A fossil invertebrate fauna from the South-West end of Livingston Island, South Shetland Islands, is described. The fauna, found in marine beds interbedded in a plant-bearing continental sequence, consists of Spiticeras (Spiticeras) spitiensis, Blanfordiceras (Pseudoblanfordia) patagoniense, Favr...
Se describe la fauna de invertebrados fósiles, encontrados en el extremo suroeste de Isla Livingston. La fauna está contenida en sedimentos marinos intercalados con estratos continentales con restos de plantas fósiles. Las especies determinadas son: Spiticeras (Spiticeras) spitiensis, Blanfordice...
Forty nine samples, of superficial marine sediments (< 50m.) from 3 localities: Deception Island,
Chile Bay and Fildes Bay, Antarctic península were analysed in order to investigate the foraminiferers
of suborder Textulariina Delage y Herouard, 1886. Twenty two species were identified and classif...
Se analizó un total de 49 muestras de sedimento marino superficial (< 50 m) extraídas en tres
localidades: isla Decepción, bahía Chile y bahía Fildes, península Antártica con el objeto de investigar
los foraminíferos del suborden Textulariina, Delage y Herouard, 1886. Se identificaron 22 especies...
Un dadivoso inesperado mecenas, determina el rumbo del “Fram” hacia Buenos Aires, en dos ocasiones, y la venida de Amundsen a suelo argentino, previo a gozar de homenajes con sus expedicionarios en Noruega, por la prioritaria victoria en el Polo Sur.
The route of the ‘Fram’ to Buenos Aires, twice, and Amundsen coming to argentine soil, before he was homaged together with his expeditionaries in Norway, for their previous victory in the South Pole was determined by an unexpected and generous sponsor
This investigation presents data from working with Global Positioning System (GPS) to complement the work of Radio Echo Sounding from January 2009 at the area next to the Chilean Base Station Bernardo O’Higgins and Jakenau Mountain at north of the Antarctic peninsula (63° 19’ S, 57° 51’ W).
The m...
Esta investigación presenta los datos del trabajo realizado con Sistemas de Posicionamiento Global (GPS) como complemento al trabajo de Radio Eco-Sondaje realizado en enero de 2009 en las proximidades a la Estación Base Chilena Bernardo O’Higgins y la montaña Jakenau al norte de la península antá...
One of the most relevant characteristics of the extant Southern Ocean fauna is its resiliency
to survive glacial processes of the Quaternary. These climatic events produced catastrophic
habitat reductions and forced some marine benthic species to move, adapt or go extinct.
The marine benthic spec...
On December 21 and 31, 1967 a limited survey of the bottom was carried out by the authors to observe the effects of the volcanic events of Dec. 4 on the benthic nfauna of Port Foster. Fifteen 0.1 m2 and one 0.2 m2 Petersen grab samples, and five dredge hauls gave evidence that most of the bottom...
Los días 21 y 31 de diciembre de 1967, los autores llevaron a cabo un estudio limitado del fondo marino con el objeto de observar los efectos de los sucesos volcánicos del 4 de diciembre de 1967, en la infauna bentónica de Bahía Foster. Quince muestras cuantitativas tomadas con una drada Petersen...
Glaciological data col lected at Patriot Hills, Antarctica (80°18' S,
81 ~2' W), are used to assess the local mass balance of the ice sheet. The data were collected
during two field campaigns conducted by the Instituto Antartico Chileno inJanuary and
November 1995. Measurements included surveying...
It is relevant to understand the processes and factors that modulate the efficiency of the carbon pump throughout the ecosystem of Patagonian fjords. Spatial variability of primary productivity and bacteria-microplankton biomass was assessed in relation to inorganic nutrients and stratification a...
The aim of this work was to carry out a qualitative assessment of the subtidal algal assemblages occurring at Fildes and Collins Bays. We conducted subtidal sampling of seaweeds between 1 and 10 m in Collins and Fildes Bay during late summer 2009. Our results showed that Rhodophyta was the most d...
