Flora argentina: novedades en Primulaceae

Orígenes de Internet en Argentina

In this paper, Julian Dunayevich gives an account of his role in the early days of the process that eventually resulted in the first teleinformatic networks in Argentina. As part of his work at the Universidad de Buenos Aires' Facultad de Ciencias Exactas y Naturales (the UBA's College of Natural and Exact Sciences), he founded the Red Académica Nacional (National Academic Network), UBA's Centr...

Calidad en repositorios digitales en Argentina, estudio comparativo y cualitativo

Numerous institutions and organizations need not only to preserve the material and publications they produce, but also have as their task (although it would be desirable it was an obligation) to publish, disseminate and make publicly available all the results of the research and any other scientific/academic material. The Open Archives Initiative (OAI) and the introduction of Open Archives Init...

New Findings of Helminths Parasites of Chrysocyon Brachyurus (carnivora: Canidae) in Argentina Nuevos Hallazgos De Helmintos Parásitos En Chrysocyon Brachyurus (carnivora: Canidae) En Argentina

Respuesta De La Vegetación En Un Gradiente De Intensidad De Pastoreo En Mendoza, Argentina Vegetation Response in a Grazing Intensity Gradient in Mendoza, Argentina

Se evaluaron cambios en la cobertura de las especies vegetales y del suelo desnudo cuando la vegetación fue expuesta a niveles crecientes de intensidad de pastoreo por bovinos en condiciones de carga animal conservadora. La cobertura se registró a distancias crecientes desde el punto de agua (desde 0,3 hasta 3,8 km), en dos potreros homogéneos, a lo largo de cuatro transectas lineales de 50 m d...

Ceratopetalum (Cunoniaceae) fruits of Australasian affinity from the early Eocene Laguna del Hunco flora, Patagonia, Argentina

Background and Aims Radially symmetrical, five-winged fossil fruits from the highly diverse early Eocene Laguna del Hunco flora of Chubut Province, Patagonia, Argentina, are named, described and illustrated. The main goals are to assess the affinities of the fossils and to place them in an evolutionary, palaeoecological and biogeographic context. Methods Specimens of fossil fruits were collec...