Results 41 to 50 of about 65,459 (272)
Estudios AtacameñosEn este artículo se somete a revisión la problemática cultural y temporal de la prehistoria tardía del desierto de Atacama de acuerdo a un estudio sistemático y comparativo de la alfarería funeraria de las dos cuencas, San Pedro y el Loa, que componen ...
Mauricio Uribe R
doaj +1 more source
Is quinoa‐farming sustainable in marginal environments? Social, economical and environmental aspects
Journal of the Science of Food and Agriculture, EarlyView.Abstract Quinoa (Chenopodium quinoa Willd.) is an Andean grain crop introduced as a novel crop to many parts of the world in recent years. Recognized for nutritious seeds and high abiotic stress tolerance, it has been promoted as an element of climate‐resilient agriculture, particularly in marginal environments.
Anna Tabea Mengen +5 more
wiley +1 more source
Remoción de partículas adsorbentes de iones cobre por flotación Jet
Revista de Metalurgia, 2009 Los resultados que se presentan en este artículo corresponden a los estudios realizados para la remoción de iones cobre desde efluentes sintéticos, utilizando la técnica de flotación por partículas adsorbentes (FPA) en una celda de flotación Jet (tipo ...
M. Santander +4 more
doaj +1 more source
Prehistoric psychotropic consumption in Andean Chilean mummies [PDF]
, 2007 Hallucinogenic plants are often regarded as the main source of psychoactive drugs in antiquity to reach deep altered states of consciousness^1,2^. Many researchers believe this was particularly true during the Tiwanaku empire expansion, circa (500-1000 A.
Bernardo T. Arriaza +2 more
core +1 more source
Two new species of Epeolini from northern Chile, with the first record of Triepeolus for the country and a key to Chilean species of Doeringiella (Hymenoptera: Apidae) [PDF]
, 2016 Triepeolus cecilyae Packer, new species, and Doeringiella mamabee Packer, new species, both from the far north of Chile are described and illustrated.
Packer, Laurence
core +3 more sources
Oikos, EarlyView.Droughts, increasingly frequent under human‐driven climate change, are expected to intensify globally. Both pulsed and prolonged droughts can strongly affect organismal survival and population dynamics, potentially altering terrestrial communities and ecosystems.
Mattheau S. Comerford +14 more
wiley +1 more source
Prácticas y discursos pedagógicos en Toconao: Cultura, patrimonio e interculturalidad
Estudios AtacameñosSe analizan los procesos de implementación del Programa de Educación Intercultural Bilingüe (PEIB) orientado al pueblo licanantay, específicamente en la escuela de Toconao (comuna de San Pedro de Atacama).
Ramiro Catalán
doaj +1 more source
The Desert of Atacama (Bolivia) [PDF]
Journal of the Royal Geographical Society of London, 1877 n ...
openaire +1 more source
PLANTS, PEOPLE, PLANET, EarlyView.In response to Chile's public policy to establish a national biodiversity inventory and monitoring system, we launched the HerbarioDigital.cl portal. We have digitised over 120,000 specimens representing more than 3,900 species from two Chilean herbaria, integrating them through a curated local taxonomic index.
Ricardo A. Segovia +5 more
wiley +1 more source
Frequency and voltage partitioning in presence of renewable energy resources for power system (example: North Chile power network) [PDF]
, 2016 This paper investigates techniques for frequency and voltage partitioning of power network based on the graph-theory. These methods divide the power system into distinguished regions to avoid the spread of disturbances and to minimize the interaction ...
Al-Emadi, N. A. +3 more
core +1 more source