Results 51 to 60 of about 1,486 (175)

Stage de master Histoire et Relations Internationales au Chili

open access: yes, 2015
Romain Pennamen, étudiant en Master de l'Université Rennes 2 effectue un stage de six mois à San Pedro de Atacama dans la cade du LIA Mines ...
LIA Mines Atacama
core   +1 more source

The Slow‐Rotating Nucleus of Comet C/2013 R1 (Lovejoy)

open access: yesAstronomische Nachrichten, Volume 346, Issue 5, June 2025.
ABSTRACT The close approach of comet C/2013 R1 (Lovejoy) allowed us to conduct an in‐depth study of the morphology of the inner coma. From the measurement of the dust emission structures expanding near the cometary nucleus in November–December 2013, we derived a slow rotation period of 47.8±1.2$$ 47.8\pm 1.2 $$ h.
Federico Manzini   +12 more
wiley   +1 more source

Style and quality of life in San Pedro de Atacama: The subadult skeletons evidence

open access: yes, 2008
A região do Deserto de Atacama, norte do Chile, possui condições propícias para a conservação arqueológica. Uma grande quantidade de esqueletos ali bem preservados vem permitindo um intercâmbio rico entre estudos bioantropológicos e arqueológicos. Dentro
Gloria, Pedro José Tótora da
core   +1 more source

Recent Long‐Distance‐Dispersal Explains the Range Disjunction of the Old‐Word Cockleburs (Xanthium strumarium)

open access: yesJournal of Biogeography, Volume 52, Issue 5, May 2025.
ABSTRACT Aim In the present study, we focused in addressing questions concerning the biogeographic history of Xanthium strumarium, an Old World native species whose close relatives are generally all native to the American continent. Location The species distribution covers the Eurasian continent and some African regions and close islands.
Eleonora Manzo, Salvatore Tomasello
wiley   +1 more source

Ultraconserved element (UCE) phylogenomics illuminates the evolutionary history and biogeography of Dorymyrmex pyramid ants

open access: yesSystematic Entomology, Volume 50, Issue 2, Page 325-348, April 2025.
A newly expanded UCE phylogeny of Dorymyrmex robustly confirms the major lineages and recommends a new scheme of four major species groups. The asymmetrical, amphitropical distribution of Dorymyrmex was likely created by a single dispersal event across the Isthmus of Panama before the traditional closure date of 3 Mya.
Jill T. Oberski
wiley   +1 more source

Resolving the early‐diverging clades of Loasaceae subfam. Loasoideae – Segregating the new genus Prosa from the Atacama Desert genus Huidobria

open access: yesTAXON, Volume 74, Issue 1, Page 101-116, February 2025.
Abstract Huidobria, an enigmatic genus in the Loasaceae family, has long puzzled botanists due to its unclear phylogenetic position and morphological distinctiveness within Loasaceae. Focusing on its two species, H. chilensis and H. fruticosa, we employed the Angiosperms353 target probe set alongside a comprehensive morphological evaluation to resolve ...
Rafael Acuña‐Castillo   +3 more
wiley   +1 more source

Multilingüismo en el área de San Pedro de Atacama. Lenguas aborígenes atestiguadas por la fitonimia del área de San Pedro de Atacama

open access: yesEstudios atacameños, 1998
La fitonimia en el área de San Pedro de Atacama proporciona evidencia de que, en el pasado, se hablaron tres lenguas aborígenes: quechua, aymara y kunza. Esta, hoy en día extinguida, fue la lengua de los antiguos atacameños. Los fonemas originales glotalizados bilabial /pæ/, dental /tæ/, palatal /æ/, velar /kæ/ y postvelar /qæ/ fueron sustituidos, en ...
openaire   +3 more sources

Systematic meteorite collection in the Catalina Dense Collection area (Chile): Description and statistics

open access: yesMeteoritics &Planetary Science, Volume 60, Issue 2, Page 308-323, February 2025.
Abstract We present the outcome of search campaigns conducted in the Catalina Dense Collection area (DCA) located in the central depression of the Atacama Desert, Chile. The “Catalina Systematic Collection” (CSC) was assembled through systematic on‐foot searches, resulting in a total of 1599 meteorites, before pairing, collected over a surface of 6.80 ...
Carine Sadaka   +9 more
wiley   +1 more source

Approche comparative de la néolithisation (San Pedro de Atacama)

open access: yes, 2015
- L. Núñez (UCN, San Pedro de Atacama): Características socioculturales y tecnológicas de la transición arcaica de caza-recolección a los primeros asentamientos agro-pastoralistas formativos del desierto de Atacama y el proceso de neolitización y ...
LIA Mines Atacama
core  

Aguas, riego y cultivos: cambios y permanencias en los ayllus de San Pedro de Atacama

open access: yesEstudios Atacameños, 2015
El agua ha sido vital en el desarrollo histórico en los ayllus de San Pedro de Atacama, regados por los ríos San Pedro y Vilama. Los aportes hí­dricos de estos ríos han venido disminuyendo desde la década de 1940 en adelante, lo que ha supuesto cambios ...
Isabel Sepúlveda Rivera   +3 more
doaj   +8 more sources

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