Results 91 to 100 of about 89,888 (201)

Sedimentology-based reconstructions of paleoclimate changes in the Central Andes in response to the uplift of the Andes, Arica region between 19 and 21°S latitude, northern Chile [PDF]

, 2018
We focus on the sedimentological record of the Middle Miocene to modern deposits in the Andes of northern Chile between 19 and 21°S. These sediments, deposited at the Western Escarpment of the Central Depression, indicate successively more moisture on ...
Kober, Florian, Schlunegger, Fritz, von Rotz, Ruedi, Zeilinger, Gerold   +3 more
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Resistencia de tres ecotipos de quinua (Chenopodium quinoa, Willdenow) a diferentes niveles de salinidad en la germinación

Revista de Investigación e Innovación Agropecuaria y de Recursos Naturales
En el altiplano de boliviano son escasos los estudios de niveles de salinidad y como afectan a la quinua, el mayor problema de la salinidad se manifiesta en el estado fenológico de la germinación, estudios realizados a nivel de laboratorio indica que al
Edwin Marcelo Gonzales Torrico, Ermindo Barrientos Perez   +1 more
doaj   +1 more source

LANDSAT (ERTS) used as a basis for geological volcanological mapping in the central Andes [PDF]

LANDSAT images of the central Andes (N-Chile, W-Bolivia) were effectively used for volcanological mapping of an area about 160,000 km. The map shown exhibits more and better details than the older small scale geological maps of that area. Even on a scale
Brockman, C. E., Kussmaul, S.
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Provenance of Ordovician and Devonian sandstones from southern Peru and northern Bolivia - U-Pb and Lu-Hf isotope evidence of detrital zircons and its implications for the geodynamic evolution of the Western Gondwana margin (14° - 17° S) [PDF]

, 2009
In an attempt to trace the provenance of sedimentary detritus and to gain information on the crustal evolution of the Early Paleozoic western Gondwana margin (14°-17°S) we applied a combined in situ U-Pb and Lu-Hf LA-ICP-MS isotope analysis on detrital ...
Bahlburg, Heinrich, Berndt, Jasper, Carlotto, Victor, Gerdes, Axel, Kooijman, Ellen, Reimann, Cornelia R.   +5 more
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Estimación de analitos del suelo en la altillanura, con teledetección sentinel-2 y modelos de regresión

Revista de Investigación Agraria y Ambiental
Contextualización: La incorporación de nuevas técnicas y tecnologías para conocer la composición y las características de los suelos usados en la producción agrícola está en auge.
Andrés Felipe Gómez Chávez, Jeimy Katherin Feo Mahecha, Sergio David Parra Gonzalez   +2 more
doaj   +1 more source

Lake levels in the southern Bolivian Altiplano (19°-21°S) during the Late Glacial based on diatom studies [PDF]

, 1996
This study is focused on the endorheic Uyuni-Coipasa Basin located in the southern Bolivian Altiplano. Stratigraphical and fossil diatom studies based on a detailed radiocarbon chronology revealed six phases in water-level changes and paleosalinity ...
Fournier, Marc, Servant Vildary, Simone, Servant, Michel, Sylvestre, Florence   +3 more
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Psychological factors associated with suicidal ideation in high school adolescentes

O Mundo da Saúde
Suicide is a major public health issue that is often overlooked, surrounded by stigma, myths, and taboos. The aim of this article was to identify psychological factors, such as depression, stress, and anxiety, that predict suicidal ideation in high ...
Heber Nehemias Chui Betancur, Vidnay Noel Valero Ancco, Lily Maribel Trigos Sánchez, Yudy Yaneth Tapia Centellas, Katia Perez Argollo, Teofilo Yucra Quispe, Edgar Darío Callohuanca Avalos, Cesar Augusto Achata Cortez   +7 more
doaj   +1 more source

Aclimatación ovina en los altiplanos andinos

Anales de la Facultad de Medicina, 2014
La acción agresiva de las causas físicas y químicas sobre las gonadas masculinas ha recibido una mayor atención en los últimos años. Así en la excelente revista Hueper, a  la que nos referimos para el conocimiento de la bibliografía hasta 1942, se da cuenta de los factores exógenos que pueden actuar sobre el epitelio germinal ocasionando pérdida de la ...
Monge M., Carlos, San Martín, Mauricio
openaire   +3 more sources

Healthy eating practices for optimal nutrition and well-being: a systematic review

O Mundo da Saúde
The lack of knowledge and application of healthy eating practices negatively impacts human nutrition and well-being. Therefore, it is crucial to implement strategies aimed at improving eating habits.
Manuela Daishy Casa-Coila, Henry Mark Vilca-Apaza, Dometila Mamani-Jilaja, Katia Perez-Argollo, Eder Pacori-Zapana, Diana Agueda Vargas-Velásquez, Zara Turpo-Puma   +6 more
doaj   +1 more source

When Fair Trade increases unfairness: The case of quinoa from Bolivia [PDF]

Fair Trade movement tackles the question of global justice. It is experiencing growing success. Fair Trade therefore sorts the beneficiaries, usually by means of certification. Numerous impact studies have assessed the beneficial effects of Fair Trade on
Aurélie Carimentrand, Jérôme Ballet
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