Buscar recursos académicos

En este trabajo se analizó el patrón de actividad de la colonia de Pingüino de Magallanes (Spheniscus magellanicus) en Isla Martillo, Tierra del Fuego, Argentina. Se determinó la variación temporal en el patrón gen...

We describe nine angiosperm fossil woods from sediments of the Cardiel Formation (Upper Cretaceous) near the Cardiel Lake, Santa Cruz Province, Argentinian Patagonia. On the basis of the characteristics of the anatomy, t...

Life-history variables evolve in response to cost-benefit trade-offs. For birds, larger eggs are thought to be beneficial for development of offspring but are energetically costly to produce. Further, egg-size dimorphism...

Notochthamalus scabrosus (Darwin 1854) is commonly attached to littoral rocks and shells, often associated with Notobalanus flosculus (Darwin 1854), and sometimes with Chthamalus cirratus (Darwin 1851). Notochthamalus sc...

The mid-Cretaceous was a period characterized by a global greenhouse climate. Paleosols can be used to reconstruct Critical Zones of the Earth́s past and enhance our comprehension of such greenhouse conditions. Through ...

This work aimed to analyze and classify the suitability of freshwater sources for irrigation in three large hydrographic regions of Southern Continental Patagonia: Coyle, Serrano, and Gallegos. In these regions, there is...

The problem of incomplete data matrices is repeatedly found in large databases; posing a significant obstacle for an effective treatment of data. This paper examines a self-organizing-map (SOM) based method of data imput...

El castor norteamericano (Castor canadensis) fue introducido en Tierra del Fuego (Argentina) en 1946. Mediante su rápida expansión, colonizó casi todas las cuencas del archipiélago antes de los años 1990, llegando a...

Se han descripto 19 especies de pingüinos en el mundo, todas exclusivas del Hemisferio Sur. Se encuentran pingüinos en aguas antárticas, en el extremo sur de Sudamérica y en las costas e islas del sur de África, Aus...