic acquisition) and knowledge based systems (experts systems). This work formulates considerations over the viability of the implementation of this architecture according to the advance of the…

En el presente trabajo se estudió la conducta agonística que presentan los porcinos, considerando por separado la agresividad en lechones y en cerdos adultos. Conocer los mecanismos íntimos del comportamiento social del cerdo analizando todas las actitudes que involucran una…

This paper aims to clarify an economic mechanism behind the growing dichotomy between geo-economics and the borderless global knowledge economy. The proposed hypothesis is that geo-economic fault-lines, which are the product of the past prejudices of racial, linguistic, and cultural…

The paper presents a formal model for a knowledge repository shared by members of a Virtual Community of Practice (VCPs), describes how the repository can be used to underpin collaborative problem solving, and how to build computer support for such…

Esta tesis presenta una estrategia en la Ingeniería de Requisitos, denominada SDRES, que intenta abordar temas poco tratados en la práctica real, tales como los cambios constantes en los requisitos, defectos del software originados en los requisitos, el contexto organizacional…