Results 111 to 120 of about 72,462 (294)

«Norte contra Sur». Análisis comparativo sobre ofrendas rituales andinas [PDF]

open access: yes
A través del análisis comparativo, este trabajo aspira a delimitar las diferencias y similitudes entre los sistemas rituales de los Andes Centrales y del Sur, prestando especial atención al papel de los especialistas y la tipología de las ofrendas.
Fernández Juárez, Gerardo
core   +1 more source

Inventory of fossil cryogenic forms and structures in Patagonia and the mountains of Argentina beyond the Andes [PDF]

open access: yes, 2002
This article summarizes the most important observations of fossil cryogenic forms and structures in Patagonia and the mountains of Argentina beyond the Andes.
Trombotto, Dario Tomas
core  

Is Technological Heterogeneity the Key to Sustainable Coffee Production Efficiency?: A Latent Class Frontier Analysis in the Traditional Coffee Region of Colombia

open access: yesJournal of Agricultural Economics, EarlyView.
ABSTRACT Coffee producers deal with uncertainty due to high volatility in coffee prices. To navigate these challenges, producers must balance the tradeoff between higher yield and better quality utilising heterogeneous technologies, such as intensive production methods and environmental management practices.
Orlando Rodríguez   +2 more
wiley   +1 more source

III LA PERIODISATION ET L'EVOLUTION DE L'ETAT DANS LES ANDES [PDF]

open access: yes, 2009
Partiendo del principio que la evolución histórica de la sociedad está determinada por las interacciones sociales y la continua readaptación de la dinámica política, es necesario redefinir los diferentes periodos de la evolución andina.
Llanos Jacinto, Oscar Daniel
core   +1 more source

Body Size Regulates Niche Overlap Asymmetry in the Subtropical Andes Rain Shadow: Isotopic Paleoecology of Oligocene South American Ungulates

open access: yesIntegrative Zoology, EarlyView.
This study provides the first isotopic analysis of Oligocene mammals from Quebrada Fiera, Mendoza, Argentina, filling a major gap in South American paleontology. It reveals a latitudinal gradient in aridity due to the Andean rain shadow and highlights the role of (semi)permanent water bodies in sustaining diverse herbivore communities. Additionally, it
Dánae Sanz‐Pérez   +4 more
wiley   +1 more source

Propuesta de un protocolo de evaluación de la calidad ecológica de ríos andinos (CERA) y su aplicación a dos cuencas en Ecuador y Perú [PDF]

open access: yes, 2009
A Rapid Protocol is presented for Evaluation of the Ecological Status of Andean Rivers (CERA) localized over 2000 m.a.s.l. from the Northern Andes (Venezuela) through the Altiplano in the Central Andes (Bolivia).
Acosta, Raúl   +3 more
core   +1 more source

Balancing bossism: State expansion in the face of elite capture

open access: yesAmerican Journal of Political Science, EarlyView.
Abstract Central states have often relied on local elites to implement policies in peripheral areas. These strategies may allow otherwise weak states to impose their directives, but they can also be inefficient, particularly when a single elite commands total control over local politics (monopolist capture).
Anna F. Callis, Christopher L. Carter
wiley   +1 more source

Glaciers et évolution climatique dans les Andes boliviennes : glacier de Zongo et glacier de Chacaltaya, Cordillère Royale, 16°S [PDF]

open access: yes, 1995
Par sa sensibilité et son délai de réponse bref, le glacier est d'un grand intérêt pour analyser l'évolution et la variabilité actuelles du climat entre les tropiques. Les méthodes de détermination des bilans de masse et des bilans hydrologiques, avec un
Francou, B., Ribstein, Pierre
core  

The International Guideline for the Definition, Classification, Diagnosis and Management of Urticaria

open access: yesAllergy, EarlyView.
ABSTRACT This update and revision of the international guideline for urticaria was developed in accordance with the methods recommended by Cochrane and the Grading of Recommendations Assessment, Development and Evaluation (GRADE) working group. It is an initiative of the Global Allergy and Asthma Excellence Network (GA2LEN) and its Urticaria and ...
T. Zuberbier   +221 more
wiley   +1 more source

Un Formativo sin cerámica y cerámica preformativa

open access: yesEstudios Atacameños
Se discute el concepto de Formativo, categoría que ha sido central en la definición de los procesos que se desarrollaron en América, pero que, en el estado actual de la cuestión, muestra su incapacidad para dar cuenta de la historia de los Andes entre el
Luis G Lumbreras
doaj   +1 more source

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