Results 21 to 30 of about 330,943 (251)

Towards a revision of the South American genus Praocis Eschscholtz (Coleoptera, Tenebrionidae), with estimation of the diversity of each subgenus [PDF]

open access: yes, 2014
A review of the subgenera of the South American genus Praocis Eschscholtz (Pimeliinae: Praociini) is presented. Praocis comprises 77 species and 8 subspecies arranged in nine subgenera distributed in arid lands from Central Peru and Bolivia to the ...
Flores, Gustavo Ernesto   +1 more
core   +4 more sources

High-Up: A Remote Reservoir of Microbial Extremophiles in Central Andean Wetlands [PDF]

open access: yes, 2015
The Central Andes region displays unexplored ecosystems of shallow lakes and salt flats at mean altitudes of 3700 m. Being isolated and hostile, these so-called “High-Altitude Andean Lakes” (HAAL) are pristine and have been exposed to little human ...
Albarracín, Virginia Helena   +7 more
core   +3 more sources

Effective elastic thickness in the Central Andes. Correlation to orogenic deformation styles and lower crust high-gravity anomaly [PDF]

open access: yes, 2018
Global studies have assessed the importance of elastic thickness (Te) on orogenic evolution, showing that the style and nature of upper crustal shortening are influenced by the inherited lithospheric strength. Thus, pioneer works have identified that the
Garcia, Hector Pedro Antonio   +6 more
core   +2 more sources

Preliminary conceptual model of the Cerro Blanco caldera-hosted geothermal system (Southern Puna, Argentina): Inferences from geochemical investigations

open access: yesJournal of South American Earth Sciences, 2019
The Cerro Blanco Caldera (CBC) is the youngest collapse caldera system in the Southern Central Andes (Southern Puna, Argentina). The CBC is subsiding with at an average velocity of 0.87 cm/year and hosts an active geothermal system.
A. Chiodi   +11 more
semanticscholar   +1 more source

Ampliación del conocimiento sobre la nidificación de Rhopospina fruticeti (Passeriformes: Thraupidae) en la Puna del centro-oeste de Argentina

open access: yesActa Zoológica Lilloana, 2023
La reproducción es un componente crucial en la ecología de las aves y los estudios sobre biología reproductiva aportan una base fundamental para comprender las historias de vida. Describimos un nido de Rhopospina fruticeti con huevos y presentamos datos
Franco Valdez   +4 more
doaj   +1 more source

cSi Photovoltaic Modules, Main Degradation Factors Case Study: La Puna (Argentina) [PDF]

open access: yes, 2016
This paper presents an analysis of the power loss of a set of photovoltaic modules exposed for more than fifteen years to solar radiation and other environmental factors. The study covered modules installed in 1989 and concluded with modules installed in
Cadena, Carlos Alberto   +2 more
core   +1 more source

First Middle Ordovician conodont record related to key graptolites from the western Puna, Argentina: perspectives for an integrated biostratigraphy and correlation of the Central Andean Basin

open access: yes, 2020
Recent biostratigraphic studies on the western argentine Puna recorded the Middle Ordovician conodont Baltoniodus cf. B. navis (Lindstrom) for first time, related to key graptolite taxa of the Central Andean Basin.
B. A. Toro   +3 more
semanticscholar   +1 more source

Parapharyngodon sanjuanensis (Nematoda, Pharyngodonidae) in the lizard Phymaturus extrilidus (Iguania, Liolaemidae) from Puna region, Argentine

open access: yesArxius de Miscel-lània Zoològica, 2020
Parapharyngodon sanjuanensis (Nematoda, Pharyngodonidae) en el llangardaix Phymaturus extrilidus (Iguania, Liolaemidae) a la regió de la Puna, Argentina Els estudis sobre nematodes en llangardaixos de l’Argentina són escassos.
G. Ramallo, G. N. Castillo, J. C. Acosta
doaj   +1 more source

Mitochondrial phylogeography and demographic history of the Vicuña: implications for conservation [PDF]

open access: yes, 2007
The vicuña (Vicugna vicugna; Miller, 1924) is a conservation success story, having recovered from near extinction in the 1960s to current population levels estimated at 275 000.
A Prieto   +60 more
core   +1 more source

When maize is not the first choice: advances in paleodietary studies in the Archaeological Site Río Doncellas (Jujuy, Argentina) [PDF]

open access: yes, 2016
In this work we present new values of stable isotopes of carbon (δ13Cco and δ13Cap) and nitrogen (δ15N) measured in a sample of 13 human individuals found in the Río Doncellas Archaeological Site (Late Period or Regional Developments, ca. 1000 AD-1450 AD)
Killian Galván, Violeta Anahí   +2 more
core   +2 more sources

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