Results 11 to 20 of about 7,652 (201)

Range Extension of the Popeye Catalufa (Pristigenys serrula, Gilbert 1891) to Central Chile During the "El Niño" Southern Oscillation (ENSO) 2023-2024. [PDF]

open access: yesEcol Evol
Phylogenetic and morphological analyses confirm P. serrula in central Chile (32° S). The geographical distribution of P. serrula in central Chile extends 9° southward. This extension is associated with the “El Niño” Southern Oscillation (ENSO). ABSTRACT We report the presence of Pristigenys serrula Gilbert 1891 off Zapallar (−32.568253, −71.464225 ...
Asorey CM   +3 more
europepmc   +2 more sources

Blowin' in the Wind: Mapping the Dispersion of Metal(loid)s From Atacama Mining. [PDF]

open access: yesGeohealth
Abstract The Atacama Desert’s naturally elevated metal(loid)s pose a unique challenge for assessing the environmental impact of mining, particularly for indigenous communities residing in these areas. This study investigates how copper mining influences the dispersion of these elements in the wind‐transportable fraction (<75 μm) of surface sediments ...
Zanetta-Colombo NC   +9 more
europepmc   +2 more sources

Species Limits and Hybridization in Andean Leaf-Eared Mice (<i>Phyllotis</i>). [PDF]

open access: yesEcol Evol
Diversification of Phyllotis coincided with mid‐ to late‐Pleistocene climate change. Species delimitation revealed cryptic diversity within several nominal forms. Genomic analyses revealed evidence for introgressive hybridization. ABSTRACT Leaf‐eared mice (genus Phyllotis) are among the most widespread and abundant small mammals in the Andean Altiplano,
Quiroga-Carmona M   +13 more
europepmc   +2 more sources

Persistencias y transformaciones en la producción de hilados. Antofagasta de la Sierra (siglos VI-XIX)

open access: yesRelaciones, 2023
Presentamos un estudio comparativo, a lo largo de una trayectoria extensa (siglos VI-XIX), de un conjunto de hilados en fibra animal y vegetal que fueron recuperados a partir de excavaciones arqueológicas en Antofagasta de la Sierra, Puna meridional argentina.
López Campeny, Sara M. L.   +2 more
openaire   +5 more sources

El diseño utilitario

open access: yesEstudios Atacameños, 2023
Frente a las limitaciones de la dicotomía expeditividad/conservación para entender los conjuntos líticos de los contextos del primer milenio en Antofagasta de la Sierra (Catamarca, Argentina), la propuesta del diseño utilitario (Escola 2000) resultó un ...
Natalia Sentinelli   +1 more
doaj   +1 more source

Glacier influence on bird assemblages in habitat islands of the high Bolivian Andes

open access: yesDiversity and Distributions, Volume 28, Issue 2, Page 242-256, February 2022., 2022
Abstract Aim Climate projections for the upcoming decades predict a significant loss of ice mass particularly critical for glaciers in tropical mountains. In the dry landscapes of the southern Andes (from Southern Peru to Chile), this global trend has strong ecological impacts on high‐altitude wetlands that support a unique avifauna for feeding ...
Tatiana Cardenas   +9 more
wiley   +1 more source

Online Superficial Gas Velocity, Holdup, and Froth Depth Sensor for Flotation Cells

open access: yesJournal of Sensors, Volume 2022, Issue 1, 2022., 2022
In flotation process, the efficiency and selectivity depend on mineralogy, particle size distribution and liberation, reagents added, mixing, and particle coverage. However, the kinetics of particle recovery is highly dependent on cell hydrodynamic and circuit configuration and operational strategy.
Claudio Leiva   +5 more
wiley   +1 more source

La Cerámica aguada en las tierras altas (Puna Meridional Argentina, Catamarca)

open access: yesEstudios Atacameños, 2020
En este trabajo se presenta un estudio tecnológico y decorativo de una muestra cerámica identificada con la tipología Aguada proveniente del sitio Casa Chávez Montículos en Antofagasta de la Sierra (Puna Meridional Argentina). Las características de esta
Martín Tomás Casanova   +2 more
doaj   +1 more source

Diagnóstico socio-ambiental para un desarrollo sustentable de la Puna Meridional Argentina, Localidad de Antofagasta de la Sierra, Catamarca [PDF]

open access: yesAntropólogos Iberoamericanos en Red, 2008
Se presenta un diagnóstico socio-ambiental realizado en la comunidad de Antofagasta de la Sierra, Provincia de Catamarca, Argentina, siendo tomados en consideración las unidades sociales de producción, los rebaños, las pasturas disponibles y los patrones
Liliana M. Manzi
doaj   +1 more source

Outlining practices of pottery production and consumption in Antofagasta de la Sierra: The ceramics of Peñas Coloradas 3, ca. 1000-1600 AD (Catamarca, Argentina) [PDF]

open access: yes, 2016
Peñas Coloradas 3 (Antofagasta de la Sierra, Catamarca, Argentina) es un sitio emplazado en una localidad arqueológica vinculada en el pasado prehispánico a rutas de interacción que conectaron el área valliserrana del Noroeste argentino con la III Región
Puente, Veronica
core   +2 more sources

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