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Mostrando ítems 41-50 de 243
Robles in Lagunas de Epulauquen, Argentina: previous and recent evidence of their distinctive character
(Sociedad de Biología de Chile, 2014-12-02)
Los robles más septentrionales de la Argentina, ubicados en Lagunas de Epulauquen (noroeste de Patagonia) sonconsiderados una población de la especie Nothofagus obliqua, pero presentan características diferenciales respectoal ...
Insular morphological divergence in the lizard Liolaemus pictus (Liolaemidae)
(BRILL ACADEMIC PUBLISHERS, 2006-03)
Liolaemus pictus is a widely distributed arboreal lizard species in southern Chile. Within this species, mainland and island subspecies have been described mainly based on external morphological characters, however, their ...
An unexpected large Crested Tinamou (Eudromia, Tinamidae, Aves) near to Last Glacial Maximum (MIS 2, late Pleistocene) of the Argentine Pampas
(Taylor & Francis, 2018-07)
A large nearly complete specimen of a Crested Tinamou (Eudromia, Tinamidae, Aves) is described. It was collected at ‘Nicolás Vignogna III’ Quarry in Marcos Paz County (Buenos Aires Province, Argentina), coming from near ...
Les cavités du Cerro Benitez (Patagonie, Chili) Hypothèses génétiques glacio-karstiques
(Fedération Francaise de Spéleologie, 2016-07)
El estudio de Cerro Benitez en la Patagonia Chilena (Última Esperanza) permite documentar una génesis kárstica específica en los márgenes andinos, entre áreas hiper-húmedas al Oeste y regiones secas al Este de los Andes. ...
Observaciones sobre el cuaternario en el valle del rio negro-guayuriba y piedemonte llanero al oriente de bogotá
(Departamento de Geociencias, 1985)
A brief description of the Quaternary deposits of the Negro-Guayuriba river valley is presented here, along with some comments on its geomorphologic evolution, taking into consideration the existence of a direct relationship ...
Efectos de las glaciaciones del cuaternario sobre rasgos morfológicos y fisiológicos de nothofagus dombeyi (Mirb) Oerst (coigue
(Universidad de Chile, 2012)
I-os ciclos glaciares-interglaciares del Pleistoceno afectaron fuertemente la
distribución de los bosques templados del Sur de Sudamérica. Durante las fases
glaciares, algunas especies contrajeron su rango de distribución ...
Diversity of culturable bacteria recovered from Pico Bolívar’s glacial and subglacial environments,at 4950 m,in Venezuelan tropical Andes
(CANADIAN SCIENCE PUBLISHING, 2016-06-15)
Even though tropical glaciers are retreating rapidly and many will disappear in the next few years,their microbial diversity remains to be studied in depth. In this paper we report on the biodiversity of the culturable ...
Confined turbidite sand-sheets in the Paraná and Paganzo Basins
(Universidade do Vale do Rio dos Sinos, 2014-02-20)
During the Late Paleozoic, Gondwana was home for a protracted glaciation that generated high sediment supplies and ample accommodation space within incised valleys and fjords, usually laterally confined and longitudinally ...