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Ushuaia, Argentina

The National University of the Patagonia San Juan Bosco is a higher education establishment in Patagonia, southern Argentina. It was created on February 25, 1980, by law 22.713, as the merge of two national universities: the "Universidad de San Juan Bosco" and "Universidad Nacional de la Patagonia". It is named after San Juan Bosco, patron saint of the area.The university has four schools - Engineering, Economy, Humanities, Legal, and Natural science, spread over several cities in Patagonia: Puerto Madryn, Trelew, Esquel, Comodoro Rivadavia, and Ushuaia. The central faculty is located in Comodoro Rivadavia.The University has as of 2005 14,000 students, with 5000 in the main school. Wikipedia.


The first records of Histiotus macrotus for Chubut Province, Argentinean Patagonia are reported here. Since November 2008 until February 2009, 24 specimens were collected in two localities in the northwest of Chubut: Ea. El Principio (42° 59' 27" S 71° 24' 60" W) and School of Welsh Language "Ysgol Gymaraeg yr Andes" (43° 05' 56" S 71° 28' 26" W). The geographic distribution of the species is extended 200 km south; additional information on its dietary habits is also reported. ©SAREM, 2010. Source


Marinao C.J.,National University of Patagonia San Juan Bosco | Yorio P.,Wildlife Conservation Society
Wilson Journal of Ornithology | Year: 2011

We evaluated seabird attendance and incidental mortality at coastal trawl vessels targeting Argentine red shrimp (Pleoticus muelleri) in the Isla Escondida fishing area, Argentina, during 20062007 and 20072008. Eight seabird species attended vessels, and the most frequent and abundant seabird (percent occurrence, mean number per haul) in the two seasons was the Kelp Gull (Larus dominicanus) (100%, 112.3 and 100%, 263.4, respectively), followed by the Black-browed Albatross (Thalassarche melanophris) (85%, 17.6, and 90%, 32.4, respectively). Eleven Magellanic Penguins (Spheniscus magellanicus) and one Imperial Shag (Leucocarbo atriceps) were killed in nets with a mean capture rate of 0.003 and 0.0003 birds per haul, respectively. The estimated total number of birds killed was 53 penguins and five shags considering the total number of hauls made by the fishery in the two seasons. No contacts between seabirds and warp cables were recorded. Coastal shrimp vessels generally operated between 15 and 20 km offshore, at a mean distance from the main Kelp Gull colony (Punta Tombo) of 43.9 km. At least 100 fish and invertebrate species were discarded, mostly Argentine hake (Merluccius hubbsi). Total amount discarded per season by this coastal fishery in the two seasons was estimated at 3,284 and 6,590 tonnes, respectively. The coastal shrimp fishery in the Isla Escondida area appears to have a small impact on seabirds in terms of incidental mortality but provides significant amounts of supplementary food during the breeding season of the Kelp Gull. © 2011 by the Wilson Ornithological Society. Source


The genus Valeriana is the most diverse of the Valerianaceae family and is widely distributed in temperate northern hemisphere, Africa and South America, presenting in the Andean region an important center of secondary diversification. This work includes the review of species of southern South America based on material from Argentina and Chile south of latitude 33° S. Forty species of Valeriana are described for this region, references of published illustrations are given and a key is provided for their identification. New synonymies and lectotypes based on the study of type material are included. Notes on phenology, geographic distribution and habitat, additional material examined, distinguishing characters and taxonomic affinities are also given. Some species had not been reported previously for Argentina or Chile. Source


Pagani M.A.,CONICET | Taboada A.C.,CONICET | Taboada A.C.,National University of Patagonia San Juan Bosco
Palaeogeography, Palaeoclimatology, Palaeoecology | Year: 2010

Argentina is a special place to study Late Palaeozoic life and environmental change because of the excellent exposures of Late Palaeozoic sedimentary sequences. In particular, Patagonia has an almost continuous Late Palaeozoic succession containing well-preserved faunal assemblages characterized by both strong endemism and distinctive palaeobiogeographic links to Australia and northeast Asia. In this contribution an overview of the current knowledge of the invertebrate faunas of Patagonia and their biostratigraphic and palaeobiogeographic significance are presented, along with comments on the future prospects of research in the light of new findings. The Late Palaeozoic outcrops in central-western Patagonia belong to the Tepuel-Genoa Basin (Chubut province, Argentina), then located in southwestern Gondwana during the Late Palaezoic. In this basin the succession is > 6000 m thick, and constitutes a continuous and complete succession from the Lower Carboniferous to lower Permian. As such, it has the potential to serve as an important reference section for regional and intercontinental correlations. The marine Late Palaeozoic of Patagonia has yielded abundant and well-preserved representatives of most invertebrate groups: brachiopods, bivalves, gastropods, cephalopods, hyolithids, pelmatozoans, ostracods and cnidarians. Recently, studies of the Patagonian faunas have resulted in different opinions on the ages of the faunas. Biostratigraphic correlation is complex due to strong faunal provincialism. For this reason, there are several hypotheses concerning the biostratigraphic zonation in the basin. Since 1920, when studies of Late Palaeozoic strata in Patagonia were first carried out, numerous papers on stratigraphic, palaeogeographic and taxonomic subjects have been published, but our knowledge of Carboniferous-Permian fossils from the Tepuel-Genoa Basin is still incomplete. At present, we are attempting to integrate and calibrate the different faunal associations with a view to achieving a unified biostratigraphic biozonation scheme and hence a much improved understanding of the palaeobiogeographic relationship of Patagonian faunas with those from western Argentina and other continents. Currently, detailed stratigraphic and palaeontological research is being done in the type section of the Tepuel-Genoa Basin. The aim of our studies is to integrate all partial sequences exposed throughout the basin and to propose a biostratigraphic chart based on key invertebrate taxa. Once this goal is achieved, a global correlation can be conducted, especially with other sections in Gondwana and the Arctic. © 2010 Elsevier B.V. Source


Bond M.,CONICET | Tejedor M.F.,CONICET | Tejedor M.F.,National University of Patagonia San Juan Bosco | Campbell K.E.,Jr. | And 4 more authors.
Nature | Year: 2015

The platyrrhine primates, or New World monkeys, are immigrant mammals whose fossil record comes from Tertiary and Quaternary sediments of South America and the Caribbean Greater Antilles. The time and place of platyrrhine origins are some of the most controversial issues in primate palaeontology, although an African Palaeogene ancestry has been presumed by most primatologists. Until now, the oldest fossil records of New World monkeys have come from Salla, Bolivia, and date to approximately 26 million years ago, or the Late Oligocene epoch. Here we report the discovery of new primates from the ?Late Eocene epoch of Amazonian Peru, which extends the fossil record of primates in South America back approximately 10 million years. The new specimens are important for understanding the origin and early evolution of modern platyrrhine primates because they bear little resemblance to any extinct or living South American primate, but they do bear striking resemblances to Eocene African anthropoids, and our phylogenetic analysis suggests a relationship with African taxa. The discovery of these new primates brings the first appearance datum of caviomorph rodents and primates in South America back into close correspondence, but raises new questions about the timing and means of arrival of these two mammalian groups. ©2015 Macmillan Publishers Limited. All rights reserved. Source

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