Now showing items 1-10 of 932
Morphological and isozyme evidence of natural hybridization between Nothofagus antarctica and N. pumilio in northwestern PatagoniaEvidencia morfológica e isoenzimática de hibridación natural entre Nothofagus antarctica y N. pumilio en el noroeste patagónico
(Universidad Austral de Chile, Facultad de Ciencias Forestales y Recursos Naturales., 2005)
Things in Antarctica: an archaeological perspective
(Taylor & Francis, 2020-09)
The representation of Antarctica as the last wilderness overlooks not only the presence of humans but also of material things, and does not reflect the reality of contemporary Antarctica. Human-thing relationships have ...
The genus Ptychoceras d'Orbigny in the Aptian-Albian of Patagonia and Antarctica
(E Schweizerbartsche Verlags, 2008-07)
Aptian - Albian Ptychoceratidae of southern Patagonia and James Ross Island, Antarctica are described. They are represented by Ptychoceras adpressum (J. SOWERBY, 1814), P. forbesianum STOLICZKA, 1865 and P. hamaimense ...
Araucariaceae macrofossil record from South America and Antarctica
(Taylor & Francis Ltd, 2012-03)
Araucariaceae fossils are abundant in Patagonia and on Seymour (Marambio) and King George (25 de Mayo) islands, Antarctica. Araucariacean macrofossil suites are represented by records of 121 woods, leaves, ovuliferous ...
First fossil frog from Antarctica: Implications for Eocene high latitude climate conditions and Gondwanan cosmopolitanism of Australobatrachia
Cenozoic ectothermic continental tetrapods (amphibians and reptiles) have not been documented previously from Antarctica, in contrast to all other continents. Here we report a fossil ilium and an ornamented skull bone that ...
Archaeologies in Antarctica from Nostalgia to Capitalism: A Review
Epic accounts of polar explorations have dominated the narratives of Antarctica’s past and contributed to a prevailing image of distant wilderness untouched by humans. Archaeological studies have been undertaken from ...
Short note were ibises (Aves, Threskiornithidae) present in Antarctica?
(Cambridge University Press, 2019-02)
The fossil record of ibises is largely incomplete and very patchy. In this sense, the early record of ibises remains poorly documented, being represented by an isolated tibiotarsus from the Eocene of Myanmar (Stidham et ...
Exploring and Exploiting Antarctica: The First Human Interactions
(Elsevier Academic Press Inc., 2020)
The early human interaction with Antarctica can be seen as having characteristics that evolved over the first one hundred years from the first human presence: from coastal "discoveries", through sealing and whaling ...
Comparison of the skull of Brown Skua (Catharacta antarctica lonnbergi) and South Polar Skua (Catharacta maccormicki): differentiation source identification and discriminant analysis
Many contributions try to emphasize the similarities and differences between the Brown Skua Catharacta antarctica lonnbergi¸ and the South Polar Skua Catharacta maccormicki. Most of the morphological information of these ...