Results 11 to 20 of about 6,430,465 (229)

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

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   +2 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
openaire   +5 more sources

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   +2 more sources

Diatom blooms and primary production in a channel ecosystem of central Patagonia [PDF]

open access: yesLatin American Journal of Aquatic Research, 2017
0 0 1 293 1617 CIEP 13 3 1907 14.0 Normal 0 21 false false false ES-CL JA X-NONE
Montero, Paulina   +4 more
openaire   +4 more sources

Preliminary Appraisal of a Correlation Between Glaciations and Large Igneous Provinces Over the Past 720 Million Years

open access: yesGeophysical Monograph Series, Page 169-190., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Nasrrddine Youbi   +9 more
wiley  

+2 more sources

Squamata, Iguania, Leiosauridae, Pristidactylus nigroiugulus Cei, Scolaro and Videla, 2001: new records for Chubut province and geographic distribution [PDF]

open access: yesCheck List, 2011
We present new records of Pristidactylus nigroiugulus (Cei, Scolaro and Videla, 2001) for Chubut province. A geographic distribution map presents all known records in Chubut province, central Patagonia, Argentina.
Ignacio Minoli, Luciano Avila
doaj   +3 more sources

Otolith elemental composition reveals separate spawning areas of anchoveta, Engraulis ringens, off central Chile and northern Patagonia

open access: yesScientia Marina, 2019
The anchoveta (Engraulis ringens) is widely distributed throughout the Humboldt Current (4°30′-44°S). In recent years, its eggs and larvae have also been found inside fjords and channels of northern Patagonia, close to the southern limit of the central ...
María José Cuevas   +4 more
doaj   +1 more source

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