Results 41 to 50 of about 90,059 (202)
La Mitigación de heladas en los camellones del altiplano andino
Bulletin de l'Institut Français d'Études Andines, 2003 The raised fields system is an old technique of soil and water management, which was very frequent in the Lake Titicaca region before the Spanish conquest. It essentially consists of a series of earth platforms surrounded by water canals. Crops are grown
Jean-Paul Lhomme, Jean-Joinville Vacher
doaj +1 more source
A Measurement of the Angular Power Spectrum of the CMB from l = 100 to 400 [PDF]
, 1999 We report on a measurement of the angular spectrum of the CMB between $l\approx 100$ and $l\approx 400$ made at 144 GHz from Cerro Toco in the Chilean altiplano.
A. D. Miller +11 more
core +2 more sources
Meteoritics &Planetary Science, EarlyView.Abstract The Atacama Desert in Chile is characterized by its high meteorite density and old meteorite terrestrial ages. In this work, we present new terrestrial ages derived from measurements of the concentration of cosmogenic 36Cl in the metal fraction of 51 ordinary chondrites collected over a 6.8 km2 area located in the Catalina Dense Collection ...
Carine Sadaka +13 more
wiley +1 more source
Plant Breeding, EarlyView.ABSTRACT Quinoa is a grain crop with excellent nutritional properties that has attracted global attention for its potential contribution to future food security in a changing climate. Despite its long history of cultivation, quinoa has been improved little by modern breeding and is a niche crop outside its native cultivation area.
Flavio Lozano‐Isla +3 more
wiley +1 more source
The making of pure quartzose sand in continental interiors: Paraná River (Brazil and Argentina)
Sedimentology, EarlyView.ABSTRACT As part of a comprehensive project on sedimentary processes in South America, this study focuses on sediment generation in the intracratonic Paraná Basin and monitors the evolution of sand composition along the Paraná River from central Brazil to the Río de la Plata estuary in Argentina.
Eduardo Garzanti +5 more
wiley +1 more source
The Journal of Physiology, EarlyView.Abstract figure legend In lowland mammals that ascend to high elevation, hypoxia‐induced changes in the pulmonary circulation can give rise to hypoxic pulmonary hypertension (HPH) and associated right‐ventricle (RV) hypertrophy. Andean mice with broad elevational ranges have greater heart mass relative to body size at higher elevations, but they ...
Naim M. Bautista +9 more
wiley +1 more source
ARQ, 2009 El emplazamiento de esta vivienda -una alta cornisa por sobre el valle andino de La Paz- entrega, además de amplias y despejadas vistas de la ciudad, una oportunidad para plantear un volumen único y extrovertido, que se enfrenta a la quebrada y a la ...
Carlos Villagómez
doaj
Analysis of the effect of glossary usage in fifth grade social studies [PDF]
, 1955 Thesis (Ed.M.)-- Boston ...
Alden, Willard Benjamin
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Bolivia Or Bust: Cila Memories
, 2001 The first tentative talks about the possibility of a teaching mission to Bolivia began in June of 1998 at the annual conference of the Association of Christian Librarians.
Tucker, Dennis C.
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Ecology and Evolution, Volume 16, Issue 3, March 2026.We show that the Andean gull predates on both the Titicaca Grebe and the Titicaca Giant Frog. Both these species are critically endangered, and it was unknown that they had natural predators before this. ABSTRACT We record two new predation events and one new kleptoparasitic Andean Gull (Chroicocephalus serranus) behavior, interactions that directly ...
Jhazel Quispe +4 more
wiley +1 more source