Results 11 to 20 of about 6,599 (249)

Reptilian coprolites in the Eocene of central Patagonia, Argentina [PDF]

open access: yesJournal of Paleontology, 2012
Biogenic structures, herein interpreted as coprolites, were recorded in the ?upper Paleocene–Eocene Las Flores Formation, southeast Argentina. The coprolite origin is supported by several features, such as recurrent extrusive external morphology, longitudinal wrinkles, flattening of the ventral side, concentric and radial cracks, cryptocrystalline ...
Krause, Javier Marcelo   +1 more
openaire   +3 more sources

New Data on Armadillos (Xenarthra: Dasypodidae) for Central Patagonia, Argentina [PDF]

open access: yesEdentata, 2010
Abstract Armadillos represent the most diverse family of xenarthrans. Although many studies have been done on these mammals, several topics, such as their local distribution, natural history, behavioral ecology and conservation, remain poorly known. Chaetophractus villosus and Zaedyus pichiy are the most common armadillos in extra-Andean Patagonia, a ...
Abba, Agustín Manuel   +2 more
core   +6 more sources

Reseña de "Fronteras e identidades en Patagonia Central (1885-2007)" [PDF]

open access: yesIdentidades, 2012
Reseña de "Fronteras e identidades en Patagonia Central (1885-2007)", de Brígida Baeza, Rosario, Prohistoria ediciones, 2009. Colección Historia Argentina, 260 pp.
Pilar Perez
doaj   +1 more source

Distribution and abundance of Chubut Steamerducks: an endemic species to Central Patagonia, Argentina [PDF]

open access: yesBird Conservation International, 2011
SummaryWe documented the breeding distribution and estimated abundance of Chubut SteamerducksTachyres leucocephalus,a flightless waterbird endemic to a relatively small section of coastline in Patagonia, Argentina. The distribution of Chubut Steamerducks is restricted to approximately 700 km of coast.
Agüero, Maria Laura   +2 more
openaire   +4 more sources

Ephemeroptera and Plecoptera biodiversity in central Patagonia, Chubut province, Argentina [PDF]

open access: yesZootaxa, 2008
Aquatic insects in Central Patagonia (Andean region), Argentina, have received poor and fragmentary attention. In this paper we present the first preliminary inventory of Plecoptera and Ephemeroptera taxa for the area and include seasonal records of adult stages. We incorporate a set of environmental features for the sampling sites and biotopes as well
Pessacq, Pablo, Miserendino, Maria Laura
openaire   +4 more sources

Distribución geográfica, historia natural y conservación del hurón menor Galictis cuja (Carnivora: Mustelidae) en la Patagonia central, Argentina Geographic distribution, natural history and conservation of the lesser grison Galictis cuja (Carnivora: Mustelidae) from Central Patagonia, Argentina

open access: yesRevista Mexicana de Biodiversidad, 2012
El hurón menor, Galictis cuja, tiene una amplia distribución en el territorio patagónico extraandino, aunque sus registros puntuales son escasos. Este trabajo se desarrolló en la provincia del Chubut, Patagonia Central, Argentina.
Marcelo Carrera   +2 more
doaj   +1 more source

Variaciones glaciales durante el Holoceno en Patagonia Central, Aisén, Chile: evidencias geomorfológicas Holocene glacial variations in Central Patagonia, Aisén, Chile: geomorphological evidences

open access: yesAndean Geology, 2011
Durante el Holoceno, avances y retrocesos glaciares geomorfológicamente registrados caracterizan la Patagonia. Este artículo presenta la evolución geomorfológica y las evidencias de fluctuaciones glaciales holocénicas de una región patagónica, que ...
María Mardones   +3 more
doaj   +1 more source

Estimating ancestral ranges: testing methods with a clade of neotropical lizards (iguania: liolaemidae). [PDF]

open access: yesPLoS ONE, 2011
Establishing the ancestral ranges of distribution of a monophyletic clade, called the ancestral area, is one of the central objectives of historical biogeography.
Juan Manuel Díaz Gómez
doaj   +1 more source

Regional mid-Pleistocene glaciation in central Patagonia [PDF]

open access: yesQuaternary Science Reviews, 2017
Southern South America contains a glacial geomorphological record that spans the past million years and has the potential to provide palaeoclimate information for several glacial periods in Earth's history. In central Patagonia, two major outlet glaciers of the former Patagonian Ice Sheet carved deep basins ∼50 km wide and extending over 100 km into ...
Hein, Andrew   +10 more
openaire   +1 more source

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