Results 1 to 10 of about 8,948 (183)

Latest Cretaceous megaraptorid theropod dinosaur sheds light on megaraptoran evolution and palaeobiology [PDF]

open access: yesNature Communications
Recent fossil discoveries have cast considerable light on the palaeobiology of Megaraptora, a group of large-clawed carnivorous theropod dinosaurs known from Cretaceous deposits in Asia, Australia, and especially South America.
Lucio M. Ibiricu   +7 more
doaj   +2 more sources

Exploring the effects of climatic and environmental heterogeneity on the spatial activity of Patagonian bats [PDF]

open access: yesBMC Ecology and Evolution
Background The Patagonian region hosts endemic bat species and represents the southernmost distribution limit for several vespertilionids and molossids species. In cold temperate regions, insectivorous bats are more active during summer.
Analía Laura Giménez   +2 more
doaj   +2 more sources

Association of depressive symptoms with incidence and mortality rates of COVID-19 over 2 years among healthcare workers in 20 countries: multi-country serial cross-sectional study [PDF]

open access: yesBMC Medicine
Background Long-term deterioration in the mental health of healthcare workers (HCWs) has been reported during and after the COVID-19 pandemic. Determining the impact of COVID-19 incidence and mortality rates on the mental health of HCWs is essential to ...
Hiroki Asaoka   +42 more
doaj   +2 more sources

A brachiosaurid sauropod from the Late Jurassic Cañadón Calcáreo Formation of Chubut, Argentina [PDF]

open access: yesFossil Record, 2006
Fragmentary sauropod remains from the Late Jurassic (Tithonian) Cañadón Calcáreo Formation of Chubut, Argentinean Patagonia, are derived from a taxon of large size, but with very slender forelimbs.
O. W. M. Rauhut
doaj   +5 more sources

TURTLES FROM THE MATA AMARILLA FORMATION (CENOMANIAN), SANTA CRUZ, ARGENTINA: THE SOUTHERMOST RECORD OF PROCHELIDELLA SPP. (PLEURODIRA: CHELIDAE)

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2022
The fossil record of Cretaceous turtles in Santa Cruz Province is scarce. Turtles have been reported from the Mata Amarilla Formation (Cenomanian), the Cerro Fortaleza Formation (Campanian–Maastrichtian), and the Chorrillo Formation (early Maastrichtian).
Juliana Sterli   +4 more
doaj   +1 more source

http://www.app.pan.pl/article/item/app003732017.html [PDF]

open access: yesActa Palaeontologica Polonica, 2017
The Interatheriinae (Notoungulata, Interatheriidae) from the Collón Curá Formation (Colloncuran South American Land Mammal Age, SALMA) are revised here, based on old and new collections from western Neuquén, Río Negro, and Chubut provinces where this ...
Bárbara Vera   +2 more
doaj   +1 more source

Early steps in the radiation of notoungulate mammals in southern South America: A new henricosborniid from the Eocene of Patagonia [PDF]

open access: yesActa Palaeontologica Polonica, 2019
Here we describe a new notoungulate mammal from the early Eocene (Itaboraian SALMA) of Chubut, Argentinian Patagonia, from the localities of Las Flores and Las Violetas Farm, represented by fragments of maxilla and isolated teeth.
Nicolás Bauzá   +2 more
doaj   +1 more source

Los sindicatos de los trabajadores 'en tierra' de la industria pesquera en Argentina: características, historias y regiones

open access: yesNuevo mundo - Mundos Nuevos, 2022
We describe the history and characterize the unions that integrate the workers of the processing on land of the Argentine fishing industry. The Sindicato Obrero de la Industria del Pescado (SOIP) in the province of Buenos Aires, and the Sindicato de ...
Gonzalo Pérez Álvarez   +1 more
doaj   +1 more source

“Lighting up in distant regions the sacred fire of the Nation” : the Centenary celebrations (1910) and the Welsh community in Patagonia

open access: yesNuevo mundo - Mundos Nuevos, 2012
Given the pride of place accorded to Welsh descendants in the recent Bicentennial of the May Revolution in Chubut, it may be assumed that Welsh settlers would have received similar recognition when the Centenary was marked in 1910.
Geraldine Lublin
doaj   +1 more source

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

open access: yes, 2010
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 ...
Abba, Agustin Manuel   +2 more
core   +2 more sources

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