Results 61 to 70 of about 10,314 (189)

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

Multiwavelength Light Curve Parameters of Cepheid Variables [PDF]

open access: yes, 2017
We present a comparative analysis of theoretical and observed light curves of Cepheid variables using Fourier decomposition. The theoretical light curves at multiple wavelengths are generated using stellar pulsation models for chemical compositions ...
Bhardwaj, Anupam   +5 more
core   +1 more source

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

Status of the TMT site evaluation process [PDF]

open access: yes, 2007
The Thirty Meter Telescope (TMT) is currently acquiring site characterization data at ve candidate sites. The site testing equipment includes instruments for measuring the seeing and seeing proles, meteorological conditions, cloudiness, precipitable ...
Els, Sebastian   +4 more
core   +1 more source

Atacama en el tiempo. territorios, identidades, lenguas. (Provincia El Loa, II Región) [PDF]

open access: yes, 2001
Se ofrece una perspectiva histórica sobre el tema de la construcción de identidades étnicas, desde la época prehispánica hasta el presente etnográfico, en los territorios de costa y tierras altas de la Región de Antofagasta y su dinámica con la ...
Castro R., Victoria
core   +2 more sources

Patrimonio cultural y turismo en San Pedro de Atacama, Chile

open access: yesCampos en Ciencias Sociales, 2013
El presente artículo observa las dinámicas sociales y los efectos que produce el turismo en la comunidad de San Pedro de Atacama, Chile. ¿Cómo se construye, se apropia y valora el patrimonio en función del turismo? ¿Cómo se muestra y modifica el paisaje adaptándolo a las dinámicas del circuito turístico? ¿De qué manera los pobladores modifican los usos
openaire   +3 more sources

Endemism Centres of the Five Richest Vascular Epiphyte Families in the Neotropics

open access: yesJournal of Biogeography, Volume 52, Issue 1, Page 80-91, January 2025.
ABSTRACT Aim Endemic species, characterised by limited geographic ranges, face a high risk of extinction. The neotropical region harbours diverse ecosystems and a substantial number of endemic species, thus identifying areas of high endemism is crucial for protecting unique and threatened species and ecosystems.
Maria Judith Carmona‐Higuita   +13 more
wiley   +1 more source

Modificación Intencional del Cráneo en San Pedro de Atacama y la Cuenca del Loa: Un Análisis Cuantitativo de su Rol como Marcador de Identidad Social [PDF]

open access: yes, 2017
Diverse hypotheses have been proposed to explain artificial cranial modification (ACM) in South America. In the Atacama area (Northern Chile), some studies have concluded that it was used to create a communal identity that could serve to resist, or to ...
Bucchi, Ana   +2 more
core   +2 more sources

Is it all Phacelia pinnatifida? Molecular delimitations and taxonomic revision of Phacelia sect. Glandulosae in South America based on ddRADseq

open access: yesTAXON, Volume 73, Issue 6, Page 1437-1459, December 2024.
Abstract Phacelia sect. Glandulosae, with ca. 62 taxa, is the most diverse of the 11 sections of the genus Phacelia (Hydrophyllaceae). The family is largely restricted to North and Central America, but the genus Phacelia has an amphitropical distribution with nine species reported from western South America, five of which have been assigned to P. sect.
Maria‐Anna Vasile   +3 more
wiley   +1 more source

The Geoglyphs of the Atacama Desert: A Bond of Landscape and Mobility [PDF]

open access: yes, 2012
In the northern-most area of Chile, stretching six hundred miles down the coast of South America and expanding more than forty thousand square miles into Bolivia, Peru and Argentina lies the Atacama Desert.
Labash, Marika
core   +2 more sources

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